{"id":80140,"date":"2024-10-21T17:42:04","date_gmt":"2024-10-21T10:42:04","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=80140"},"modified":"2024-10-21T17:42:04","modified_gmt":"2024-10-21T10:42:04","slug":"cau-hoi-phong-van-system-admin","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/","title":{"rendered":"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin quan tr\u1ecdng"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#So_luoc_ve_vi_tri_System_Admin\" >S\u01a1 l\u01b0\u1ee3c v\u1ec1 v\u1ecb tr\u00ed System Admin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_kien_thuc_co_ban\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin\u00a0v\u1ec1 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_ky_nang\" >C\u00e1c\u00a0c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 k\u1ef9 n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cau_hoi_phong_van_ve_quan_tri_mang\" >C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n v\u1ec1 qu\u1ea3n tr\u1ecb m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_bao_mat_he_thong\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_xu_ly_su_co\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 x\u1eed l\u00fd s\u1ef1 c\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_quan_tri_he_thong_va_phan_mem\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_he_thong_dam_may\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Cac_cau_hoi_phong_van_System_Admin_ve_tinh_huong\" >C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 t\u00ecnh hu\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/#Tong_ket_cau_hoi_phong_van_System_Admin\" >T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Ng\u00e0nh IT \u0111ang ng\u00e0y m\u1ed9t kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u0169ng nh\u01b0 t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00ecnh h\u01a1n t\u1ea1i c\u00e1c c\u00f4ng ty, doanh nghi\u1ec7p v\u00e0 k\u00e9o theo \u0111\u00f3 l\u00e0 s\u1ef1 gia t\u0103ng c\u1ee7a c\u00e1c v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m nh\u01b0 System Admin. C\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o, \u0111\u1ec3 c\u00f3 c\u01a1 h\u1ed9i ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p t\u1ea1i c\u00e1c c\u00f4ng ty, c\u00e1c \u1ee9ng vi\u00ean cho v\u1ecb tr\u00ed System Admin c\u0169ng ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u1ecfng v\u1ea5n \u0111\u1ea7y th\u1eed th\u00e1ch. H\u00e3y c\u00f9ng ITviec t\u00ecm hi\u1ec3u qua c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin m\u1edbi nh\u1ea5t 2024 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng \u0111\u1eadu ph\u1ecfng v\u1ea5n.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft sau \u0111\u1ec3 bi\u1ebft th\u00eam v\u1ec1:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u01a1 l\u01b0\u1ee3c v\u1ec1 System Admin<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 k\u1ef9 n\u0103ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 qu\u1ea3n tr\u1ecb m\u1ea1ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 x\u1eed l\u00fd s\u1ef1 c\u1ed1<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 t\u00ecnh hu\u1ed1ng<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So_luoc_ve_vi_tri_System_Admin\"><\/span><b>S\u01a1 l\u01b0\u1ee3c v\u1ec1 v\u1ecb tr\u00ed System Admin<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>\u0110\u1ecbnh ngh\u0129a System Admin<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">System Admin l\u00e0 b\u1ed9 ph\u1eadn ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd v\u00e0 duy tr\u00ec h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, m\u00e1y ch\u1ee7 v\u00e0 m\u1ea1ng cho kh\u00e1ch h\u00e0ng. H\u1ecd c\u1ea7n n\u1eafm r\u00f5 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p. C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a h\u1ecd bao g\u1ed3m c\u00e0i \u0111\u1eb7t, b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng cho t\u1ed5 ch\u1ee9c, c\u0169ng nh\u01b0 duy tr\u00ec v\u00e0 n\u00e2ng c\u1ea5p h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, System Admin (hay g\u1ecdi t\u1eaft l\u00e0 SysAd) c\u00f2n \u0111\u1ea3m b\u1ea3o m\u00f4i tr\u01b0\u1eddng m\u00e1y t\u00ednh \u0111a ng\u01b0\u1eddi d\u00f9ng ho\u1ea1t \u0111\u1ed9ng su\u00f4n s\u1ebb v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c d\u1ecbch v\u1ee5 IT. H\u1ecd c\u00f3 nhi\u1ec7m v\u1ee5 ph\u00e1t hi\u1ec7n, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea1ng, nh\u1eadn di\u1ec7n c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng v\u00e0 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba. Th\u00f4ng qua vi\u1ec7c ki\u1ec3m tra h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh v\u00e0 m\u00e1y ch\u1ee7 internet, System Admin s\u1ebd t\u00ecm c\u00e1ch c\u1ea3i thi\u1ec7n v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<h3><b>Vai tr\u00f2 v\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a System Admin<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">System Admin ch\u1ecbu tr\u00e1ch nhi\u1ec7m duy tr\u00ec s\u1ee9c kh\u1ecfe, hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh trong t\u1ed5 ch\u1ee9c. Nhi\u1ec7m v\u1ee5 c\u1ee7a h\u1ecd bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c ch\u1ec9 s\u1ed1 h\u1ec7 th\u1ed1ng v\u00e0 m\u1ea1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c<\/span><span style=\"font-weight: 400;\">: Qu\u1ea3n l\u00fd sao l\u01b0u v\u00e0 ki\u1ec3m tra quy tr\u00ecnh kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u \u0111\u1ec3 ng\u0103n ng\u1eeba m\u1ea5t m\u00e1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><span style=\"font-weight: 400;\">: Th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u1ea3o m\u1eadt, gi\u00e1m s\u00e1t, v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/span><span style=\"font-weight: 400;\">: Cung c\u1ea5p h\u1ed7 tr\u1ee3 v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m, m\u1ea1ng cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd ng\u01b0\u1eddi d\u00f9ng<\/span><span style=\"font-weight: 400;\">: Qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n, quy\u1ec1n truy c\u1eadp v\u00e0 thi\u1ebft l\u1eadp t\u00e0i kho\u1ea3n cho ng\u01b0\u1eddi d\u00f9ng m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh<\/span><span style=\"font-weight: 400;\">: C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m, ph\u1ea7n c\u1ee9ng v\u00e0 c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Duy tr\u00ec m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng t\u1ec7p<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o m\u1ea1ng v\u00e0 h\u1ec7 th\u1ed1ng t\u1ec7p lu\u00f4n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, b\u1ea3o m\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u00e1n \u0111o\u1ea1n<\/span><span style=\"font-weight: 400;\">: Nhanh ch\u00f3ng x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u h\u00f3a v\u00e0 quy tr\u00ecnh<\/span><span style=\"font-weight: 400;\">: Duy tr\u00ec t\u00e0i li\u1ec7u chi ti\u1ebft v\u1ec1 h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c quy tr\u00ecnh v\u1eadn h\u00e0nh \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">System Admin \u0111\u00f3ng vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n, \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a t\u1ed5 ch\u1ee9c.<\/span><\/p>\n<p><em>\u0110\u1ecdc th\u00eam:\u00a0<\/em><\/p>\n<h3><b>K\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a System Admin<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">K\u1ef9 n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a System Admin:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/span><span style=\"font-weight: 400;\">: Th\u00e0nh th\u1ea1o \u00edt nh\u1ea5t m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ed5 bi\u1ebfn nh\u01b0 Windows, Linux ho\u1eb7c macOS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c v\u1ec1 ph\u1ea7n c\u1ee9ng<\/span><span style=\"font-weight: 400;\">: Hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb m\u00e1y t\u00ednh nh\u01b0 m\u00e1y ch\u1ee7, m\u00e1y in.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh v\u00e0 m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: C\u00f3 kh\u1ea3 n\u0103ng vi\u1ebft m\u00e3, hi\u1ec3u v\u1ec1 m\u1ea1ng m\u00e1y t\u00ednh, c\u00e1c giao th\u1ee9c v\u00e0 c\u00f4ng ngh\u1ec7 m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao ti\u1ebfp v\u00e0 l\u00e0m vi\u1ec7c nh\u00f3m<\/span><span style=\"font-weight: 400;\">: Kh\u1ea3 n\u0103ng truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin k\u1ef9 thu\u1eadt m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/span><span style=\"font-weight: 400;\">: Nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng, t\u00ecm ra gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ef9 n\u0103ng li\u00ean t\u1ee5c h\u1ecdc h\u1ecfi<\/span><span style=\"font-weight: 400;\">: C\u00f4ng ngh\u1ec7 thay \u0111\u1ed5i nhanh ch\u00f3ng, vi\u1ec7c c\u1eadp nh\u1eadt ki\u1ebfn th\u1ee9c m\u1edbi l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c k\u1ef9 n\u0103ng chuy\u00ean s\u00e2u kh\u00e1c:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/span><span style=\"font-weight: 400;\">: Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1ch qu\u1ea3n l\u00fd ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o an to\u00e0n cho h\u1ec7 th\u1ed1ng, ph\u00f2ng ch\u1ed1ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ecbch b\u1ea3n \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: L\u00e0m vi\u1ec7c v\u1edbi c\u00e1c h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 SQL.<\/span><\/li>\n<\/ul>\n<p>\u0110\u1ec3 n\u00e2ng c\u1ea5p v\u00e0 hi\u1ec3u r\u00f5 v\u1ec1 v\u1ecb tr\u00ed System Admin, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o b\u00e0i vi\u1ebft sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/system-admin\/\" target=\"_blank\" rel=\"noopener\">System Admin l\u00e0 g\u00ec? Nhi\u1ec7m v\u1ee5 v\u00e0 c\u00f4ng vi\u1ec7c c\u1ee7a System Admin<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/system-admin-roadmap\/\" target=\"_blank\" rel=\"noopener\">System Admin roadmap: L\u1ed9 tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 tr\u1edf th\u00e0nh SysAdmin<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/khoa-hoc-system-admin\/\" target=\"_blank\" rel=\"noopener\">Top c\u00e1c kh\u00f3a h\u1ecdc System Admin d\u00e0nh cho nhi\u1ec1u c\u1ea5p \u0111\u1ed9 2024<\/a><\/li>\n<\/ul>\n<p>N\u00e0o, b\u00e2y gi\u1edd c\u00f9ng b\u1eaft \u0111\u1ea7u &#8220;\u0111\u00e0o s\u00e2u&#8221; v\u00e0o c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin k\u00e8m c\u00e2u tr\u1ea3 l\u1eddi chi ti\u1ebft!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_kien_thuc_co_ban\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin<\/b><b>\u00a0v\u1ec1 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>H\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows v\u00e0 Linux c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n n\u00e0o?<\/b><b><\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>T\u00ednh n\u0103ng<\/b><\/td>\n<td><b>Linux<\/b><\/td>\n<td><b>Windows<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi ph\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mi\u1ec5n ph\u00ed cho h\u1ea7u h\u1ebft c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u ph\u00ed c\u1ea5p ph\u00e9p; thay \u0111\u1ed5i t\u00f9y theo phi\u00ean b\u1ea3n v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5p ph\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e3 ngu\u1ed3n m\u1edf; kh\u00f4ng c\u1ea7n mua<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1edf h\u1eefu \u0111\u1ed9c quy\u1ec1n; c\u1ea7n mua \u0111\u1ec3 s\u1eed d\u1ee5ng h\u1ee3p ph\u00e1p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tu\u1ef3 ch\u1ec9nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh cao v\u1edbi quy\u1ec1n truy c\u1eadp m\u00e3 ngu\u1ed3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00f9y ch\u1ec9nh h\u1ea1n ch\u1ebf; ch\u1ee7 y\u1ebfu qua c\u00e0i \u0111\u1eb7t v\u00e0 t\u00f9y ch\u1ecdn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ec5 s\u1eed d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 \u0111\u1ed9 kh\u00f3 cao h\u01a1n, thay \u0111\u1ed5i t\u00f9y theo b\u1ea3n ph\u00e2n ph\u1ed1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u1edbi giao di\u1ec7n quen thu\u1ed9c<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u01b0\u01a1ng th\u00edch ph\u1ea7n m\u1ec1m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1nh cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 chuy\u00ean bi\u1ec7t cho Linux; \u0111ang c\u1ea3i thi\u1ec7n cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tuy\u1ec7t v\u1eddi cho ph\u1ea7n m\u1ec1m th\u01b0\u01a1ng m\u1ea1i v\u00e0 ph\u1ed5 bi\u1ebfn<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1nh, v\u1edbi c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt do c\u1ed9ng \u0111\u1ed3ng \u0111\u00f3ng g\u00f3p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt t\u1ed1t, v\u1edbi c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean t\u1eeb Microsoft<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 t\u1eeb c\u1ed9ng \u0111\u1ed3ng; thay \u0111\u1ed5i t\u00f9y theo b\u1ea3n ph\u00e2n ph\u1ed1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c h\u1ee3p \u0111\u1ed3ng doanh nghi\u1ec7p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u01b0u ti\u00ean<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7, developer, ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao, m\u00f4i tr\u01b0\u1eddng gi\u00e1o d\u1ee5c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng, m\u00e1y t\u00ednh c\u00e1 nh\u00e2n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u qu\u1ea3 cao v\u00e0 qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean t\u1ed1t h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a cho hi\u1ec7u su\u1ea5t nh\u01b0ng c\u00f3 th\u1ec3 ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch qu\u00e1 tr\u00ecnh boot c\u1ee7a m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">UEFI (hay Unified Extensible Firmware Interface &#8211; Giao di\u1ec7n Firmware M\u1edf r\u1ed9ng Th\u1ed1ng nh\u1ea5t) th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 BIOS, nh\u01b0ng thay v\u00ec l\u01b0u tr\u1eef d\u1eef li\u1ec7u kh\u1edfi t\u1ea1o v\u00e0 kh\u1edfi \u0111\u1ed9ng tr\u00ean firmware, n\u00f3 l\u01b0u trong t\u1ec7p .efi. T\u1ec7p n\u00e0y \u0111\u01b0\u1ee3c l\u01b0u tr\u00ean m\u1ed9t ph\u00e2n v\u00f9ng \u0111\u1eb7c bi\u1ec7t g\u1ecdi l\u00e0 Ph\u00e2n v\u00f9ng H\u1ec7 th\u1ed1ng EFI (ESP) tr\u00ean \u1ed5 c\u1ee9ng, n\u01a1i c\u0169ng ch\u1ee9a tr\u00ecnh t\u1ea3i kh\u1edfi \u0111\u1ed9ng.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Danh m\u1ee5c\u00a0<\/b><\/td>\n<td><b>BIOS<\/b><\/td>\n<td><b>UEFI<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ng\u00e0y ph\u00e1t h\u00e0nh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1981<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2002<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110i\u1ec1u h\u01b0\u1edbng giao di\u1ec7n c\u01a1 b\u1ea3n b\u1eb1ng b\u00e0n ph\u00edm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n \u0111\u1ed3 h\u1ecda th\u00e2n thi\u1ec7n, h\u1ed7 tr\u1ee3 chu\u1ed9t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">16-bit<\/span><\/td>\n<td><span style=\"font-weight: 400;\">32-bit\/64-bit<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 ph\u00e2n v\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1i \u0111a 4 ph\u00e2n v\u00f9ng v\u1eadt l\u00fd, l\u00ean t\u1edbi 2 TB<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1i \u0111a 128 ph\u00e2n v\u00f9ng v\u1eadt l\u00fd, l\u00ean t\u1edbi 18 exabyte<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n, kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt t\u00edch h\u1ee3p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 kh\u1edfi \u0111\u1ed9ng an to\u00e0n, ng\u0103n ch\u1eb7n h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00e1i ph\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian kh\u1edfi \u0111\u1ed9ng ch\u1eadm h\u01a1n, h\u1ed7 tr\u1ee3 ph\u1ea7n c\u1ee9ng h\u1ea1n ch\u1ebf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1eddi gian kh\u1edfi \u0111\u1ed9ng nhanh h\u01a1n, t\u1ed1i \u01b0u cho ph\u1ea7n c\u1ee9ng hi\u1ec7n \u0111\u1ea1i<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Sau khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c t\u1ea1o ra, n\u00f3 c\u1ea7n ph\u1ea3i s\u1eb5n s\u00e0ng \u0111\u1ec3 ph\u1ea7n c\u1ee9ng s\u1eed d\u1ee5ng. Tuy nhi\u00ean, ph\u1ea7n c\u1ee9ng c\u1ea7n bi\u1ebft v\u1ecb tr\u00ed c\u1ee7a kernel v\u00e0 c\u00e1ch n\u1ea1p kernel v\u00e0o h\u1ec7 th\u1ed1ng. Quy tr\u00ecnh kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch n\u1ea1p kernel \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;boot h\u1ec7 th\u1ed1ng&#8221;. \u0110\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y, c\u1ea7n c\u00f3 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong ROM, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh n\u1ea1p Bootstrap (Bootstrap loader). V\u00ed d\u1ee5 v\u1ec1 m\u1ed9t tr\u00ecnh n\u1ea1p Bootstrap l\u00e0 BIOS (h\u1ec7 th\u1ed1ng nh\u1eadp-xu\u1ea5t kh\u1edfi \u0111\u1ed9ng). BIOS hi\u1ec7n \u0111\u1ea1i c\u1ee7a PC h\u1ed7 tr\u1ee3 kh\u1edfi \u0111\u1ed9ng t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau, v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh th\u1ee9 t\u1ef1 kh\u1edfi \u0111\u1ed9ng n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u1ee9 t\u1ef1 kh\u1edfi \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t nh\u01b0 sau: \u1ed5 \u0111\u0129a CD, \u1ed5 \u0111\u0129a c\u1ee9ng, v\u00e0 m\u1ea1ng. BIOS s\u1ebd th\u1eed kh\u1edfi \u0111\u1ed9ng t\u1eeb \u1ed5 \u0111\u0129a CD \u0111\u1ea7u ti\u00ean, n\u1ebfu th\u1ea5t b\u1ea1i s\u1ebd chuy\u1ec3n sang \u1ed5 \u0111\u0129a c\u1ee9ng, v\u00e0 n\u1ebfu ti\u1ebfp t\u1ee5c th\u1ea5t b\u1ea1i, s\u1ebd th\u1eed kh\u1edfi \u0111\u1ed9ng t\u1eeb m\u1ea1ng. N\u1ebfu c\u1ea3 ba t\u00f9y ch\u1ecdn \u0111\u1ec1u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c. &#8220;Booting&#8221; l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c thao t\u00e1c kh\u1edfi \u0111\u1ed9ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh khi m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c b\u1eadt, v\u00e0 m\u1ed7i m\u00e1y t\u00ednh \u0111\u1ec1u c\u00f3 m\u1ed9t tr\u00ecnh t\u1ef1 kh\u1edfi \u0111\u1ed9ng ri\u00eang.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tr\u00ecnh n\u1ea1p Bootstrap c\u00f3 nhi\u1ec7m v\u1ee5 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed kernel, n\u1ea1p n\u00f3 v\u00e0o b\u1ed9 nh\u1edb ch\u00ednh v\u00e0 b\u1eaft \u0111\u1ea7u th\u1ef1c thi kernel. Trong m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng, m\u1ed9t tr\u00ecnh n\u1ea1p Bootstrap \u0111\u01a1n gi\u1ea3n s\u1ebd n\u1ea1p m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh kh\u1edfi \u0111\u1ed9ng ph\u1ee9c t\u1ea1p h\u01a1n t\u1eeb \u1ed5 \u0111\u0129a, sau \u0111\u00f3 ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m n\u1ea1p kernel \u0111\u1ec3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n<h3><b>B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 DHCP v\u00e0 DNS? S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai d\u1ecbch v\u1ee5 n\u00e0y l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Giao th\u1ee9c C\u1ea5u h\u00ecnh \u0110\u1ed9ng M\u00e1y Ch\u1ee7 (<\/span><i><span style=\"font-weight: 400;\">Dynamic Host Configuration Protocol &#8211; DHCP<\/span><\/i><span style=\"font-weight: 400;\">) l\u00e0 m\u1ed9t giao th\u1ee9c m\u1ea1ng gi\u00fap ch\u00fang ta g\u00e1n \u0111\u1ecba ch\u1ec9 IP v\u00e0 c\u00e1c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn IP cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y ch\u1ee7, m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng trong m\u1ea1ng. Nhi\u1ec1u switch m\u1ea1ng c\u0169ng \u00e1p d\u1ee5ng DHCP \u0111\u1ec3 cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng TCP\/IP h\u1eefu \u00edch, v\u00ed d\u1ee5 nh\u01b0 n\u00f3 gi\u00fap t\u1ef1 \u0111\u1ed9ng n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1ch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng T\u00ean Mi\u1ec1n (<\/span><i><span style=\"font-weight: 400;\">Domain Name System &#8211; DNS<\/span><\/i><span style=\"font-weight: 400;\">) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00ean trang web nh\u01b0 FS.com th\u00e0nh \u0111\u1ecba ch\u1ec9 IP v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, gi\u00fap ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c trang web b\u1eb1ng c\u00e1ch gh\u00e9p n\u1ed1i t\u00ean mi\u1ec1n d\u1ec5 \u0111\u1ecdc v\u1edbi m\u00e3 nh\u1eadn d\u1ea1ng duy nh\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>DHCP<\/b><\/td>\n<td><b>DNS<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng s\u1ed1 67 v\u00e0 68.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng s\u1ed1 53.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng giao th\u1ee9c UDP.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c UDP v\u00e0 TCP.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng t\u1eadp trung.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng phi t\u1eadp trung.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 DHCP c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 t\u1ef1 \u0111\u1ed9ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 DNS chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh IP \u0111\u00e1ng tin c\u1eady.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u1ea7n nh\u1edb \u0111\u1ecba ch\u1ec9 IP.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 theo d\u00f5i log files tr\u00ean Linux?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 theo d\u00f5i nh\u1eadt k\u00fd c\u1ee7a m\u1ed9t d\u1ecbch v\u1ee5 truy\u1ec1n th\u1ed1ng (qu\u00e1 tr\u00ecnh d\u00e0i h\u1ea1n ghi v\u00e0o t\u1ec7p) tr\u00ean Linux, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng l\u1ec7nh sau:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\u201c<\/span><span style=\"font-weight: 400;\"> tail -f \/var\/log\/$YOURLOGFILE<\/span> <span style=\"font-weight: 400;\">\u201c<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">Thay `<\/span><span style=\"font-weight: 400;\">$YOURLOGFILE<\/span><span style=\"font-weight: 400;\">` b\u1eb1ng t\u00ean th\u1eadt c\u1ee7a t\u1ec7p nh\u1eadt k\u00fd. L\u1ec7nh `tail` s\u1ebd b\u1eaft \u0111\u1ea7u t\u1eeb cu\u1ed1i t\u1ec7p v\u00e0 t\u00f9y ch\u1ecdn `-f` s\u1ebd theo d\u00f5i c\u00e1c d\u00f2ng m\u1edbi khi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 systemd, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng `<\/span><span style=\"font-weight: 400;\">journalctl<\/span><span style=\"font-weight: 400;\">` \u0111\u1ec3 xem nh\u1eadt k\u00fd. \u0110\u1ec3 xem t\u1ea5t c\u1ea3 nh\u1eadt k\u00fd t\u1eeb \u0111\u1ea7u, s\u1eed d\u1ee5ng:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\u201c <\/span><span style=\"font-weight: 400;\">journalctl $YOURSERVICE<\/span> <span style=\"font-weight: 400;\">\u201c<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 theo d\u00f5i nh\u1eadt k\u00fd m\u1edbi nh\u1ea5t \u2018tr\u1ef1c ti\u1ebfp\u2019, s\u1eed d\u1ee5ng:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">\u201c <\/span><span style=\"font-weight: 400;\">journalctl -fu $YOURSERVICE<\/span> <span style=\"font-weight: 400;\">\u201c<\/span><\/pre>\n<p><span style=\"font-weight: 400;\">L\u1ec7nh n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u201ctail -f\u201d, b\u1eaft \u0111\u1ea7u t\u1eeb cu\u1ed1i nh\u1eadt k\u00fd v\u00e0 theo d\u00f5i c\u00e1c nh\u1eadt k\u00fd m\u1edbi khi ch\u00fang \u0111\u01b0\u1ee3c ghi v\u00e0o.<\/span><\/p>\n<h3><b>M\u00f4 t\u1ea3 c\u1ea5u tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ec7p NTFS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng T\u1ec7p C\u00f4ng Ngh\u1ec7 M\u1edbi (<\/span><i><span style=\"font-weight: 400;\">New Technology File System &#8211; NTFS<\/span><\/i><span style=\"font-weight: 400;\">), \u0111\u01b0\u1ee3c h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows NT s\u1eed d\u1ee5ng, l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t t\u1ec7p t\u1eeb \u1ed5 \u0111\u0129a c\u1ee9ng. \u0110\u01b0\u1ee3c th\u00eam v\u00e0o c\u00e1c phi\u00ean b\u1ea3n Windows t\u1eeb n\u0103m 1993, NTFS cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u0111a lu\u1ed3ng, kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u, b\u1ea3o m\u1eadt, v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ec7p nh\u1eadt k\u00fd \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">NTFS bao g\u1ed3m nhi\u1ec1u t\u1ec7p h\u1ec7 th\u1ed1ng, t\u1ea5t c\u1ea3 \u0111\u1ec1u b\u1ecb \u1ea9n kh\u1ecfi t\u1ea7m nh\u00ecn tr\u00ean ph\u00e2n v\u00f9ng NTFS. M\u1ed9t t\u1ec7p h\u1ec7 th\u1ed1ng l\u00e0 t\u1ec7p \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng t\u1ec7p s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef si\u00eau d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n h\u1ec7 th\u1ed1ng t\u1ec7p. C\u00e1c t\u1ec7p h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean ph\u00e2n v\u00f9ng b\u1edfi c\u00f4ng c\u1ee5 Format.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Si\u00eau d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong B\u1ea3ng T\u1ec7p Ch\u00ednh (Master File Table &#8211; MFT)<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>T\u1ec7p h\u1ec7 th\u1ed1ng<\/b><\/td>\n<td><b>T\u00ean t\u1ec7p<\/b><\/td>\n<td><b>B\u1ea3n ghi MFT<\/b><\/td>\n<td><b>M\u1ee5c \u0111\u00edch c\u1ee7a t\u1ec7p<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3ng t\u1ec7p ch\u00ednh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Mft<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a m\u1ed9t b\u1ea3n ghi c\u01a1 s\u1edf cho m\u1ed7i t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c tr\u00ean ph\u00e2n v\u00f9ng NTFS. N\u1ebfu th\u00f4ng tin ph\u00e2n b\u1ed5 cho m\u1ed9t t\u1ec7p ho\u1eb7c th\u01b0 m\u1ee5c qu\u00e1 l\u1edbn \u0111\u1ec3 ch\u1ee9a trong m\u1ed9t b\u1ea3n ghi, c\u00e1c b\u1ea3n ghi t\u1ec7p kh\u00e1c c\u0169ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3ng t\u1ec7p ch\u00ednh 2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$MftMirr<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh sao ch\u00e9p c\u1ee7a b\u1ed1n b\u1ea3n ghi \u0111\u1ea7u ti\u00ean c\u1ee7a MFT. T\u1ec7p n\u00e0y \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp v\u00e0o MFT trong tr\u01b0\u1eddng h\u1ee3p l\u1ed7i m\u1ed9t sector.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p nh\u1eadt k\u00fd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$LogFile<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a danh s\u00e1ch c\u00e1c b\u01b0\u1edbc giao d\u1ecbch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00f4i ph\u1ee5c NTFS. K\u00edch th\u01b0\u1edbc t\u1ec7p nh\u1eadt k\u00fd ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00e2n v\u00f9ng v\u00e0 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 4 MB. N\u00f3 \u0111\u01b0\u1ee3c Windows NT\/2000 s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u00f4i ph\u1ee5c t\u00ednh nh\u1ea5t qu\u00e1n cho NTFS sau l\u1ed7i h\u1ec7 th\u1ed1ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Volume<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Volume<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a th\u00f4ng tin v\u1ec1 ph\u00e2n v\u00f9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e3n ph\u00e2n v\u00f9ng v\u00e0 phi\u00ean b\u1ea3n ph\u00e2n v\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a thu\u1ed9c t\u00ednh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$AttrDef<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1ea3ng c\u00e1c t\u00ean thu\u1ed9c t\u00ednh, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 m\u00f4 t\u1ea3.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ec9 m\u1ee5c t\u00ean t\u1ec7p g\u1ed1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u01b0 m\u1ee5c g\u1ed1c.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Bitmap c\u1ee5m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Bitmap<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ea1i di\u1ec7n ph\u00e2n v\u00f9ng cho th\u1ea5y c\u00e1c c\u1ee5m n\u00e0o \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sector kh\u1edfi \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Boot<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bao g\u1ed3m BPB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eafn ph\u00e2n v\u00f9ng v\u00e0 m\u00e3 tr\u00ecnh n\u1ea1p kh\u1edfi \u0111\u1ed9ng b\u1ed5 sung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1ebfu ph\u00e2n v\u00f9ng c\u00f3 kh\u1ea3 n\u0103ng kh\u1edfi \u0111\u1ed9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p c\u1ee5m h\u1ecfng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$BadClus<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a c\u00e1c c\u1ee5m h\u1ecfng c\u1ee7a ph\u00e2n v\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p b\u1ea3o m\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Secure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a c\u00e1c m\u00f4 t\u1ea3 b\u1ea3o m\u1eadt duy nh\u1ea5t cho t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p trong ph\u00e2n v\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u1ea3ng ch\u1eef hoa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Upcase<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Chuy\u1ec3n \u0111\u1ed5i c\u00e1c k\u00fd t\u1ef1 ch\u1eef th\u01b0\u1eddng th\u00e0nh k\u00fd t\u1ef1 ch\u1eef hoa Unicode t\u01b0\u01a1ng \u1ee9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p m\u1edf r\u1ed9ng NTFS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Extend<\/span><\/td>\n<td><span style=\"font-weight: 400;\">11<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1edf r\u1ed9ng t\u00f9y ch\u1ecdn nh\u01b0 h\u1ea1n ng\u1ea1ch, d\u1eef li\u1ec7u \u0111i\u1ec3m ph\u00e2n t\u00edch l\u1ea1i, v\u00e0 nh\u1eadn d\u1ea1ng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><span style=\"font-weight: 400;\">12-15<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e0nh cho s\u1eed d\u1ee5ng trong t\u01b0\u01a1ng lai.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p qu\u1ea3n l\u00fd h\u1ea1n ng\u1ea1ch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Quota<\/span><\/td>\n<td><span style=\"font-weight: 400;\">24<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a c\u00e1c h\u1ea1n ng\u1ea1ch do ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 \u0111\u1ecbnh tr\u00ean kh\u00f4ng gian ph\u00e2n v\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p ID \u0111\u1ed1i t\u01b0\u1ee3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$ObjId<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a ID \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ec7p.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1ec7p \u0111i\u1ec3m ph\u00e2n t\u00edch l\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">$Reparse<\/span><\/td>\n<td><span style=\"font-weight: 400;\">26<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c tr\u00ean ph\u00e2n v\u00f9ng bao g\u1ed3m d\u1eef li\u1ec7u \u0111i\u1ec3m ph\u00e2n t\u00edch l\u1ea1i.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_ky_nang\"><\/span><b>C\u00e1c\u00a0c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 k\u1ef9 n\u0103ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>B\u1ea1n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0o \u0111\u1ec3 theo d\u00f5i v\u00e0 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng gi\u00fap gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh IT. Qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng, h\u1ec7 th\u1ed1ng, m\u1ea1ng v\u00e0 m\u00e1y \u1ea3o t\u1eeb m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m, gi\u00e1m s\u00e1t s\u1ef1 c\u1ed1, ph\u00e2n t\u00edch \u0111\u1ec3 c\u1ea3i ti\u1ebfn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u1ee3i \u00edch bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u0103ng n\u0103ng su\u1ea5t<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 th\u1eddi gian<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e2ng cao tr\u1ea3i nghi\u1ec7m kh\u00e1ch h\u00e0ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1ea3m l\u1ed7i v\u00e0 s\u1ef1 c\u1ed1<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea3i thi\u1ec7n giao ti\u1ebfp n\u1ed9i b\u1ed9<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u0103ng c\u01b0\u1eddng an ninh m\u1ea1ng<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c ph\u1ea7n m\u1ec1m v\u00e0 c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng n\u1ed5i b\u1eadt c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">ManageEngine Endpoint Central<\/span><span style=\"font-weight: 400;\">: Gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd \u0111\u1ea7u cu\u1ed1i to\u00e0n di\u1ec7n, t\u1ef1 \u0111\u1ed9ng tri\u1ec3n khai b\u1ea3n v\u00e1, ph\u00e2n ph\u1ed1i ph\u1ea7n m\u1ec1m v\u00e0 t\u1ea1o \u1ea3nh h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Site24x7<\/span><span style=\"font-weight: 400;\">: Gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t to\u00e0n di\u1ec7n cho website, m\u00e1y ch\u1ee7, \u0111\u00e1m m\u00e2y, m\u1ea1ng, \u1ee9ng d\u1ee5ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u1ef1c, cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 to\u00e0n c\u1ea7u v\u00e0 th\u00f4ng tin hi\u1ec7u su\u1ea5t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nagios XI<\/span><span style=\"font-weight: 400;\">: Ph\u1ea7n m\u1ec1m gi\u00e1m s\u00e1t m\u00e1y ch\u1ee7 v\u00e0 m\u1ea1ng doanh nghi\u1ec7p m\u1ea1nh m\u1ebd, v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u00f9y ch\u1ec9nh v\u00e0 b\u00e1o c\u00e1o chi ti\u1ebft.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">NinjaOne<\/span><span style=\"font-weight: 400;\">: N\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd IT h\u1ee3p nh\u1ea5t, \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb, h\u1ed7 tr\u1ee3 gi\u00e1m s\u00e1t t\u1eeb xa, qu\u1ea3n l\u00fd v\u00e0 t\u1ef1 \u0111\u1ed9ng v\u00e1 l\u1ed7i.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Op5 Monitor<\/span><span style=\"font-weight: 400;\">: H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng doanh nghi\u1ec7p, cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 s\u1ef1 c\u1ed1 tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">SolarWinds Server &amp; Application Monitor<\/span><span style=\"font-weight: 400;\">: Gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u00e1y ch\u1ee7 v\u00e0 \u1ee9ng d\u1ee5ng, cung c\u1ea5p kh\u1ea3 n\u0103ng theo d\u00f5i hi\u1ec7u su\u1ea5t chuy\u00ean s\u00e2u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Zabbix<\/span><span style=\"font-weight: 400;\">: C\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t m\u00e3 ngu\u1ed3n m\u1edf cho m\u1ea1ng, m\u00e1y ch\u1ee7, m\u00e1y \u1ea3o v\u00e0 d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y, v\u1edbi t\u00ednh n\u0103ng b\u00e1o c\u00e1o v\u00e0 hi\u1ec3n th\u1ecb m\u1ea1nh m\u1ebd.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Paessler PRTG<\/span><span style=\"font-weight: 400;\">: C\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t m\u1ea1ng theo d\u00f5i hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n c\u1ee9ng, cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u00e0 th\u00f4ng b\u00e1o t\u00f9y ch\u1ec9nh.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">FirstWave<\/span><span style=\"font-weight: 400;\">: Gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt \u0111\u00e1m m\u00e2y t\u1eadp trung v\u00e0o b\u1ea3o m\u1eadt email v\u00e0 web, cung c\u1ea5p c\u00e1c l\u1edbp ph\u00f2ng th\u1ee7 b\u1ea3o m\u1eadt nhi\u1ec1u t\u1ea7ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">SuperOps RMM<\/span><span style=\"font-weight: 400;\">: C\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd v\u00e0 gi\u00e1m s\u00e1t t\u1eeb xa tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y, t\u00edch h\u1ee3p qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n, b\u1ea3n v\u00e1 v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a, thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 IT.<\/span><\/li>\n<\/ul>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho d\u1eef li\u1ec7u c\u1ee7a c\u00f4ng ty?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho d\u1eef li\u1ec7u c\u1ee7a c\u00f4ng ty, ta c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra an ninh m\u1ea1ng th\u01b0\u1eddng xuy\u00ean<\/span><span style=\"font-weight: 400;\">: Doanh nghi\u1ec7p n\u00ean ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c ki\u1ec3m tra an ninh m\u1ea1ng \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7 h\u1ed5ng v\u00e0 \u0111\u00e1nh gi\u00e1 \u0111i\u1ec3m m\u1ea1nh, \u0111i\u1ec3m y\u1ebfu trong quy tr\u00ecnh qu\u1ea3n l\u00fd d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e2y d\u1ef1ng quy tr\u00ecnh x\u1eed l\u00fd khi c\u00f3 s\u1ef1 c\u1ed1<\/span><span style=\"font-weight: 400;\">: Thi\u1ebft l\u1eadp quy tr\u00ecnh an ninh m\u1ea1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd khi c\u00f3 vi ph\u1ea1m, bao g\u1ed3m vi\u1ec7c th\u00f4ng b\u00e1o ngay cho kh\u00e1ch h\u00e0ng, \u0111\u1ed1i t\u00e1c, c\u00e1c c\u01a1 quan ch\u1ee9c n\u0103ng v\u00e0 ng\u00e2n h\u00e0ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u d\u1eef li\u1ec7u h\u00e0ng ng\u00e0y<\/span><span style=\"font-weight: 400;\">: Doanh nghi\u1ec7p n\u00ean sao l\u01b0u d\u1eef li\u1ec7u h\u00e0ng ng\u00e0y, kh\u00f4ng ch\u1ec9 tr\u00ean \u0111\u00e1m m\u00e2y m\u00e0 c\u00f2n tr\u00ean \u1ed5 c\u1ee9ng. Th\u00f3i quen c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng xuy\u00ean c\u0169ng gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o r\u1eb1ng khi nh\u00e2n vi\u00ean ngh\u1ec9 vi\u1ec7c, h\u1ecd kh\u00f4ng c\u00f2n quy\u1ec1n truy c\u1eadp v\u00e0o th\u00f4ng tin c\u00f4ng ty b\u1eb1ng c\u00e1ch \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u. X\u00e2y d\u1ef1ng ch\u00ednh s\u00e1ch qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp v\u00e0 theo d\u00f5i l\u00fd do truy c\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e3 h\u00f3a li\u00ean l\u1ea1c<\/span><span style=\"font-weight: 400;\">: Li\u00ean l\u1ea1c ch\u1ee9a th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c s\u1ee9c kh\u1ecfe c\u1ea7n \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea3o m\u1eadt n\u1ed9i dung, v\u00e0 c\u00e1c kh\u00f3a m\u00e3 h\u00f3a kh\u00f4ng n\u00ean l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 tr\u00e1nh b\u1ecb x\u00e2m nh\u1eadp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mua b\u1ea3o hi\u1ec3m an ninh m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: B\u1ea3o hi\u1ec3m an ninh m\u1ea1ng gi\u00fap gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t t\u1eeb c\u00e1c s\u1ef1 c\u1ed1 m\u1ea1ng v\u00e0 cho th\u1ea5y doanh nghi\u1ec7p nghi\u00eam t\u00fac trong vi\u1ec7c \u0111\u1ed1i ph\u00f3 v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng virus<\/span><span style=\"font-weight: 400;\">: \u0110\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb Trojans, virus v\u00e0 worms, c\u1ea7n c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda hi\u1ec7u qu\u1ea3 v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus ch\u1ea5t l\u01b0\u1ee3ng cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c trao \u0111\u1ed5i d\u1eef li\u1ec7u an to\u00e0n<\/span><span style=\"font-weight: 400;\">: Tr\u00e1nh d\u00f9ng email \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi kh\u00e1ch h\u00e0ng. Thay v\u00e0o \u0111\u00f3, s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u1edbi \u0111\u1ed1i t\u00e1c kinh doanh.<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch v\u1ec1 quy tr\u00ecnh sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i l\u00e0 c\u00e1c quy tr\u00ecnh nh\u1eb1m b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch t\u1ea1o ra c\u00e1c b\u1ea3n sao (sao l\u01b0u) v\u00e0 kh\u00f4i ph\u1ee5c ch\u00fang khi d\u1eef li\u1ec7u b\u1ecb m\u1ea5t ho\u1eb7c h\u1ec7 th\u1ed1ng g\u1eb7p s\u1ef1 c\u1ed1.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u d\u1eef li\u1ec7u t\u1ea1o ra c\u00e1c b\u1ea3n sao v\u00e0 l\u01b0u tr\u1eef \u1edf m\u1ed9t v\u1ecb tr\u00ed ri\u00eang \u0111\u1ec3 d\u1ef1 ph\u00f2ng khi d\u1eef li\u1ec7u g\u1ed1c b\u1ecb m\u1ea5t ho\u1eb7c x\u00f3a nh\u1ea7m. Trong khi \u0111\u00f3, ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u l\u00e0 quy tr\u00ecnh l\u1ea5y l\u1ea1i d\u1eef li\u1ec7u b\u1ecb m\u1ea5t ho\u1eb7c h\u1ecfng t\u1eeb c\u00e1c b\u1ea3n sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c ch\u00fang v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1 d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ea7n sao l\u01b0u nh\u01b0 th\u00f4ng tin kh\u00e1ch h\u00e0ng v\u00e0 h\u1ed3 s\u01a1 t\u00e0i ch\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p sao l\u01b0u<\/span><span style=\"font-weight: 400;\">: L\u1ef1a ch\u1ecdn gi\u1eefa sao l\u01b0u \u0111\u1ea7y \u0111\u1ee7, gia t\u0103ng, ch\u00eanh l\u1ec7ch, ho\u1eb7c t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean nhu c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn n\u01a1i l\u01b0u tr\u1eef<\/span><span style=\"font-weight: 400;\">: Quy\u1ebft \u0111\u1ecbnh gi\u1eefa \u1ed5 c\u1ee9ng ngo\u00e0i, NAS, SAN, l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y, ho\u1eb7c k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng \u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp l\u1ecbch sao l\u01b0u<\/span><span style=\"font-weight: 400;\">: \u0110\u1eb7t l\u1ecbch sao l\u01b0u \u0111\u1ecbnh k\u1ef3, khuy\u1ebfn ngh\u1ecb h\u00e0ng ng\u00e0y ho\u1eb7c h\u00e0ng tu\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra sao l\u01b0u<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o b\u1ea3n sao l\u01b0u ho\u1ea1t \u0111\u1ed9ng t\u1ed1t b\u1eb1ng c\u00e1ch ki\u1ec3m tra v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Theo d\u00f5i hi\u1ec7u su\u1ea5t<\/span><span style=\"font-weight: 400;\">: Gi\u00e1m s\u00e1t v\u00e0 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 sao l\u01b0u k\u1ecbp th\u1eddi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eadp k\u1ebf ho\u1ea1ch ph\u1ee5c h\u1ed3i<\/span><span style=\"font-weight: 400;\">: X\u00e2y d\u1ef1ng k\u1ebf ho\u1ea1ch chi ti\u1ebft cho ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u v\u00e0 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n l\u1ef1c c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n ph\u1ee5c h\u1ed3i<\/span><span style=\"font-weight: 400;\">: Kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u t\u1eeb b\u1ea3n sao l\u01b0u khi c\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c minh ph\u1ee5c h\u1ed3i<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra t\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a d\u1eef li\u1ec7u \u0111\u00e3 ph\u1ee5c h\u1ed3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt v\u00e0 duy tr\u00ec<\/span><span style=\"font-weight: 400;\">: C\u1eadp nh\u1eadt quy tr\u00ecnh sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i theo s\u1ef1 thay \u0111\u1ed5i trong d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n quen thu\u1ed9c v\u1edbi ng\u00f4n ng\u1eef scripting n\u00e0o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef script l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cho ph\u00e9p t\u1ea1o l\u1ec7nh m\u00e0 kh\u00f4ng c\u1ea7n bi\u00ean d\u1ecbch, thay v\u00e0o \u0111\u00f3, c\u00e1c l\u1ec7nh \u0111\u01b0\u1ee3c th\u1ef1c thi th\u00f4ng qua tr\u00ecnh th\u00f4ng d\u1ecbch. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng vi\u1ec7c trong t\u1ed5 ch\u1ee9c, v\u1edbi c\u00e1c l\u1ec7nh th\u1ef1c thi tu\u1ea7n t\u1ef1 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi theo quy t\u1eafc c\u1ee7a ng\u00f4n ng\u1eef.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c ng\u00f4n ng\u1eef script ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Javascript<\/span><span style=\"font-weight: 400;\">: JavaScript th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o tr\u00f2 ch\u01a1i, c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh, \u1ee9ng d\u1ee5ng m\u1ea1ng th\u1eddi gian th\u1ef1c, v\u00e0 \u1ee9ng d\u1ee5ng web ho\u1eb7c di \u0111\u1ed9ng. N\u00f3 l\u00e0 c\u00f4ng ngh\u1ec7 ch\u00ednh \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c trang web ti\u00ean ti\u1ebfn. Tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 ch\u1ea1y tr\u00ean tr\u00ecnh duy\u1ec7t, gi\u1edd \u0111\u00e2y JavaScript c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1edf ph\u00eda backend nh\u1edd c\u00e1c framework nh\u01b0 Node. M\u1ed9t s\u1ed1 framework front-end n\u1ed5i ti\u1ebfng c\u1ee7a JavaScript l\u00e0 Angular v\u00e0 React.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ruby<\/span><span style=\"font-weight: 400;\">: Ruby l\u00e0 ng\u00f4n ng\u1eef k\u1ecbch b\u1ea3n h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, hi\u1ec7u qu\u1ea3 trong vi\u1ec7c thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m ti\u00ean ti\u1ebfn. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1993 b\u1edfi Yukihiro Matsumoto, Ruby cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Python, Perl v\u00e0 Smalltalk. Ruby ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng trong ph\u00e1t tri\u1ec3n web ph\u00eda backend qua c\u00e1c framework nh\u01b0 Ruby on Rails, v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c trang web n\u1ed5i ti\u1ebfng nh\u01b0 Airbnb, Shopify, GitHub v\u00e0 Hulu s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PHP<\/span><span style=\"font-weight: 400;\">: PHP l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh m\u00e3 ngu\u1ed3n m\u1edf d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng web. Ban \u0111\u1ea7u, PHP \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 l\u00e0m c\u00e1c trang HTML t\u0129nh tr\u1edf n\u00ean \u0111\u1ed9ng v\u00e0 c\u00f3 t\u00ean g\u1ecdi l\u00e0 \u201cPersonal Home Page.\u201d Hi\u1ec7n t\u1ea1i, PHP l\u00e0 m\u1ed9t b\u1ed9 x\u1eed l\u00fd si\u00eau v\u0103n b\u1ea3n, h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 ki\u1ec3u d\u1eef li\u1ec7u l\u1ecfng l\u1ebbo, v\u00e0 c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u00e0o HTML.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Python<\/span><span style=\"font-weight: 400;\">: Python hi\u1ec7n l\u00e0 ng\u00f4n ng\u1eef script ph\u1ed5 bi\u1ebfn th\u1ee9 hai, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Guido van Rossum v\u00e0 ra m\u1eaft l\u1ea7n \u0111\u1ea7u v\u00e0o n\u0103m 1991. Qu\u1ef9 Ph\u1ea7n m\u1ec1m Python qu\u1ea3n l\u00fd c\u00e1c d\u1ef1 \u00e1n m\u00e3 ngu\u1ed3n m\u1edf c\u1ee7a Python. Python c\u00f3 Th\u01b0 vi\u1ec7n Chu\u1ea9n l\u1edbn, h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh c\u1ea5u tr\u00fac, h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 h\u00e0m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">VBA<\/span><span style=\"font-weight: 400;\">: VBA (Visual Basic for Applications) l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean Visual Basic 6, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c thao t\u00e1c trong Microsoft Office, th\u00eam ch\u1ee9c n\u0103ng m\u1edbi v\u00e0 giao ti\u1ebfp v\u1edbi ng\u01b0\u1eddi d\u00f9ng t\u00e0i li\u1ec7u. N\u00f3 theo m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n, t\u1eadp trung v\u00e0o c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bash<\/span><span style=\"font-weight: 400;\">: L\u1eadp tr\u00ecnh script trong Bash, hay c\u00f2n g\u1ecdi l\u00e0 Bourne Again Shell, l\u00e0 ng\u00f4n ng\u1eef d\u00f9ng \u0111\u1ec3 vi\u1ebft k\u1ecbch b\u1ea3n shell v\u1edbi \u0111u\u00f4i \u2018.sh\u2019. C\u00e1c l\u1ec7nh \u0111\u01b0\u1ee3c nh\u1eadp tr\u00ean terminal v\u00e0 c\u1ea7n \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ebfn t\u1ec7p nh\u1ecb ph\u00e2n bash khi vi\u1ebft k\u1ecbch b\u1ea3n. Bash d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n \u0111\u1ec3 vi\u1ebft script so v\u1edbi c\u00e1c ng\u00f4n ng\u1eef kh\u00e1c v\u00e0 h\u1ed7 tr\u1ee3 chia s\u1ebb danh s\u00e1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Powershell<\/span><span style=\"font-weight: 400;\">: Microsoft ph\u00e1t tri\u1ec3n Windows PowerShell, m\u1ed9t shell d\u00f2ng l\u1ec7nh d\u00f9ng ch\u1ee7 y\u1ebfu cho qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng Windows v\u00e0 x\u00e2y d\u1ef1ng tr\u00ean framework .NET. C\u00e1c l\u1ec7nh trong PowerShell, g\u1ecdi l\u00e0 cmdlets, \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed5i t\u00ean th\u00e0nh PowerShell Core \u0111\u1ec3 ph\u1ea3n \u00e1nh n\u1ec1n t\u1ea3ng c\u01a1 s\u1edf. PowerShell x\u1eed l\u00fd v\u00e0 tr\u1ea3 v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng .NET thay v\u00ec v\u0103n b\u1ea3n thu\u1ea7n, h\u1ed7 tr\u1ee3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng vi\u1ec7c t\u1ed1t h\u01a1n.<\/span><\/li>\n<\/ul>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u1edbi c\u00e1c b\u1ea3n v\u00e1 m\u1edbi nh\u1ea5t?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00e1c b\u1ea3n v\u00e1 m\u1edbi nh\u1ea5t:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eadp danh s\u00e1ch t\u00e0i s\u1ea3n<\/span><span style=\"font-weight: 400;\">: C\u1eadp nh\u1eadt danh s\u00e1ch ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m, bao g\u1ed3m th\u00f4ng tin v\u1ec1 lo\u1ea1i, tr\u1ea1ng th\u00e1i, v\u00e0 b\u1ea3o h\u00e0nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o ch\u00ednh s\u00e1ch qu\u1ea3n l\u00fd b\u1ea3n v\u00e1<\/span><span style=\"font-weight: 400;\">:\u00a0 X\u00e2y d\u1ef1ng quy tr\u00ecnh cho vi\u1ec7c l\u1ea5y, ki\u1ec3m tra, c\u00e0i \u0111\u1eb7t, v\u00e0 \u01b0u ti\u00ean c\u00e1c b\u1ea3n v\u00e1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean<\/span><span style=\"font-weight: 400;\">: \u01afu ti\u00ean b\u1ea3n v\u00e1 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng v\u00e0 t\u00e1c \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c t\u00e0i s\u1ea3n quan tr\u1ecdng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ee3p nh\u1ea5t phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m<\/span><span style=\"font-weight: 400;\">: Chu\u1ea9n h\u00f3a c\u00e1c phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u1ea3n l\u00fd b\u1ea3n v\u00e1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00ean l\u1ecbch \u00e1p d\u1ee5ng b\u1ea3n v\u00e1<\/span><span style=\"font-weight: 400;\">: \u0110\u1eb7t l\u1ecbch tr\u00ecnh \u0111\u1ecbnh k\u1ef3 cho c\u00e1c b\u1ea3n v\u00e1 kh\u00f4ng quan tr\u1ecdng, th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c b\u00ean li\u00ean quan.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tri\u1ec3n khai b\u1ea3n v\u00e1 d\u1ea7n d\u1ea7n<\/span><span style=\"font-weight: 400;\">: Tri\u1ec3n khai b\u1ea3n v\u00e1 t\u1eeb t\u1eeb \u0111\u1ec3 gi\u1ea3m gi\u00e1n \u0111o\u1ea1n v\u00e0 tr\u00e1nh l\u00e0m qu\u00e1 t\u1ea3i h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1ea3n v\u00e1 tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng<\/span><span style=\"font-weight: 400;\">: Th\u1eed nghi\u1ec7m b\u1ea3n v\u00e1 trong m\u00f4i tr\u01b0\u1eddng ki\u1ec3m so\u00e1t \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean<\/span><span style=\"font-weight: 400;\">: Theo d\u00f5i v\u00e0 c\u1eadp nh\u1eadt th\u00f4ng tin v\u1ec1 c\u00e1c b\u1ea3n v\u00e1 v\u00e0 th\u00f4ng b\u00e1o b\u1ea3o m\u1eadt m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1 sau tri\u1ec3n khai<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra h\u1eadu qu\u1ea3 sau khi tri\u1ec3n khai b\u1ea3n v\u00e1 v\u00e0 c\u00f3 k\u1ebf ho\u1ea1ch ho\u00e0n t\u00e1c n\u1ebfu c\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c<\/span><span style=\"font-weight: 400;\">: Xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt quy tr\u00ecnh qu\u1ea3n l\u00fd b\u1ea3n v\u00e1 th\u01b0\u1eddng xuy\u00ean, c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_phong_van_ve_quan_tri_mang\"><\/span><b>C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n v\u1ec1 qu\u1ea3n tr\u1ecb m\u1ea1ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>Gi\u1ea3i th\u00edch v\u1ec1 \u0111\u1ecba ch\u1ec9 IP, subnet mask v\u00e0 gateway<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 IP<\/span><span style=\"font-weight: 400;\">: \u0110\u1ecba ch\u1ec9 IP l\u00e0 s\u1ed1 nh\u1eadn di\u1ec7n c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 giao ti\u1ebfp ch\u00ednh x\u00e1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb. N\u00f3 \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t giao di\u1ec7n m\u1ea1ng, nh\u00f3m giao di\u1ec7n (nh\u01b0 \u0111\u1ecba ch\u1ec9 ph\u00e1t s\u00f3ng, multicast), ho\u1eb7c to\u00e0n b\u1ed9 m\u1ea1ng m\u00e1y t\u00ednh, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng v\u00e0 cho ph\u00e9p ch\u00fang giao ti\u1ebfp.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Subnet mask<\/span><span style=\"font-weight: 400;\">: Subnet mask (cho IPv4) l\u00e0 m\u1ed9t s\u1ed1 32 bit (128 bit cho IPv6) d\u00f9ng \u0111\u1ec3 ph\u00e2n chia ph\u1ea7n m\u1ea1ng v\u00e0 ph\u1ea7n m\u00e1y ch\u1ee7 c\u1ee7a \u0111\u1ecba ch\u1ec9 IP. N\u00f3 b\u1eaft \u0111\u1ea7u b\u1eb1ng chu\u1ed7i s\u1ed1 1 v\u00e0 sau \u0111\u00f3 l\u00e0 chu\u1ed7i s\u1ed1 0, v\u1edbi ph\u1ea7n s\u1ed1 1 \u0111\u1ea1i di\u1ec7n cho ph\u1ea7n m\u1ea1ng v\u00e0 ph\u1ea7n s\u1ed1 0 \u0111\u1ea1i di\u1ec7n cho ph\u1ea7n m\u00e1y ch\u1ee7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gateway<\/span><span style=\"font-weight: 400;\">: C\u1ed5ng (gateway) l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng k\u1ebft n\u1ed1i m\u1ed9t m\u1ea1ng v\u1edbi c\u00e1c m\u1ea1ng kh\u00e1c v\u00e0 qu\u1ea3n l\u00fd giao ti\u1ebfp gi\u1eefa m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 c\u00e1c m\u1ea1ng b\u00ean ngo\u00e0i. M\u00e1y ch\u1ee7 g\u1eedi g\u00f3i tin \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 ngo\u00e0i m\u1ea1ng n\u1ed9i b\u1ed9 qua \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, n\u00ean n\u1ebfu kh\u00f4ng c\u00f3 c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, m\u00e1y ch\u1ee7 ch\u1ec9 c\u00f3 th\u1ec3 trao \u0111\u1ed5i g\u00f3i tin trong c\u00f9ng m\u1ea1ng n\u1ed9i b\u1ed9. C\u1ed5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t router trong m\u1ea1ng TCP\/IP ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u1edbi \u0111\u1ecba ch\u1ec9 IP \u0111\u1ea7u ti\u00ean c\u00f3 s\u1eb5n trong d\u1ea3i \u0111\u1ecba ch\u1ec9 c\u1ee7a m\u1ea1ng n\u1ed9i b\u1ed9.<\/span><\/p>\n<h3><b>H\u00e3y m\u00f4 t\u1ea3 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VPN<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">VPN \u0111\u1ecbnh tuy\u1ebfn k\u1ebft n\u1ed1i internet c\u1ee7a thi\u1ebft b\u1ecb qua d\u1ecbch v\u1ee5 ri\u00eang t\u01b0, thay v\u00ec nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) th\u00f4ng th\u01b0\u1eddng, v\u00e0 \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. N\u00f3 t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m m\u00e3 h\u00f3a, gi\u00fap b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng khi truy c\u1eadp internet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Khi ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i qua VPN, th\u00f4ng tin \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn c\u00e1c trang web qua k\u1ebft n\u1ed1i m\u00e3 h\u00f3a. VPN s\u1ebd chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u v\u00e0 nh\u1eadn ph\u1ea3n h\u1ed3i t\u1eeb trang web, g\u1eedi l\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng qua k\u1ebft n\u1ed1i b\u1ea3o m\u1eadt.<\/span><\/p>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u1ea1ng tr\u00ean Windows?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c Wi-Fi hay m\u1ea1ng Internet, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed nh\u1eefng c\u00e1ch sau \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh<\/span><span style=\"font-weight: 400;\">: Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh c\u00f3 th\u1ec3 gi\u00fap s\u1eeda nhi\u1ec1u l\u1ed7i, bao g\u1ed3m c\u1ea3 s\u1ef1 c\u1ed1 kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i Internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i Internet v\u1edbi thi\u1ebft b\u1ecb kh\u00e1c<\/span><span style=\"font-weight: 400;\">: Th\u1eed truy c\u1eadp c\u00e1c trang web kh\u00e1c ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra xem v\u1ea5n \u0111\u1ec1 c\u00f3 ch\u1ec9 x\u1ea3y ra tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem v\u00e0 router<\/span><span style=\"font-weight: 400;\">: Ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a modem v\u00e0 router, \u0111\u1ee3i v\u00e0i ph\u00fat v\u00e0 b\u1eadt l\u1ea1i \u0111\u1ec3 xem s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i c\u00f3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qu\u00e9t virus\/malware<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u1ec3 ki\u1ec3m tra v\u00e0 lo\u1ea1i b\u1ecf malware c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i Internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t l\u1ea1i router<\/span><span style=\"font-weight: 400;\">: B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n &#8220;reset m\u1ec1m&#8221; b\u1eb1ng c\u00e1ch r\u00fat ph\u00edch c\u1eafm ngu\u1ed3n c\u1ee7a router ho\u1eb7c &#8220;reset c\u1ee9ng&#8221; b\u1eb1ng c\u00e1ch nh\u1ea5n n\u00fat Reset tr\u00ean router.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Di chuy\u1ec3n m\u00e1y t\u00ednh g\u1ea7n router h\u01a1n<\/span><span style=\"font-weight: 400;\">: Kho\u1ea3ng c\u00e1ch xa c\u00f3 th\u1ec3 l\u00e0m y\u1ebfu t\u00edn hi\u1ec7u Wi-Fi. Di chuy\u1ec3n thi\u1ebft b\u1ecb l\u1ea1i g\u1ea7n router v\u00e0 th\u1eed k\u1ebft n\u1ed1i l\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet<\/span><span style=\"font-weight: 400;\">: N\u1ebfu v\u1eabn kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c, h\u00e3y li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1m th\u1eddi t\u1eaft ph\u1ea7n m\u1ec1m di\u1ec7t virus<\/span><span style=\"font-weight: 400;\">: Ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u00f4i khi c\u00f3 th\u1ec3 can thi\u1ec7p v\u00e0o k\u1ebft n\u1ed1i. Th\u1eed t\u1eaft ho\u1eb7c g\u1ee1 b\u1ecf t\u1ea1m th\u1eddi \u0111\u1ec3 ki\u1ec3m tra.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng tr\u00ecnh kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i c\u1ee7a Windows<\/span><span style=\"font-weight: 400;\">: \u0110i t\u1edbi C\u00e0i \u0111\u1eb7t -&gt; C\u1eadp nh\u1eadt &amp; B\u1ea3o m\u1eadt -&gt; Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 ch\u1ea1y c\u00f4ng c\u1ee5 \u0111\u1ec3 ki\u1ec3m tra l\u1ed7i k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt driver adapter m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: M\u1edf Device Manager v\u00e0 c\u1eadp nh\u1eadt driver cho thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i k\u1ebft n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t DNS\/TCP\/IP<\/span><span style=\"font-weight: 400;\">: M\u1edf Command Prompt v\u00e0 nh\u1eadp c\u00e1c l\u1ec7nh \u0111\u1ec3 \u0111\u1eb7t l\u1ea1i DNS v\u00e0 TCP\/IP:<\/span><\/li>\n<\/ul>\n<pre><i><span style=\"font-weight: 400;\">ipconfig \/release\u00a0\u00a0<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">ipconfig \/all\u00a0\u00a0<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">ipconfig \/flushdns\u00a0\u00a0<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">ipconfig \/renew\u00a0\u00a0<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">netsh int ip set dns\u00a0\u00a0<\/span><\/i>\r\n\r\n<i><span style=\"font-weight: 400;\">netsh winsock reset<\/span><\/i><\/pre>\n<h3><b>NAT l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Network Address Translation (NAT) l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP n\u1ed9i b\u1ed9 th\u00e0nh \u0111\u1ecba ch\u1ec9 IP to\u00e0n c\u1ea7u v\u00e0 ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 cung c\u1ea5p truy c\u1eadp internet cho c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng n\u1ed9i b\u1ed9. NAT c\u0169ng thay \u0111\u1ed5i s\u1ed1 c\u1ed5ng trong g\u00f3i tin, thay s\u1ed1 c\u1ed5ng c\u1ee7a m\u00e1y ch\u1ee7 b\u1eb1ng s\u1ed1 c\u1ed5ng kh\u00e1c \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn \u0111\u00edch, v\u00e0 ghi l\u1ea1i c\u00e1c m\u1ee5c \u0111\u1ecba ch\u1ec9 IP v\u00e0 s\u1ed1 c\u1ed5ng trong b\u1ea3ng NAT. NAT th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean router ho\u1eb7c t\u01b0\u1eddng l\u1eeda.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng, router bi\u00ean (border router) \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u1edbi NAT, c\u00f3 m\u1ed9t giao di\u1ec7n trong m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 m\u1ed9t giao di\u1ec7n trong m\u1ea1ng to\u00e0n c\u1ea7u. Khi g\u00f3i tin r\u1eddi m\u1ea1ng n\u1ed9i b\u1ed9, NAT chuy\u1ec3n \u0111\u1ecba ch\u1ec9 IP n\u1ed9i b\u1ed9 (ri\u00eang t\u01b0) th\u00e0nh \u0111\u1ecba ch\u1ec9 IP to\u00e0n c\u1ea7u (c\u00f4ng khai). Khi g\u00f3i tin v\u00e0o m\u1ea1ng n\u1ed9i b\u1ed9, \u0111\u1ecba ch\u1ec9 IP to\u00e0n c\u1ea7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i tr\u1edf l\u1ea1i th\u00e0nh \u0111\u1ecba ch\u1ec9 IP n\u1ed9i b\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u1ebfu NAT h\u1ebft \u0111\u1ecba ch\u1ec9 trong d\u1ea3i \u0111\u1ecba ch\u1ec9 c\u1ea5u h\u00ecnh, c\u00e1c g\u00f3i tin s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf v\u00e0 m\u1ed9t th\u00f4ng b\u00e1o ICMP &#8220;host unreachable&#8221; s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn \u0111\u00edch.<\/span><\/p>\n<h3><b>B\u1ea1n s\u1ebd l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng gi\u1eefa hai m\u00e1y t\u00ednh trong m\u1ed9t m\u1ea1ng n\u1ed9i b\u1ed9?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ea1ng n\u1ed9i b\u1ed9 (LAN) l\u00e0 t\u1eadp h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau trong m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m v\u1eadt l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng ho\u1eb7c nh\u00e0 ri\u00eang. M\u1ea1ng LAN c\u00f3 th\u1ec3 nh\u1ecf ho\u1eb7c l\u1edbn, t\u1eeb m\u1ea1ng gia \u0111\u00ecnh v\u1edbi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn m\u1ea1ng doanh nghi\u1ec7p v\u1edbi h\u00e0ng ngh\u00ecn ng\u01b0\u1eddi d\u00f9ng v\u00e0 thi\u1ebft b\u1ecb trong v\u0103n ph\u00f2ng ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00e1ch ki\u1ec3m tra k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb trong m\u1ea1ng LAN:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i v\u1eadt l\u00fd<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1p m\u1ea1ng: \u0110\u1ea3m b\u1ea3o c\u00e1c d\u00e2y c\u00e1p m\u1ea1ng \u0111\u01b0\u1ee3c c\u1eafm ch\u1eb7t v\u00e0o c\u1ea3 m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. Ki\u1ec3m tra xem c\u00f3 d\u00e2y n\u00e0o b\u1ecb \u0111\u1ee9t, g\u00e3y ho\u1eb7c b\u1ecb v\u1eb7n xo\u1eafn kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed5ng k\u1ebft n\u1ed1i: Ki\u1ec3m tra c\u00e1c c\u1ed5ng m\u1ea1ng tr\u00ean m\u00e1y t\u00ednh, router v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c b\u1ee5i b\u1ea9n kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb m\u1ea1ng: Ki\u1ec3m tra xem c\u00e1c \u0111\u00e8n b\u00e1o tr\u00ean router, switch c\u00f3 s\u00e1ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng. N\u1ebfu c\u00f3 \u0111\u00e8n n\u00e0o kh\u00f4ng s\u00e1ng, c\u00f3 th\u1ec3 thi\u1ebft b\u1ecb \u0111\u00f3 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng l\u1ec7nh ping<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1edf Command Prompt: Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm <\/span><span style=\"font-weight: 400;\">Windows + R<\/span><span style=\"font-weight: 400;\">, g\u00f5 &#8220;cmd&#8221; v\u00e0 nh\u1ea5n Enter.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n l\u1ec7nh ping: G\u00f5 l\u1ec7nh &#8220;ping &lt;\u0111\u1ecba ch\u1ec9 IP c\u1ee7a thi\u1ebft b\u1ecb c\u1ea7n ki\u1ec3m tra&gt;&#8221; v\u00e0 nh\u1ea5n Enter. V\u00ed d\u1ee5: &#8220;ping 192.168.1.100&#8221;.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft qu\u1ea3: N\u1ebfu c\u00e1c g\u00f3i tin \u0111\u01b0\u1ee3c g\u1eedi \u0111i v\u00e0 nh\u1eadn l\u1ea1i th\u00e0nh c\u00f4ng, t\u1ee9c l\u00e0 thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i t\u1ed1t.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 qu\u00e9t m\u1ea1ng<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Advanced IP Scanner: \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed, gi\u00fap b\u1ea1n qu\u00e9t v\u00e0 hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i trong m\u1ea1ng LAN.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Angry IP Scanner: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 Advanced IP Scanner, nh\u01b0ng c\u00f3 giao di\u1ec7n \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra th\u00f4ng qua giao di\u1ec7n web c\u1ee7a router<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Truy c\u1eadp giao di\u1ec7n web: M\u1edf tr\u00ecnh duy\u1ec7t web v\u00e0 nh\u1eadp \u0111\u1ecba ch\u1ec9 IP c\u1ee7a router v\u00e0o thanh \u0111\u1ecba ch\u1ec9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra danh s\u00e1ch thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i: Trong giao di\u1ec7n web c\u1ee7a router, th\u01b0\u1eddng c\u00f3 m\u1ed9t m\u1ee5c hi\u1ec3n th\u1ecb danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP: Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t TCP\/IP tr\u00ean m\u00e1y t\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Xung \u0111\u1ed9t \u0111\u1ecba ch\u1ec9 IP: Ki\u1ec3m tra xem c\u00f3 hai thi\u1ebft b\u1ecb n\u00e0o \u0111ang s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ed7i c\u1ea5u h\u00ecnh router: Ki\u1ec3m tra l\u1ea1i c\u1ea5u h\u00ecnh router xem c\u00f3 c\u00e0i \u0111\u1eb7t sai kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng: N\u1ebfu c\u00e1c c\u00e1ch tr\u00ean kh\u00f4ng hi\u1ec7u qu\u1ea3, c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u1ea7n c\u1ee9ng nh\u01b0 card m\u1ea1ng b\u1ecb l\u1ed7i.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_bao_mat_he_thong\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt y\u00eau c\u1ea7u hai y\u1ebfu t\u1ed1 \u0111\u1ec3 x\u00e1c minh danh t\u00ednh, th\u01b0\u1eddng bao g\u1ed3m t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u k\u1ebft h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i. 2FA gi\u00fap b\u1ea3o v\u1ec7 kh\u1ecfi l\u1eeba \u0111\u1ea3o, k\u1ef9 ngh\u1ec7 x\u00e3 h\u1ed9i, t\u1ea5n c\u00f4ng b\u1ebb kh\u00f3a m\u1eadt kh\u1ea9u v\u00e0 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p t\u1eeb th\u00f4ng tin \u0111\u0103ng nh\u1eadp y\u1ebfu ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n ch\u1eb7n ng\u01b0\u1eddi d\u00f9ng tr\u00e1i ph\u00e9p truy c\u1eadp v\u00e0o t\u00e0i kho\u1ea3n ch\u1ec9 v\u1edbi m\u1eadt kh\u1ea9u b\u1ecb \u0111\u00e1nh c\u1eafp. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p r\u1ee7i ro cao h\u01a1n khi s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u cho nhi\u1ec1u trang web, t\u1ea3i ph\u1ea7n m\u1ec1m ho\u1eb7c nh\u1ea5p v\u00e0o li\u00ean k\u1ebft trong email. 2FA k\u1ebft h\u1ee3p hai trong s\u1ed1 c\u00e1c y\u1ebfu t\u1ed1 sau:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ee9 b\u1ea1n bi\u1ebft (m\u1eadt kh\u1ea9u)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ee9 b\u1ea1n c\u00f3 (m\u00e3 x\u00e1c th\u1ef1c g\u1eedi \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ee9 thu\u1ed9c v\u1ec1 b\u1ea1n (sinh tr\u1eafc h\u1ecdc nh\u01b0 v\u00e2n tay, khu\u00f4n m\u1eb7t)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">2FA kh\u00f4ng ch\u1ec9 \u00e1p d\u1ee5ng tr\u1ef1c tuy\u1ebfn m\u00e0 c\u00f2n xu\u1ea5t hi\u1ec7n khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u00e3 b\u01b0u \u0111i\u1ec7n khi d\u00f9ng th\u1ebb t\u00edn d\u1ee5ng ho\u1eb7c nh\u1eadp m\u00e3 x\u00e1c th\u1ef1c t\u1eeb thi\u1ebft b\u1ecb b\u1ea3o m\u1eadt \u0111\u1ec3 truy c\u1eadp t\u1eeb xa v\u00e0o h\u1ec7 th\u1ed1ng c\u1ee7a c\u00f4ng ty.<\/span><\/p>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ed9t h\u1ec7 th\u1ed1ng Linux?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 b\u1ea3o m\u1eadt m\u1ed9t h\u1ec7 th\u1ed1ng Linux, ta c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 c\u00e0i \u0111\u1eb7t nh\u1eefng g\u00f3i c\u1ea7n thi\u1ebft<\/span><span style=\"font-weight: 400;\">: Vi\u1ec7c c\u00e0i \u0111\u1eb7t nhi\u1ec1u g\u00f3i kh\u00f4ng c\u1ea7n thi\u1ebft s\u1ebd l\u00e0m t\u0103ng r\u1ee7i ro b\u1ea3o m\u1eadt. N\u1ebfu b\u1ea1n kh\u00f4ng c\u1ea7n m\u00e1y ch\u1ee7 DNS, kh\u00f4ng n\u00ean c\u00e0i \u0111\u1eb7t g\u00f3i DNS hay m\u1edf c\u1ed5ng d\u1ecbch v\u1ee5 (53).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng t\u00e0i kho\u1ea3n thay th\u1ebf root<\/span><span style=\"font-weight: 400;\">: T\u00e0i kho\u1ea3n root d\u1ec5 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 c\u00f4ng khai. B\u1ea1n n\u00ean t\u1ea1o m\u1ed9t ng\u01b0\u1eddi d\u00f9ng m\u1edbi v\u00e0 c\u1ea5p quy\u1ec1n qu\u1ea3n tr\u1ecb, sau \u0111\u00f3 gi\u1ea3m quy\u1ec1n ho\u1eb7c v\u00f4 hi\u1ec7u h\u00f3a t\u00e0i kho\u1ea3n root.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ef1c thi b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u<\/span><span style=\"font-weight: 400;\">: M\u1eadt kh\u1ea9u c\u1ea7n \u0111\u1ee7 d\u00e0i (t\u1ed1i thi\u1ec3u 12 k\u00fd t\u1ef1) v\u00e0 ph\u1ee9c t\u1ea1p \u0111\u1ec3 ch\u1ed1ng l\u1ea1i t\u1ea5n c\u00f4ng brute-force. M\u1eadt kh\u1ea9u c\u1ea7n \u0111\u01b0\u1ee3c thay \u0111\u1ed5i \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u1ebfu b\u1ecb r\u00f2 r\u1ec9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt SSH<\/span><span style=\"font-weight: 400;\">: SSH l\u00e0 c\u1ed5ng ch\u00ednh \u0111\u1ec3 ki\u1ec3m so\u00e1t m\u00e1y ch\u1ee7, do \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt. B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o kh\u00f3a m\u00e3 h\u00f3a b\u1eb1ng l\u1ec7nh <\/span><i><span style=\"font-weight: 400;\">ssh-keygen<\/span><\/i><span style=\"font-weight: 400;\"> v\u00e0 t\u1ea3i l\u00ean m\u00e1y ch\u1ee7, sau \u0111\u00f3 t\u1eaft x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u v\u00e0 \u0111\u0103ng nh\u1eadp root trong t\u1ec7p c\u1ea5u h\u00ecnh <\/span><span style=\"font-weight: 400;\">\/etc\/ssh\/sshd_config<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1eb7n kh\u1edfi \u0111\u1ed9ng t\u1eeb thi\u1ebft b\u1ecb ngo\u00e0i<\/span><span style=\"font-weight: 400;\">: \u0110\u1ec3 ng\u0103n t\u1ea5n c\u00f4ng v\u1eadt l\u00fd qua thi\u1ebft b\u1ecb USB, ch\u1ea1y l\u1ec7nh <\/span><i><span style=\"font-weight: 400;\">chmod 000 \/media\/<\/span><\/i><span style=\"font-weight: 400;\">. Tuy nhi\u00ean, c\u00e1ch n\u00e0y kh\u00f4ng ho\u00e0n to\u00e0n ng\u0103n ch\u1eb7n khi k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp v\u1eadt l\u00fd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t v\u00e0 ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda<\/span><span style=\"font-weight: 400;\">: T\u01b0\u1eddng l\u1eeda gi\u00fap ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng c\u1ea3 t\u1eeb b\u00ean ngo\u00e0i l\u1eabn b\u00ean trong. S\u1eed d\u1ee5ng l\u1ec7nh <\/span><i><span style=\"font-weight: 400;\">sudo apt install ufw<\/span><\/i><span style=\"font-weight: 400;\"> \u0111\u1ec3 c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda v\u00e0 <\/span><i><span style=\"font-weight: 400;\">sudo ufw enable<\/span><\/i><span style=\"font-weight: 400;\"> \u0111\u1ec3 k\u00edch ho\u1ea1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng xuy\u00ean<\/span><span style=\"font-weight: 400;\">: Ph\u1ea7n m\u1ec1m c\u0169 l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, bao g\u1ed3m c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware v\u00e0 x\u00e2m nh\u1eadp d\u1eef li\u1ec7u. C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt quan tr\u1ecdng.<\/span><\/li>\n<\/ul>\n<h3><b>Gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m t\u01b0\u1eddng l\u1eeda (firewall) v\u00e0 c\u00e1ch c\u1ea5u h\u00ecnh n\u00f3<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u01b0\u1eddng l\u1eeda (firewall) l\u00e0 thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m gi\u00fap b\u1ea3o v\u1ec7 m\u1ea1ng kh\u1ecfi c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng b\u1eb1ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc 24\/7. N\u00f3 qu\u00e9t v\u00e0 ng\u0103n ch\u1eb7n d\u1eef li\u1ec7u \u0111\u00e1ng ng\u1edd x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 l\u1ecdc g\u00f3i tin, d\u1ecbch v\u1ee5 proxy v\u00e0 ki\u1ec3m tra tr\u1ea1ng th\u00e1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u01b0\u1eddng l\u1eeda t\u1ea1o ra m\u1ed9t r\u00e0o ch\u1eafn gi\u1eefa m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 internet, ho\u1eb7c gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n trong h\u1ec7 th\u1ed1ng. Ngo\u00e0i vi\u1ec7c ng\u0103n m\u00e3 \u0111\u1ed9c x\u00e2m nh\u1eadp, m\u1ed9t s\u1ed1 t\u01b0\u1eddng l\u1eeda c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u00e1t t\u00e1n m\u00e3 \u0111\u1ed9c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh \u0111\u00fang l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ed7 tr\u1ee3 m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 ki\u1ec3m tra g\u00f3i tin c\u00f3 tr\u1ea1ng th\u00e1i. Sau \u0111\u00e2y l\u00e0 c\u00e1ch c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda an to\u00e0n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt t\u01b0\u1eddng l\u1eeda<\/span><span style=\"font-weight: 400;\">: C\u1eadp nh\u1eadt firmware m\u1edbi nh\u1ea5t, x\u00f3a t\u00e0i kho\u1ea3n v\u00e0 m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh, s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 duy nh\u1ea5t, kh\u00f4ng d\u00f9ng t\u00e0i kho\u1ea3n d\u00f9ng chung, v\u00f4 hi\u1ec7u h\u00f3a ho\u1eb7c c\u1ea5u h\u00ecnh SNMP an to\u00e0n, v\u00e0 h\u1ea1n ch\u1ebf l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng ra v\u00e0o cho c\u00e1c \u1ee9ng d\u1ee5ng ho\u1eb7c giao th\u1ee9c TCP.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp v\u00f9ng v\u00e0 \u0111\u1ecba ch\u1ec9 IP<\/span><span style=\"font-weight: 400;\">: T\u1ea1o c\u00e1c v\u00f9ng b\u1ea3o v\u1ec7 t\u00e0i nguy\u00ean d\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng v\u00e0 m\u1ee9c \u0111\u1ed9 r\u1ee7i ro, nh\u01b0 v\u00f9ng DMZ cho c\u00e1c m\u00e1y ch\u1ee7. Thi\u1ebft l\u1eadp c\u1ea5u tr\u00fac \u0111\u1ecba ch\u1ec9 IP cho c\u00e1c giao di\u1ec7n v\u00e0 giao di\u1ec7n ph\u1ee5 c\u1ee7a t\u01b0\u1eddng l\u1eeda.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh danh s\u00e1ch ki\u1ec3m so\u00e1t truy c\u1eadp (ACLs)<\/span><span style=\"font-weight: 400;\">: T\u1ea1o quy t\u1eafc ACL chi ti\u1ebft cho c\u00e1c c\u1ed5ng v\u00e0 \u0111\u1ecba ch\u1ec9 IP, v\u1edbi quy t\u1eafc &#8220;deny all&#8221; \u1edf cu\u1ed1i. C\u1ea5u h\u00ecnh ACL cho c\u1ea3 giao di\u1ec7n v\u00e0o v\u00e0 ra \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh d\u1ecbch v\u1ee5 v\u00e0 ghi nh\u1eadt k\u00fd<\/span><span style=\"font-weight: 400;\">: V\u00f4 hi\u1ec7u h\u00f3a c\u00e1c d\u1ecbch v\u1ee5 kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 c\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 b\u00e1o c\u00e1o t\u1edbi d\u1ecbch v\u1ee5 ghi nh\u1eadt k\u00fd, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u00e0 qu\u1ea3n l\u00fd li\u00ean t\u1ee5c<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra c\u1ea5u h\u00ecnh qua th\u1eed nghi\u1ec7m th\u00e2m nh\u1eadp v\u00e0 qu\u00e9t l\u1ed7 h\u1ed5ng, sao l\u01b0u c\u1ea5u h\u00ecnh an to\u00e0n. Qu\u1ea3n l\u00fd v\u00e0 gi\u00e1m s\u00e1t t\u01b0\u1eddng l\u1eeda th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n \u0111\u00e3 t\u1eebng s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt n\u00e0o \u0111\u1ec3 theo d\u00f5i v\u00e0 ph\u00f2ng ch\u1ed1ng s\u1ef1 x\u00e2m nh\u1eadp?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp (Intrusion Prevention Detection System &#8211; IDPS) l\u00e0 gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u1ea1ng nh\u1eb1m ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u x\u00e2m nh\u1eadp \u0111\u1ed9c h\u1ea1i, ghi l\u1ea1i th\u00f4ng tin v\u00e0 ng\u0103n ch\u1eb7n ch\u00fang qua ph\u1ea3n \u1ee9ng t\u1ef1 \u0111\u1ed9ng ho\u1eb7c c\u1ea3nh b\u00e1o ng\u01b0\u1eddi d\u00f9ng. C\u00f4ng c\u1ee5 IDPS gi\u00fap b\u1ea3o v\u1ec7 doanh nghi\u1ec7p kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda nh\u01b0 \u0111\u1ed9t nh\u1eadp, r\u00f2 r\u1ec9 d\u1eef li\u1ec7u, t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (DDoS), v\u00e0 h\u00e0nh vi gian l\u1eadn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">IDPS th\u01b0\u1eddng bao g\u1ed3m b\u1ed1n lo\u1ea1i ch\u00ednh: ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, h\u00e0nh vi m\u1ea1ng, ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng d\u00e2y, ho\u1eb7c th\u00f4ng tin v\u1ec1 m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 ch\u1ed3ng ch\u00e9o v\u00e0 ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch b\u1ea3o m\u1eadt b\u1eb1ng m\u1ed9t gi\u1ea3i ph\u00e1p duy nh\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 IDPS ti\u00eau bi\u1ec3u c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AirMagnet Enterprise<\/span><span style=\"font-weight: 400;\">: AirMagnet, hi\u1ec7n thu\u1ed9c Fluke Networks, cung c\u1ea5p gi\u1ea3i ph\u00e1p IDPS \u0111\u1ed9c l\u1eadp v\u1edbi c\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt nh\u01b0 gi\u00e1m s\u00e1t m\u1ea1ng 24\/7, th\u1ef1c thi quy t\u1eafc x\u00e2m nh\u1eadp t\u00f9y ch\u1ec9nh, v\u00e0 ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda b\u1eb1ng c\u00f4ng ngh\u1ec7 C\u1eadp Nh\u1eadt M\u1ed1i \u0111e d\u1ecda \u0110\u1ed9ng. \u0110\u1ed9ng c\u01a1 AirWISE gi\u00fap ph\u00e2n t\u00edch ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng kh\u00f4ng d\u00e2y hi\u1ec7u qu\u1ea3. Gi\u00e1 gi\u1ea3i ph\u00e1p kho\u1ea3ng 10,325 USD, tuy \u0111\u00e1ng tin c\u1eady nh\u01b0ng kh\u00f4ng b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 s\u1eed d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a ti\u00ean ti\u1ebfn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Amazon Web Services (AWS) GuardDuty<\/span><span style=\"font-weight: 400;\">: GuardDuty l\u00e0 d\u1ecbch v\u1ee5 ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda c\u1ee7a Amazon, ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng v\u1edbi AWS, cung c\u1ea5p gi\u00e1m s\u00e1t m\u1ea1ng 24\/7 v\u00e0 t\u1ef1 \u0111\u1ed9ng ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda ch\u00ednh. N\u00f3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ecdc m\u00e1y \u0111\u1ed9c quy\u1ec1n c\u1ee7a AWS \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ph\u00e2n t\u00edch m\u1ed1i \u0111e d\u1ecda t\u1eeb d\u1eef li\u1ec7u AWS CloudTrail v\u00e0 c\u00e1c ngu\u1ed3n kh\u00e1c. Gi\u00e1 c\u1ee7a d\u1ecbch v\u1ee5 b\u1eaft \u0111\u1ea7u t\u1eeb 0,80 USD m\u1ed7i tri\u1ec7u s\u1ef1 ki\u1ec7n ho\u1eb7c 1,00 USD m\u1ed7i GB, v\u1edbi quy tr\u00ecnh tri\u1ec3n khai \u0111\u01a1n gi\u1ea3n nh\u01b0ng h\u1ed7 tr\u1ee3 t\u00f9y ch\u1ec9nh h\u1ea1n ch\u1ebf.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Azure Firewall Premium IDPS<\/span><span style=\"font-weight: 400;\">: Microsoft Azure Firewall Premium cung c\u1ea5p ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp 24\/7 v\u1edbi h\u01a1n 58.000 quy t\u1eafc \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda nh\u01b0 malware v\u00e0 phishing. D\u1ecbch v\u1ee5 n\u00e0y c\u00f3 gi\u00e1 t\u1eeb 1,75 USD m\u1ed7i gi\u1edd v\u00e0 0,016 USD m\u1ed7i GB, v\u1edbi c\u1eadp nh\u1eadt quy t\u1eafc h\u00e0ng ng\u00e0y. Tuy nhi\u00ean, n\u00f3 ch\u1ec9 b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ng tr\u00ean Azure v\u00e0 y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u00e1m m\u00e2y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cisco Secure IPS (NGIPS)<\/span><span style=\"font-weight: 400;\">: Cisco Secure IPS l\u00e0 h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp th\u1ebf h\u1ec7 ti\u1ebfp theo (NGIPS) c\u1ee7a Cisco, t\u00edch h\u1ee3p v\u1edbi Trung t\u00e2m Qu\u1ea3n l\u00fd Firepower. N\u00f3 cung c\u1ea5p gi\u00e1m s\u00e1t m\u1ea1ng 24\/7, ph\u00e1t tri\u1ec3n quy t\u1eafc m\u1edbi th\u01b0\u1eddng xuy\u00ean t\u1eeb \u0111\u1ed9i ng\u0169 Talos, v\u00e0 ph\u00e1t hi\u1ec7n m\u1ed1i \u0111e d\u1ecda v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. \u0110\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m, Secure IPS c\u00f3 gi\u00e1 t\u1eeb 35.000 USD, nh\u01b0ng t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn c\u00f2n thi\u1ebfu v\u00e0 vi\u1ec7c tinh ch\u1ec9nh ch\u00ednh s\u00e1ch c\u00f3 th\u1ec3 t\u1ed1n th\u1eddi gian.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Darktrace Enterprise Immune System<\/span><span style=\"font-weight: 400;\">: Darktrace l\u00e0 c\u00f4ng ty an ninh m\u1ea1ng s\u1eed d\u1ee5ng AI, cung c\u1ea5p c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt t\u1ef1 h\u1ecdc. N\u00f3 gi\u00e1m s\u00e1t m\u1ea1ng 24\/7, ph\u00e2n t\u00edch ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean quy t\u1eafc x\u00e2m nh\u1eadp t\u1ef1 \u0111\u1ed9ng v\u00e0 duy tr\u00ec nh\u1eadt k\u00fd chi ti\u1ebft. Darktrace ph\u00e1t hi\u1ec7n m\u00e3 \u0111\u1ed9c v\u00e0 ransomware b\u1eb1ng c\u00e1ch nh\u1eadn di\u1ec7n c\u00e1c sai l\u1ec7ch trong h\u00e0nh vi m\u1ea1ng v\u00e0 t\u1ef1 \u0111\u1ed9ng ch\u1eb7n x\u00e2m nh\u1eadp. Gi\u00e1 kho\u1ea3ng 30.000 USD h\u00e0ng n\u0103m tr\u00ean AWS. C\u00f4ng c\u1ee5 n\u00e0y ch\u00ednh x\u00e1c nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y b\u00e1o \u0111\u1ed9ng gi\u1ea3 v\u00e0 l\u00e0m ch\u1eadm h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">IBM Intrusion Detection and Prevention System (IDPS) Management<\/span><span style=\"font-weight: 400;\">: IBM cung c\u1ea5p h\u1ec7 th\u1ed1ng IDPS t\u00edch h\u1ee3p, d\u1ef1a tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng tin m\u1ed1i \u0111e d\u1ecda IBM X-Force. C\u00f4ng c\u1ee5 n\u00e0y gi\u00e1m s\u00e1t m\u1ea1ng 24\/7, t\u00edch h\u1ee3p quy t\u1eafc ph\u00e1t hi\u1ec7n t\u1eeb nhi\u1ec1u ngu\u1ed3n, v\u00e0 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. N\u00f3 s\u1eed d\u1ee5ng AI \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 t\u1ef1 \u0111\u1ed9ng ch\u1eb7n m\u1ed1i \u0111e d\u1ecda, ph\u00f9 h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng IT ph\u1ee9c t\u1ea1p. Gi\u00e1 c\u1ea3 kh\u00f4ng c\u00f4ng b\u1ed1, v\u00e0 c\u1ea7n th\u1eddi gian \u0111\u1ec3 thi\u1ebft l\u1eadp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Snort<\/span><span style=\"font-weight: 400;\">: Snort l\u00e0 c\u00f4ng c\u1ee5 IDPS m\u00e3 ngu\u1ed3n m\u1edf l\u00e2u \u0111\u1eddi, hi\u1ec7n \u0111\u01b0\u1ee3c Cisco qu\u1ea3n l\u00fd. N\u00f3 cung c\u1ea5p gi\u00e1m s\u00e1t m\u1ea1ng 24\/7, c\u1ea3nh b\u00e1o g\u00f3i d\u1eef li\u1ec7u \u0111\u1ed9c h\u1ea1i, v\u00e0 h\u1ed7 tr\u1ee3 hai b\u1ed9 quy t\u1eafc: mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed v\u1edbi quy\u1ec1n truy c\u1eadp v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1eadp nh\u1eadt c\u1ee7a Cisco. Phi\u00ean b\u1ea3n c\u1ed9ng \u0111\u1ed3ng mi\u1ec5n ph\u00ed, trong khi c\u00e1c g\u00f3i tr\u1ea3 ph\u00ed b\u1eaft \u0111\u1ea7u t\u1eeb 29,99 USD m\u1ed7i n\u0103m. Tuy nhi\u00ean, Snort c\u1ea7n c\u1ea5u h\u00ecnh th\u00eam v\u00e0 thi\u1ebfu h\u1ed7 tr\u1ee3 cao c\u1ea5p.<\/span><\/li>\n<\/ul>\n<h3><b>M\u00f4 t\u1ea3 c\u00e1ch b\u1ea1n ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DDoS<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS (distributed denial-of-service &#8211; t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n) ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 l\u00e0 m\u1ed1i \u0111e d\u1ecda l\u1edbn \u0111\u1ed1i v\u1edbi t\u1ed5 ch\u1ee9c \u1edf m\u1ecdi quy m\u00f4. M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng m\u1edbi, nh\u01b0ng t\u1ea7n su\u1ea5t v\u00e0 m\u1ee9c \u0111\u1ed9 tinh vi c\u1ee7a ch\u00fang \u0111ang gia t\u0103ng \u0111\u00e1ng k\u1ec3. Theo <\/span><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/collateral\/executive-perspectives\/annual-internet-report\/white-paper-c11-741490.html\"><span style=\"font-weight: 400;\">Cisco<\/span><\/a><span style=\"font-weight: 400;\">, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS to\u00e0n c\u1ea7u d\u1ef1 ki\u1ebfn s\u1ebd g\u1ea5p \u0111\u00f4i t\u1eeb 7,9 tri\u1ec7u v\u00e0o n\u0103m 2018 l\u00ean 15,4 tri\u1ec7u v\u00e0o n\u0103m 2023, t\u1ee9c l\u00e0 t\u0103ng 807%.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y l\u01b0u \u00fd nh\u1eefng d\u1ea5u hi\u1ec7u sau \u0111\u1ec3 ph\u00e1t hi\u1ec7n cu\u1ed9c t\u1ea5n c\u00f4ng DDoS tr\u01b0\u1edbc khi n\u00f3 tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u0111\u1ecba ch\u1ec9 IP g\u1eedi qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u k\u1ebft n\u1ed1i trong th\u1eddi gian ng\u1eafn. Th\u01b0\u1eddng th\u00ec nh\u1eefng k\u1ebft n\u1ed1i n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t v\u00ec ngu\u1ed3n g\u1ed1c th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c g\u00f3i IP v\u1eabn b\u1ecb \u1ea9n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n ph\u1ea3n h\u1ed3i v\u1edbi l\u1ed7i 503 kh\u00f4ng kh\u1ea3 d\u1ee5ng do s\u1ef1 c\u1ed1 d\u1ecbch v\u1ee5. L\u1ed7i n\u00e0y th\u01b0\u1eddng bi\u1ebfn m\u1ea5t khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1ea3m. N\u1ebfu l\u1ed7i v\u1eabn t\u1ed3n t\u1ea1i sau m\u1ed9t th\u1eddi gian, c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u0111\u1ecba ch\u1ec9 ngu\u1ed3n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp li\u00ean t\u1ee5c y\u00eau c\u1ea7u c\u00f9ng m\u1ed9t t\u1eadp d\u1eef li\u1ec7u l\u00e2u sau khi TTL c\u1ee7a trang \u0111\u00e3 h\u1ebft h\u1ea1n. L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u1ee3p l\u1ec7 kh\u00f4ng n\u00ean h\u00e0nh x\u1eed nh\u01b0 v\u1eady.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khi nh\u00e2n vi\u00ean c\u1ee7a b\u1ea1n b\u1eaft \u0111\u1ea7u b\u00e1o c\u00e1o hi\u1ec7u su\u1ea5t trang web ch\u1eadm do s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t k\u1ebft n\u1ed1i cho ph\u1ea7n m\u1ec1m n\u1ed9i b\u1ed9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea1n th\u1ea5y s\u1ef1 gia t\u0103ng b\u1ea5t th\u01b0\u1eddng trong b\u00e1o c\u00e1o GA v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u01b0a ra l\u00fd do h\u1ee3p l\u00fd \u0111\u1ec3 gi\u1ea3i th\u00edch.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Khi \u0111\u1ed1i ph\u00f3 v\u1edbi cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, h\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i v\u00e0 ph\u1ee5c h\u1ed3i d\u1ecbch v\u1ee5:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u00e1nh gi\u00e1 ngay l\u1eadp t\u1ee9c<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c \u0111\u1ec3 nh\u1eadn di\u1ec7n l\u01b0u l\u01b0\u1ee3ng b\u1ea5t th\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u00e1nh gi\u00e1 nhanh quy m\u00f4 v\u00e0 lo\u1ea1i cu\u1ed9c t\u1ea5n c\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00c1p d\u1ee5ng C\u00e1c Giao th\u1ee9c Gi\u1ea3m thi\u1ec3u<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 IP g\u00e2y h\u1ea1i v\u00e0 \u00e1p d\u1ee5ng gi\u1edbi h\u1ea1n t\u1ef7 l\u1ec7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng qua nhi\u1ec1u m\u00e1y ch\u1ee7 v\u00e0 s\u1eed d\u1ee5ng CDN.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) v\u00e0 chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng \u0111\u1ed9c h\u1ea1i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c ngo\u00e0i<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1edd nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet h\u1ed7 tr\u1ee3 v\u00e0 ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">H\u00e0nh \u0111\u1ed9ng sau cu\u1ed9c t\u1ea5n c\u00f4ng<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e2n t\u00edch cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 b\u00e1o c\u00e1o cho c\u00e1c c\u01a1 quan li\u00ean quan.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt cho c\u00e1c nh\u00f3m n\u1ed9i b\u1ed9 v\u00e0 b\u00ean li\u00ean quan v\u1ec1 t\u00ecnh h\u00ecnh v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u00e3 th\u1ef1c hi\u1ec7n.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_xu_ly_su_co\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 x\u1eed l\u00fd s\u1ef1 c\u1ed1<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>B\u1ea1n s\u1ebd l\u00e0m g\u00ec khi m\u00e1y ch\u1ee7 kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00ean Windows?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi m\u00e1y ch\u1ee7 Windows kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c, t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd s\u1ef1 c\u1ed1 sau \u0111\u00e2y:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra ph\u1ea7n c\u1ee9ng<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n: \u0110\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 \u0111ang c\u00f3 ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1 v\u1ec1 ngu\u1ed3n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c k\u1ebft n\u1ed1i ph\u1ea7n c\u1ee9ng: Xem x\u00e9t c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng nh\u01b0 \u1ed5 c\u1ee9ng, b\u1ed9 nh\u1edb RAM, v\u00e0 c\u00e1p k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra BIOS\/UEFI: N\u1ebfu ph\u1ea7n c\u1ee9ng kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec, t\u00f4i s\u1ebd ki\u1ec3m tra thi\u1ebft l\u1eadp trong BIOS\/UEFI \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5 \u0111\u0129a kh\u1edfi \u0111\u1ed9ng ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ch\u1ea1y ch\u1ebf \u0111\u1ed9 Safe Mode<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u1ebfu m\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1 khi kh\u1edfi \u0111\u1ed9ng v\u00e0o Windows, t\u00f4i s\u1ebd th\u1eed kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7 v\u00e0o ch\u1ebf \u0111\u1ed9 Safe Mode b\u1eb1ng c\u00e1ch nh\u1ea5n F8 (ho\u1eb7c Shift + F8 v\u1edbi c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u1edbi h\u01a1n) \u0111\u1ec3 ch\u1ec9 t\u1ea3i nh\u1eefng driver v\u00e0 d\u1ecbch v\u1ee5 c\u01a1 b\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">N\u1ebfu c\u00f3 th\u1ec3 v\u00e0o Safe Mode, t\u00f4i s\u1ebd ki\u1ec3m tra nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n (Event Logs) \u0111\u1ec3 t\u00ecm nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 c\u1ed1, \u0111\u1ed3ng th\u1eddi xem x\u00e9t c\u00e1c driver hay ph\u1ea7n m\u1ec1m m\u1edbi c\u00e0i \u0111\u1eb7t c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Windows Recovery Environment (WinRE)<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">N\u1ebfu m\u00e1y ch\u1ee7 kh\u00f4ng kh\u1edfi \u0111\u1ed9ng v\u00e0o Safe Mode, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng WinRE, th\u01b0\u1eddng kh\u1edfi \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ea7n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Trong WinRE, t\u00f4i s\u1ebd th\u1eed c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Startup Repair \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng s\u1eeda c\u00e1c s\u1ef1 c\u1ed1 kh\u1edfi \u0111\u1ed9ng, ho\u1eb7c System Restore \u0111\u1ec3 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng v\u1ec1 m\u1ed9t \u0111i\u1ec3m kh\u00f4i ph\u1ee5c tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa bootloader<\/span><span style=\"font-weight: 400;\">: N\u1ebfu m\u00e1y ch\u1ee7 kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng do l\u1ed7i bootloader (v\u00ed d\u1ee5 nh\u01b0 BOOTMGR is missing), t\u00f4i s\u1ebd s\u1eed d\u1ee5ng Command Prompt trong WinRE \u0111\u1ec3 ch\u1ea1y c\u00e1c l\u1ec7nh nh\u01b0 <\/span><i><span style=\"font-weight: 400;\">bootrec \/fixmbr<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">bootrec \/fixboot<\/span><\/i><span style=\"font-weight: 400;\">, v\u00e0 <\/span><i><span style=\"font-weight: 400;\">bootrec \/rebuildbcd<\/span><\/i><span style=\"font-weight: 400;\"> \u0111\u1ec3 s\u1eeda ch\u1eefa ho\u1eb7c t\u00e1i t\u1ea1o l\u1ea1i bootloader.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1ea1y System File Checker v\u00e0 Check Disk<\/span><span style=\"font-weight: 400;\">: N\u1ebfu nghi ng\u1edd c\u00f3 l\u1ed7i h\u1ec7 th\u1ed1ng, t\u00f4i s\u1ebd ch\u1ea1y sfc \/scannow \u0111\u1ec3 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa c\u00e1c t\u1ec7p h\u1ec7 th\u1ed1ng b\u1ecb h\u1ecfng. Ngo\u00e0i ra, l\u1ec7nh chkdsk \/r s\u1ebd gi\u00fap t\u00f4i x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda c\u00e1c l\u1ed7i tr\u00ean \u1ed5 c\u1ee9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n (Event Logs)<\/span><span style=\"font-weight: 400;\">: Sau khi kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u00e0o ch\u1ebf \u0111\u1ed9 Safe Mode ho\u1eb7c kh\u1eafc ph\u1ee5c l\u1ed7i, t\u00f4i s\u1ebd ki\u1ec3m tra c\u00e1c Event Logs \u0111\u1ec3 xem chi ti\u1ebft v\u1ec1 c\u00e1c l\u1ed7i h\u1ec7 th\u1ed1ng ho\u1eb7c ph\u1ea7n m\u1ec1m d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 kh\u00f4ng kh\u1edfi \u0111\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 chu\u1ea9n b\u1ecb kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: N\u1ebfu kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean, t\u00f4i s\u1ebd \u01b0u ti\u00ean sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00e1c bi\u1ec7n ph\u00e1p m\u1ea1nh nh\u01b0 c\u00e0i \u0111\u1eb7t l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c kh\u00f4i ph\u1ee5c t\u1eeb b\u1ea3n sao l\u01b0u g\u1ea7n nh\u1ea5t.<\/span><\/p>\n<h3><b>M\u1ed9t h\u1ec7 th\u1ed1ng kh\u00f4ng ph\u1ea3n h\u1ed3i, b\u1ea1n s\u1ebd x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi g\u1eb7p t\u00ecnh hu\u1ed1ng m\u00e1y ch\u1ee7 kh\u00f4ng ph\u1ea3n h\u1ed3i, t\u00f4i s\u1ebd th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u01a1 b\u1ea3n v\u1ec1 m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: Tr\u01b0\u1edbc h\u1ebft, t\u00f4i s\u1ebd ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong h\u1ec7 th\u1ed1ng. T\u00f4i s\u1ebd th\u1eed ping m\u00e1y ch\u1ee7 v\u00e0 ki\u1ec3m tra c\u00e1c th\u00f4ng s\u1ed1 m\u1ea1ng nh\u01b0 IP, DNS, gateway.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra ph\u1ea7n c\u1ee9ng<\/span><span style=\"font-weight: 400;\">: N\u1ebfu kh\u00f4ng c\u00f3 ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7, t\u00f4i s\u1ebd xem x\u00e9t c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ea7n c\u1ee9ng. V\u00ed d\u1ee5, ki\u1ec3m tra \u0111\u00e8n tr\u1ea1ng th\u00e1i tr\u00ean m\u00e1y ch\u1ee7 (n\u1ebfu c\u00f3), \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 \u0111ang b\u1eadt ngu\u1ed3n, kh\u00f4ng c\u00f3 l\u1ed7i ph\u1ea7n c\u1ee9ng nh\u01b0 h\u1ecfng \u1ed5 c\u1ee9ng hay ngu\u1ed3n \u0111i\u1ec7n b\u1ecb m\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Remote Access (Truy c\u1eadp t\u1eeb xa)<\/span><span style=\"font-weight: 400;\">: N\u1ebfu c\u00f3 th\u1ec3, t\u00f4i s\u1ebd c\u1ed1 g\u1eafng truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 t\u1eeb xa th\u00f4ng qua SSH ho\u1eb7c RDP. N\u1ebfu kh\u00f4ng th\u1ec3 truy c\u1eadp, c\u00f3 th\u1ec3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh b\u1ecb treo ho\u1eb7c g\u1eb7p l\u1ed7i nghi\u00eam tr\u1ecdng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra log h\u1ec7 th\u1ed1ng<\/span><span style=\"font-weight: 400;\">: T\u00f4i s\u1ebd ki\u1ec3m tra nh\u1eadt k\u00fd h\u1ec7 th\u1ed1ng (system logs) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ef1 c\u1ed1 ho\u1eb7c c\u00e1c c\u1ea3nh b\u00e1o t\u1eeb ph\u1ea7n m\u1ec1m. Log c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin v\u1ec1 nguy\u00ean nh\u00e2n s\u1ef1 c\u1ed1, nh\u01b0 l\u1ed7i \u1ee9ng d\u1ee5ng, l\u1ed7i h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ho\u1eb7c v\u1ea5n \u0111\u1ec1 v\u1edbi d\u1ecbch v\u1ee5 n\u00e0o \u0111\u00f3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 ho\u1eb7c m\u00e1y ch\u1ee7<\/span><span style=\"font-weight: 400;\">: N\u1ebfu v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3 kh\u00f4ng ph\u1ea3n h\u1ed3i, t\u00f4i s\u1ebd kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 \u0111\u00f3 (v\u00ed d\u1ee5 nh\u01b0 Apache, Nginx ho\u1eb7c d\u1ecbch v\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u). N\u1ebfu m\u00e1y ch\u1ee7 v\u1eabn kh\u00f4ng ph\u1ea3n h\u1ed3i sau khi ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 tr\u00ean, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i kh\u1edfi \u0111\u1ed9ng l\u1ea1i to\u00e0n b\u1ed9 m\u00e1y ch\u1ee7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng m\u1ea1nh nh\u01b0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i, t\u00f4i s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c sao l\u01b0u th\u01b0\u1eddng xuy\u00ean v\u00e0 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u01b0\u1ee3c trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ef1 c\u1ed1 m\u1ea5t m\u00e1t d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 (n\u1ebfu c\u1ea7n)<\/span><span style=\"font-weight: 400;\">: N\u1ebfu m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u b\u00ean ngo\u00e0i, t\u00f4i s\u1ebd li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 ki\u1ec3m tra xem c\u00f3 s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng ho\u1eb7c m\u1ea1ng t\u1eeb ph\u00eda h\u1ecd hay kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n x\u1eed l\u00fd th\u1ebf n\u00e0o khi m\u1ed9t \u1ed5 c\u1ee9ng b\u1ecb \u0111\u1ea7y tr\u00ean Mac?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng Qu\u1ea3n l\u00fd L\u01b0u tr\u1eef (Storage Management) c\u1ee7a Mac cung c\u1ea5p m\u1ed9t s\u1ed1 g\u1ee3i \u00fd h\u1eefu \u00edch v\u1ec1 c\u00e1ch gi\u1ea3i ph\u00f3ng kh\u00f4ng gian, nh\u01b0ng n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u1ec3 kh\u00f4i ph\u1ee5c kh\u00f4ng gian \u0111\u0129a tr\u00ean Macbook c\u1ee7a b\u1ea1n:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u1ecdn Th\u00f9ng r\u00e1c<\/span><span style=\"font-weight: 400;\">: \u0110\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, vi\u1ec7c d\u1ecdn d\u1eb9p \u1ed5 c\u1ee9ng b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac b\u1eb1ng c\u00e1ch x\u00f3a Th\u00f9ng r\u00e1c. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u t\u1ed1t, nh\u01b0ng n\u00f3 ch\u1ec9 gi\u1ea3i ph\u00f3ng \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n kh\u00f4ng gian \u0111\u0129a.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng <\/span><b>Trash <\/b><span style=\"font-weight: 400;\">tr\u00ean m\u00e0n h\u00ecnh n\u1ec1n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ch\u1ecdn &#8220;<\/span><b>Empty Trash<\/b><span style=\"font-weight: 400;\">.&#8221;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Optimize<\/span><span style=\"font-weight: 400;\">: \u1ee8ng d\u1ee5ng d\u1ecdn d\u1eb9p t\u00edch h\u1ee3p c\u1ee7a Mac g\u1ecdi l\u00e0 Optimize \u2014 \u0111\u00e2y l\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 gi\u1ea3i ph\u00f3ng kh\u00f4ng gian l\u01b0u tr\u1eef tr\u00ean Mac c\u1ee7a b\u1ea1n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">B\u01b0\u1edbc 1: Nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng <\/span><b>Apple <\/b><span style=\"font-weight: 400;\">\u1edf g\u00f3c tr\u00ean b\u00ean tr\u00e1i v\u00e0 ch\u1ecdn &#8220;<\/span><b>About This Mac.<\/b><span style=\"font-weight: 400;\">&#8220;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">B\u01b0\u1edbc 2: Ch\u1ecdn &#8220;<\/span><b>Storage<\/b><span style=\"font-weight: 400;\">&#8221; v\u00e0 sau \u0111\u00f3 &#8220;<\/span><b>Manage<\/b><span style=\"font-weight: 400;\">&#8220;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">B\u01b0\u1edbc 3: D\u01b0\u1edbi m\u1ee5c <\/span><b>Optimize Storage<\/b><span style=\"font-weight: 400;\">, nh\u1ea5p v\u00e0o &#8220;<\/span><b>Optimize<\/b><span style=\"font-weight: 400;\">&#8221; \u0111\u1ec3 x\u00f3a c\u00e1c b\u1ed9 phim, ch\u01b0\u01a1ng tr\u00ecnh TV, v\u00e0 c\u00e1c t\u1ec7p l\u1edbn kh\u00e1c m\u00e0 b\u1ea1n \u0111\u00e3 xem.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">X\u00f3a t\u1ec7p t\u1ea1m th\u1eddi<\/span><span style=\"font-weight: 400;\">: X\u00f3a d\u1eef li\u1ec7u cache kh\u00f4ng ch\u1ec9 gi\u1ea3i ph\u00f3ng h\u00e0ng gigabyte kh\u00f4ng gian l\u01b0u tr\u1eef m\u00e0 c\u00f2n gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t Mac v\u00e0 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt. \u0110\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, h\u00e3y l\u00e0m s\u1ea1ch b\u1ed9 nh\u1edb cache c\u1ee7a tr\u00ecnh duy\u1ec7t, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch theo h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch x\u00f3a cache tr\u00ean Mac.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">X\u00f3a c\u00e1c t\u1ec7p tr\u00f9ng l\u1eb7p<\/span><span style=\"font-weight: 400;\">: X\u00f3a c\u00e1c b\u1ea3n sao kh\u00f4ng c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng r\u1ea5t nhi\u1ec1u kh\u00f4ng gian, nh\u01b0ng vi\u1ec7c n\u00e0y t\u1ed1n th\u1eddi gian n\u1ebfu l\u00e0m b\u1eb1ng tay. S\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh d\u1ecdn d\u1eb9p chuy\u00ean d\u1ee5ng kh\u00f4ng ch\u1ec9 ti\u1ebft ki\u1ec7m th\u1eddi gian m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o b\u1ea1n kh\u00f4ng x\u00f3a nh\u1ea7m c\u00e1c th\u01b0 m\u1ee5c quan tr\u1ecdng c\u00f3 t\u00ean gi\u1ed1ng nhau nh\u01b0ng n\u1ed9i dung kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G\u1ee1 c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng<\/span><span style=\"font-weight: 400;\">: Vi\u1ec7c g\u1ee1 b\u1ecf c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng c\u1ea7n thi\u1ebft tr\u00ean Mac kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u01a1n gi\u1ea3n. Xem h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft c\u00e1ch g\u1ee1 c\u00e0i \u0111\u1eb7t c\u00e1c \u1ee9ng d\u1ee5ng Mac v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00f4ng gian \u1ed5 c\u1ee9ng m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 g\u1ee1 c\u00e0i \u0111\u1eb7t b\u00ean th\u1ee9 ba. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 g\u1ee1 c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng d\u1ec5 d\u00e0ng tr\u00ean Mac v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a c\u00f4ng c\u1ee5 g\u1ee1 b\u1ecf ph\u1ea7n m\u1ec1m kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef t\u1ec7p tr\u00ean \u0111\u00e1m m\u00e2y<\/span><span style=\"font-weight: 400;\">: Ngay c\u1ea3 sau khi lo\u1ea1i b\u1ecf c\u00e1c t\u1ec7p kh\u00f4ng mong mu\u1ed1n, t\u1ea1m th\u1eddi v\u00e0 tr\u00f9ng l\u1eb7p, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng th\u00eam kh\u00f4ng gian \u0111\u0129a b\u1eb1ng c\u00e1ch t\u1ea3i c\u00e1c t\u1ec7p b\u1ea1n mu\u1ed1n gi\u1eef l\u00ean iCloud, MyDrive, ho\u1eb7c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y b\u00ean th\u1ee9 ba kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n l\u01b0u tr\u1eef v\u00e0 truy c\u1eadp t\u1ea5t c\u1ea3 t\u00e0i li\u1ec7u, \u1ea3nh v\u00e0 video c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng l\u00e0m n\u1eb7ng \u1ed5 c\u1ee9ng c\u1ee7a b\u1ea1n.<\/span><\/p>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ed7i khi ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c m\u1ed9t d\u1ecbch v\u1ee5 m\u1ea1ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi ng\u01b0\u1eddi d\u00f9ng g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c m\u1ed9t d\u1ecbch v\u1ee5 m\u1ea1ng n\u00e0o \u0111\u00f3, vi\u1ec7c x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n ch\u00ednh x\u00e1c l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 c\u00e1c c\u00e2u h\u1ecfi c\u1ea7n \u0111\u1eb7t ra \u0111\u1ec3 gi\u00fap b\u1ea1n nhanh ch\u00f3ng t\u00ecm ra v\u1ea5n \u0111\u1ec1:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i c\u01a1 b\u1ea3n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i Internet:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c thi\u1ebft b\u1ecb v\u1eadt l\u00fd<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o c\u00e1p m\u1ea1ng \u0111\u01b0\u1ee3c c\u1eafm ch\u1eb7t, modem\/router ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i Wi-Fi<\/span><span style=\"font-weight: 400;\">: N\u1ebfu s\u1eed d\u1ee5ng Wi-Fi, h\u00e3y th\u1eed k\u1ebft n\u1ed1i l\u1ea1i, ki\u1ec3m tra m\u1eadt kh\u1ea9u v\u00e0 t\u00edn hi\u1ec7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i c\u00e1c thi\u1ebft b\u1ecb<\/span><span style=\"font-weight: 400;\">: \u0110\u00f4i khi, ch\u1ec9 c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh, modem\/router l\u00e0 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra tr\u00ecnh duy\u1ec7t<\/span><span style=\"font-weight: 400;\">: Th\u1eed v\u1edbi m\u1ed9t tr\u00ecnh duy\u1ec7t kh\u00e1c \u0111\u1ec3 lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng l\u1ed7i tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">X\u00f3a cache v\u00e0 cookie<\/span><span style=\"font-weight: 400;\">: D\u1eef li\u1ec7u l\u01b0u tr\u1eef c\u00f3 th\u1ec3 g\u00e2y xung \u0111\u1ed9t, h\u00e3y x\u00f3a cache v\u00e0 cookie c\u1ee7a tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra ph\u1ea7n m\u1ec1m di\u1ec7t virus\/firewall<\/span><span style=\"font-weight: 400;\">: T\u1eaft t\u1ea1m th\u1eddi ph\u1ea7n m\u1ec1m di\u1ec7t virus\/firewall \u0111\u1ec3 xem c\u00f3 ph\u1ea3i ch\u00fang \u0111ang ch\u1eb7n k\u1ebft n\u1ed1i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 IP, DNS<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra xem m\u00e1y t\u00ednh \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP v\u00e0 DNS \u0111\u00fang ch\u01b0a.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Proxy<\/span><span style=\"font-weight: 400;\">: N\u1ebfu \u0111ang s\u1eed d\u1ee5ng proxy, h\u00e3y ki\u1ec3m tra l\u1ea1i c\u00e0i \u0111\u1eb7t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh t\u01b0\u1eddng l\u1eeda<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o t\u01b0\u1eddng l\u1eeda kh\u00f4ng ch\u1eb7n k\u1ebft n\u1ed1i \u0111\u1ebfn d\u1ecbch v\u1ee5 \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra d\u1ecbch v\u1ee5 m\u1ea1ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Tr\u1ea1ng th\u00e1i d\u1ecbch v\u1ee5<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra xem d\u1ecbch v\u1ee5 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 hay b\u1ea3o tr\u00ec kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c<\/span><span style=\"font-weight: 400;\">: Th\u1eed truy c\u1eadp c\u00e1c trang web kh\u00e1c \u0111\u1ec3 xem c\u00f3 ph\u1ea3i ch\u1ec9 ri\u00eang d\u1ecbch v\u1ee5 \u0111\u00f3 g\u1eb7p v\u1ea5n \u0111\u1ec1 hay kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111o t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 xem k\u1ebft n\u1ed1i c\u00f3 \u1ed5n \u0111\u1ecbnh kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ping<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng l\u1ec7nh ping \u0111\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a d\u1ecbch v\u1ee5.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Tracert<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng l\u1ec7nh tracert \u0111\u1ec3 theo d\u00f5i \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 t\u00ecm ra \u0111i\u1ec3m t\u1eafc ngh\u1ebdn.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">NSLOOKUP<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng l\u1ec7nh nslookup \u0111\u1ec3 ki\u1ec3m tra th\u00f4ng tin DNS.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">H\u1ecfi ng\u01b0\u1eddi d\u00f9ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Th\u1eddi \u0111i\u1ec3m x\u1ea3y ra l\u1ed7i<\/span><span style=\"font-weight: 400;\">: L\u1ed7i x\u1ea3y ra khi n\u00e0o? Li\u00ean t\u1ee5c hay ch\u1ec9 x\u1ea3y ra \u1edf m\u1ed9t th\u1eddi \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh?<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc khi x\u1ea3y ra l\u1ed7i<\/span><span style=\"font-weight: 400;\">: Ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 l\u00e0m g\u00ec tr\u01b0\u1edbc khi g\u1eb7p l\u1ed7i?<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c thi\u1ebft b\u1ecb kh\u00e1c<\/span><span style=\"font-weight: 400;\">: C\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 g\u1eb7p v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng?<\/span><\/li>\n<\/ul>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng. Khi m\u00e1y ch\u1ee7 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c t\u00ecnh tr\u1ea1ng nh\u01b0: trang web load ch\u1eadm, \u1ee9ng d\u1ee5ng ch\u1ea1y ch\u1eadm, l\u1ed7i k\u1ebft n\u1ed1i,&#8230;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">CPU<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra xem CPU c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng qu\u00e1 t\u1ea3i kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">RAM<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra xem RAM c\u00f3 \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng \u0111ang ch\u1ea1y kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u1ed4 c\u1ee9ng<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra dung l\u01b0\u1ee3ng tr\u1ed1ng, t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">M\u1ea1ng<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra b\u0103ng th\u00f4ng, \u0111\u1ed9 tr\u1ec5, g\u00f3i tin b\u1ecb m\u1ea5t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c d\u1ecbch v\u1ee5<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra xem c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, web server c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">htop (Linux)<\/span><span style=\"font-weight: 400;\">: C\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh \u0111\u1ec3 theo d\u00f5i t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">top (Linux)<\/span><span style=\"font-weight: 400;\">: T\u01b0\u01a1ng t\u1ef1 htop nh\u01b0ng c\u00f3 giao di\u1ec7n \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Task Manager (Windows)<\/span><span style=\"font-weight: 400;\">: C\u00f4ng c\u1ee5 t\u00edch h\u1ee3p trong Windows \u0111\u1ec3 theo d\u00f5i c\u00e1c ti\u1ebfn tr\u00ecnh \u0111ang ch\u1ea1y v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t chuy\u00ean d\u1ee5ng<\/span><span style=\"font-weight: 400;\">: Zabbix, Nagios, Prometheus, Grafana&#8230; cung c\u1ea5p c\u00e1c b\u00e1o c\u00e1o chi ti\u1ebft v\u00e0 tr\u1ef1c quan v\u1ec1 hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7.<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Zabbix l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u1ea1ng m\u00e3 ngu\u1ed3n m\u1edf, linh ho\u1ea1t v\u00e0 mi\u1ec5n ph\u00ed. V\u1edbi kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh cao v\u00e0 h\u1ed7 tr\u1ee3 nhi\u1ec1u n\u1ec1n t\u1ea3ng, Zabbix cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u1ee9c t\u1ea1p. Tuy nhi\u00ean, vi\u1ec7c c\u1ea5u h\u00ecnh v\u00e0 qu\u1ea3n l\u00fd Zabbix c\u00f3 th\u1ec3 kh\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nagios l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t m\u1ea1ng m\u00e3 ngu\u1ed3n m\u1edf, n\u1ed5i ti\u1ebfng v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady. V\u1edbi m\u1ed9t c\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng l\u1edbn, Nagios c\u00f3 s\u1eb5n nhi\u1ec1u plugin v\u00e0 module m\u1edf r\u1ed9ng, gi\u00fap t\u00f9y ch\u1ec9nh h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t theo nhu c\u1ea7u. Tuy nhi\u00ean, giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a Nagios c\u00f3 th\u1ec3 h\u01a1i l\u1ed7i th\u1eddi v\u00e0 ph\u1ee9c t\u1ea1p \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Prometheus n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng thu th\u1eadp v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c hi\u1ec7u qu\u1ea3. C\u00f9ng v\u1edbi ng\u00f4n ng\u1eef truy v\u1ea5n PromQL m\u1ea1nh m\u1ebd, Prometheus cho ph\u00e9p x\u00e2y d\u1ef1ng c\u00e1c dashboard tr\u1ef1c quan v\u00e0 c\u1ea3nh b\u00e1o ph\u1ee9c t\u1ea1p. Tuy nhi\u00ean, vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 c\u1ea5u h\u00ecnh Prometheus c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Grafana l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u m\u00e3 ngu\u1ed3n m\u1edf, n\u1ed5i ti\u1ebfng v\u1edbi t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao. V\u1edbi m\u1ed9t c\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng l\u1edbn, Grafana c\u00f3 s\u1eb5n nhi\u1ec1u plugin v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c ngu\u1ed3n d\u1eef li\u1ec7u kh\u00e1c nhau, gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u1ea1o ra c\u00e1c dashboard \u0111\u1eb9p m\u1eaft v\u00e0 tr\u1ef1c quan. Tuy nhi\u00ean, vi\u1ec7c c\u1ea5u h\u00ecnh v\u00e0 qu\u1ea3n l\u00fd c\u00e1c dashboard ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00e2n t\u00edch log:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Log h\u1ec7 th\u1ed1ng<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra log h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u00ecm c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i, c\u1ea3nh b\u00e1o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Log \u1ee9ng d\u1ee5ng<\/span><span style=\"font-weight: 400;\">: Ki\u1ec3m tra log c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng \u0111ang ch\u1ea1y \u0111\u1ec3 t\u00ecm ra nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i test:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Test t\u1ed1c \u0111\u1ed9<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Speedtest \u0111\u1ec3 ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 m\u1ea1ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Test t\u1ea3i<\/span><span style=\"font-weight: 400;\">: T\u1ea1o t\u1ea3i l\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 xem n\u00f3 ph\u1ea3n \u1ee9ng nh\u01b0 th\u1ebf n\u00e0o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Test stress<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea9y m\u00e1y ch\u1ee7 \u0111\u1ebfn gi\u1edbi h\u1ea1n \u0111\u1ec3 t\u00ecm ra \u0111i\u1ec3m y\u1ebfu.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_quan_tri_he_thong_va_phan_mem\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh sao l\u01b0u d\u1eef li\u1ec7u tr\u00ean Windows?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd ph\u1ea7n m\u1ec1m, gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh sao l\u01b0u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c t\u1ed5 ch\u1ee9c sao l\u01b0u t\u1ec7p, th\u01b0 m\u1ee5c v\u00e0 h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng c\u1ea7n can thi\u1ec7p th\u1ee7 c\u00f4ng, \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00f4i ph\u1ee5c nhanh ch\u00f3ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u01b0\u1eddi d\u00f9ng Windows 10 c\u00f3 nhi\u1ec1u c\u00e1ch thi\u1ebft l\u1eadp sao l\u01b0u t\u1ef1 \u0111\u1ed9ng, bao g\u1ed3m c\u00e1c t\u00f9y ch\u1ecdn mi\u1ec5n ph\u00ed nh\u01b0 File History, OneDrive v\u00e0 Windows Backup.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">File History<\/span><span style=\"font-weight: 400;\">: T\u00ednh n\u0103ng n\u00e0y t\u1ea1o sao l\u01b0u \u0111\u1ecbnh k\u1ef3 v\u00e0o \u1ed5 c\u1ee9ng ngo\u00e0i ho\u1eb7c \u1ed5 m\u1ea1ng, gi\u00fap l\u01b0u tr\u1eef nhi\u1ec1u b\u1ea3n sao theo dung l\u01b0\u1ee3ng. Sao l\u01b0u t\u1ef1 \u0111\u1ed9ng m\u1ed7i gi\u1edd nh\u01b0ng y\u00eau c\u1ea7u k\u1ebft n\u1ed1i li\u00ean t\u1ee5c v\u1edbi thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ngo\u00e0i v\u00e0 kh\u00f4ng b\u1ea3o v\u1ec7 kh\u1ecfi thi\u00ean tai hay t\u1ea5n c\u00f4ng m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">OneDrive<\/span><span style=\"font-weight: 400;\">: OneDrive l\u01b0u tr\u1eef d\u1eef li\u1ec7u tr\u00ean \u0111\u00e1m m\u00e2y, cho ph\u00e9p truy c\u1eadp t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 tr\u01b0\u1edbc thi\u00ean tai. Tuy nhi\u00ean, n\u00f3 \u0111\u1ed3ng b\u1ed9 thay \u0111\u1ed5i, ngh\u0129a l\u00e0 n\u1ebfu t\u1ec7p b\u1ecb x\u00f3a ho\u1eb7c h\u1ecfng tr\u00ean thi\u1ebft b\u1ecb ch\u00ednh, b\u1ea3n sao l\u01b0u c\u0169ng s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Windows Backup<\/span><span style=\"font-weight: 400;\">: Cho ph\u00e9p sao l\u01b0u v\u00e0o \u1ed5 \u0111\u0129a r\u1eddi ho\u1eb7c m\u00e1y ch\u1ee7 NAS. Kh\u00e1c v\u1edbi File History, Windows Backup h\u1ed7 tr\u1ee3 kh\u00f4i ph\u1ee5c t\u1ec7p c\u00e0i \u0111\u1eb7t, nh\u01b0ng ch\u1ec9 sao l\u01b0u m\u1ed9t l\u1ea7n m\u1ed7i ng\u00e0y, ph\u00f9 h\u1ee3p cho sao l\u01b0u to\u00e0n b\u1ed9 v\u00e0 l\u01b0u tr\u1eef d\u00e0i h\u1ea1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ea7n m\u1ec1m sao l\u01b0u t\u1ef1 \u0111\u1ed9ng<\/span><span style=\"font-weight: 400;\">: C\u00e1c ph\u1ea7n m\u1ec1m sao l\u01b0u chuy\u00ean d\u1ee5ng cho ph\u00e9p l\u1eadp l\u1ecbch sao l\u01b0u \u0111\u1ecbnh k\u1ef3 v\u00e0 t\u1ef1 \u0111\u1ed9ng. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng kh\u00f4i ph\u1ee5c t\u1eeb t\u1ec7p \u0111\u01a1n l\u1ebb \u0111\u1ebfn to\u00e0n b\u1ed9 d\u1eef li\u1ec7u v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd, gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 m\u00e0 \u00edt c\u1ea7n can thi\u1ec7p th\u1ee7 c\u00f4ng.<\/span><\/li>\n<\/ul>\n<h3><b>M\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o h\u00f3a<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u1ea3o h\u00f3a l\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o ra c\u00e1c m\u00e1y \u1ea3o (virtual machine &#8211; VM) ch\u1ea1y tr\u00ean m\u1ed9t n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u00e1y ch\u1ee7, t\u0103ng t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh tri\u1ec3n khai v\u00e0 c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 \u1ea3o h\u00f3a th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1ecdn ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Hypervisor: \u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u ph\u1ed1i c\u00e1c m\u00e1y \u1ea3o. C\u00f3 hai lo\u1ea1i hypervisor ch\u00ednh:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Type 1 (bare-metal): C\u00e0i \u0111\u1eb7t tr\u1ef1c ti\u1ebfp l\u00ean ph\u1ea7n c\u1ee9ng, kh\u00f4ng c\u1ea7n h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u1ee7. V\u00ed d\u1ee5: VMware ESXi, Microsoft Hyper-V.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Type 2: Ch\u1ea1y nh\u01b0 m\u1ed9t \u1ee9ng d\u1ee5ng tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u1ee7. V\u00ed d\u1ee5: VirtualBox, VMware Workstation.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc khi ch\u1ecdn:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng: C\u00e1c t\u00ednh n\u0103ng nh\u01b0 qu\u1ea3n l\u00fd l\u01b0u tr\u1eef, m\u1ea1ng, snapshot, high availability.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t: Kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u m\u00e1y \u1ea3o \u0111\u1ed3ng th\u1eddi.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Gi\u00e1 c\u1ea3: Chi ph\u00ed b\u1ea3n quy\u1ec1n v\u00e0 c\u00e1c chi ph\u00ed li\u00ean quan.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t hypervisor:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Chu\u1ea9n b\u1ecb ph\u1ea7n c\u1ee9ng: \u0110\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 c\u00f3 \u0111\u1ee7 t\u00e0i nguy\u00ean (CPU, RAM, \u1ed5 c\u1ee9ng) \u0111\u1ec3 ch\u1ea1y hypervisor v\u00e0 c\u00e1c m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">T\u1ea3i xu\u1ed1ng v\u00e0 c\u00e0i \u0111\u1eb7t: T\u1ea3i xu\u1ed1ng file c\u00e0i \u0111\u1eb7t c\u1ee7a hypervisor t\u1eeb trang web c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 th\u1ef1c hi\u1ec7n theo h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u1ea1o kho l\u01b0u tr\u1eef:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Kho l\u01b0u tr\u1eef (datastore): L\u00e0 n\u01a1i l\u01b0u tr\u1eef c\u00e1c file c\u1ea5u h\u00ecnh, \u0111\u0129a \u1ea3o c\u1ee7a m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Lo\u1ea1i kho l\u01b0u tr\u1eef: C\u00f3 th\u1ec3 l\u00e0 \u1ed5 c\u1ee9ng c\u1ee5c b\u1ed9, SAN, NAS ho\u1eb7c cloud storage.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u1ea1o m\u00e1y \u1ea3o:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh m\u00e1y \u1ea3o:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">CPU: C\u1ea5p ph\u00e1t s\u1ed1 l\u01b0\u1ee3ng CPU v\u00e0 t\u1ed1c \u0111\u1ed9 cho m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">RAM: C\u1ea5p ph\u00e1t dung l\u01b0\u1ee3ng RAM cho m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u1ed4 c\u1ee9ng: T\u1ea1o \u0111\u0129a \u1ea3o v\u00e0 ch\u1ec9 \u0111\u1ecbnh dung l\u01b0\u1ee3ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">M\u1ea1ng: C\u1ea5u h\u00ecnh card m\u1ea1ng v\u00e0 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng v\u1eadt l\u00fd.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh: Ch\u1ecdn h\u1ec7 \u0111i\u1ec1u h\u00e0nh mu\u1ed1n c\u00e0i \u0111\u1eb7t cho m\u00e1y \u1ea3o v\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t gi\u1ed1ng nh\u01b0 tr\u00ean m\u00e1y v\u1eadt l\u00fd.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh m\u1ea1ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">M\u1ea1ng \u1ea3o: T\u1ea1o c\u00e1c m\u1ea1ng \u1ea3o \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y \u1ea3o v\u1edbi nhau.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Router \u1ea3o: S\u1eed d\u1ee5ng router \u1ea3o \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn gi\u1eefa c\u00e1c m\u1ea1ng \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Switch \u1ea3o: S\u1eed d\u1ee5ng switch \u1ea3o \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y \u1ea3o v\u1edbi nhau.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd m\u00e1y \u1ea3o:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Giao di\u1ec7n qu\u1ea3n l\u00fd: S\u1eed d\u1ee5ng giao di\u1ec7n web ho\u1eb7c client \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c t\u00e1c v\u1ee5 qu\u1ea3n l\u00fd:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">B\u1eadt\/t\u1eaft m\u00e1y \u1ea3o: Kh\u1edfi \u0111\u1ed9ng, t\u1eaft, kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y \u1ea3o.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Sao l\u01b0u\/kh\u00f4i ph\u1ee5c: Sao l\u01b0u tr\u1ea1ng th\u00e1i c\u1ee7a m\u00e1y \u1ea3o \u0111\u1ec3 ph\u1ee5c h\u1ed3i khi c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Di chuy\u1ec3n m\u00e1y \u1ea3o: Di chuy\u1ec3n m\u00e1y \u1ea3o gi\u1eefa c\u00e1c host.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Snapshot: T\u1ea1o \u1ea3nh ch\u1ee5p nhanh c\u1ee7a m\u00e1y \u1ea3o \u0111\u1ec3 quay l\u1ea1i tr\u1ea1ng th\u00e1i tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">VMware vSphere: M\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng \u1ea3o h\u00f3a ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Microsoft Hyper-V: N\u1ec1n t\u1ea3ng \u1ea3o h\u00f3a t\u00edch h\u1ee3p trong Windows Server.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">VirtualBox: Ph\u1ea7n m\u1ec1m \u1ea3o h\u00f3a mi\u1ec5n ph\u00ed, d\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">OpenStack: N\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y ngu\u1ed3n m\u1edf.<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0o \u0111\u1ec3 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea7n m\u1ec1m?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t ph\u1ea7n m\u1ec1m ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o quy m\u00f4, ph\u1ee9c t\u1ea1p c\u1ee7a \u1ee9ng d\u1ee5ng, ng\u00e2n s\u00e1ch v\u00e0 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, c\u00f9ng v\u1edbi \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng (APM &#8211; Application Performance Monitoring):<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u00e0 l\u1ed7i.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: Th\u00f4ng th\u01b0\u1eddng c\u00f3 chi ph\u00ed cao, \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u \u0111\u1ec3 c\u1ea5u h\u00ecnh v\u00e0 s\u1eed d\u1ee5ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Dynatrace: \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch root cause v\u00e0 AI.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">AppDynamics: T\u00edch h\u1ee3p s\u00e2u v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng cloud, cung c\u1ea5p tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">New Relic: Giao di\u1ec7n tr\u1ef1c quan, d\u1ec5 s\u1eed d\u1ee5ng, h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ng\u00f4n ng\u1eef v\u00e0 framework.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Datadog: T\u00edch h\u1ee3p v\u1edbi nhi\u1ec1u d\u1ecbch v\u1ee5 cloud, cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng gi\u00e1m s\u00e1t \u0111a d\u1ea1ng.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 theo d\u00f5i ph\u00e2n t\u00e1n (Distributed Tracing):<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Gi\u00fap theo d\u00f5i c\u00e1c y\u00eau c\u1ea7u qua nhi\u1ec1u d\u1ecbch v\u1ee5, x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ch\u1eadm tr\u1ec5.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: C\u1ea7n c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi APM.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Jaeger: \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Uber, m\u00e3 ngu\u1ed3n m\u1edf, d\u1ec5 t\u00f9y ch\u1ec9nh.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Zipkin: \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Twitter, h\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">OpenTelemetry: M\u1ed9t d\u1ef1 \u00e1n m\u1edf nh\u1eb1m th\u1ed1ng nh\u1ea5t c\u00e1c ti\u00eau chu\u1ea9n theo d\u00f5i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Gi\u00fap theo d\u00f5i t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng (CPU, RAM, \u1ed5 c\u1ee9ng, m\u1ea1ng), ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u1ea7n c\u1ee9ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: Kh\u00f4ng cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Zabbix: M\u00e3 ngu\u1ed3n m\u1edf, linh ho\u1ea1t, c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh cao.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nagios: M\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng l\u00e2u \u0111\u1eddi nh\u1ea5t, \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Prometheus: H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u00f4i tr\u01b0\u1eddng container.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 log:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m: Gi\u00fap thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch log c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u1ec3 t\u00ecm ra c\u00e1c v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m: C\u1ea7n c\u1ea5u h\u00ecnh v\u00e0 qu\u1ea3n l\u00fd log, \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng ph\u00e2n t\u00edch log.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">ELK Stack: Elasticsearch, Logstash, Kibana.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Splunk: C\u00f4ng c\u1ee5 ph\u00e2n t\u00edch log m\u1ea1nh m\u1ebd, th\u01b0\u01a1ng m\u1ea1i.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>B\u1ea1n s\u1ebd l\u00e0m g\u00ec n\u1ebfu qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c th\u1ea5t b\u1ea1i?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c th\u01b0\u1eddng xuy\u00ean trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng m\u00e1y t\u00ednh. Tuy nhi\u00ean, \u0111\u00f4i khi b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nh\u1eefng l\u1ed7i kh\u00f4ng mong mu\u1ed1n khi\u1ebfn qu\u00e1 tr\u00ecnh n\u00e0y b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110\u1eebng lo l\u1eafng, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n m\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c ph\u1ed5 bi\u1ebfn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ea1i c\u00e1c y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng<\/span><span style=\"font-weight: 400;\">: \u0110i\u1ec1u \u0111\u1ea7u ti\u00ean c\u1ea7n l\u00e0m l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u1ea5u h\u00ecnh m\u00e0 ph\u1ea7n m\u1ec1m y\u00eau c\u1ea7u. H\u00e3y ki\u1ec3m tra l\u1ea1i c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh: Ph\u1ea7n m\u1ec1m c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi phi\u00ean b\u1ea3n Windows\/macOS c\u1ee7a b\u1ea1n kh\u00f4ng?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">B\u1ed9 vi x\u1eed l\u00fd: CPU c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ch\u1ea1y ph\u1ea7n m\u1ec1m?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">RAM: M\u00e1y t\u00ednh c\u00f3 \u0111\u1ee7 RAM \u0111\u1ec3 ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng: B\u1ea1n c\u00f3 \u0111\u1ee7 kh\u00f4ng gian tr\u1ed1ng \u0111\u1ec3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m?<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: M\u1ed9t k\u1ebft n\u1ed1i m\u1ea1ng \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t di\u1ec5n ra su\u00f4n s\u1ebb. H\u00e3y ki\u1ec3m tra l\u1ea1i:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i Internet: \u0110\u1ea3m b\u1ea3o b\u1ea1n \u0111\u00e3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng v\u00e0 c\u00f3 t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">T\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus: T\u1ea1m th\u1eddi t\u1eaft c\u00e1c ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u1ec3 xem ch\u00fang c\u00f3 \u0111ang ch\u1eb7n qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra file c\u00e0i \u0111\u1eb7t<\/span><span style=\"font-weight: 400;\">: File c\u00e0i \u0111\u1eb7t b\u1ecb h\u1ecfng ho\u1eb7c kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i. H\u00e3y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ea1i k\u00edch th\u01b0\u1edbc file: \u0110\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc file c\u00e0i \u0111\u1eb7t b\u1ea1n t\u1ea3i v\u1ec1 \u0111\u00fang v\u1edbi th\u00f4ng tin tr\u00ean trang ch\u1ee7 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a file: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra hash \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o file kh\u00f4ng b\u1ecb l\u1ed7i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh<\/span><span style=\"font-weight: 400;\">: M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 l\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh. \u0110\u00f4i khi, c\u00e1c l\u1ed7i t\u1ea1m th\u1eddi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch l\u00e0m m\u1edbi h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n c\u00e0i \u0111\u1eb7t l\u1ea1i<\/span><span style=\"font-weight: 400;\">: N\u1ebfu c\u00e1c c\u00e1ch tr\u00ean kh\u00f4ng hi\u1ec7u qu\u1ea3, h\u00e3y th\u1eed x\u00f3a b\u1ecf ho\u00e0n to\u00e0n c\u00e1c file c\u00e0i \u0111\u1eb7t c\u0169 v\u00e0 th\u1ef1c hi\u1ec7n l\u1ea1i qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch<\/span><span style=\"font-weight: 400;\">: \u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n m\u1ec1m c\u0169, h\u00e3y th\u1eed ch\u1ea1y ch\u00fang \u1edf ch\u1ebf \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch v\u1edbi phi\u00ean b\u1ea3n Windows tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00ecm ki\u1ebfm tr\u1ee3 gi\u00fap<\/span><span style=\"font-weight: 400;\">: N\u1ebfu b\u1ea1n v\u1eabn g\u1eb7p kh\u00f3 kh\u0103n, h\u00e3y t\u00ecm ki\u1ebfm th\u00f4ng tin tr\u00ean c\u00e1c di\u1ec5n \u0111\u00e0n, trang h\u1ed7 tr\u1ee3 ho\u1eb7c li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea7n m\u1ec1m.<\/span><\/p>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1ebft (downtime) khi tri\u1ec3n khai ho\u1eb7c n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3 nh\u1eefng c\u00e1ch \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1ebft khi tri\u1ec3n khai ho\u1eb7c n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u00e1t nh\u1eadp \u0111\u00e1m m\u00e2y (Cloud adoption): <\/span><span style=\"font-weight: 400;\">C\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y nh\u01b0 AWS, Azure, v\u00e0 VNG Cloud cung c\u1ea5p \u0111\u1ed9 tin c\u1eady cao v\u1edbi cam k\u1ebft uptime qua c\u00e1c th\u1ecfa thu\u1eadn SLA. Ch\u00fang gi\u00fap thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc v\u00e0 gi\u1ea3m g\u00e1nh n\u1eb7ng cho \u0111\u1ed9i ng\u0169 IT c\u1ee7a b\u1ea1n. M\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o uptime tuy\u1ec7t \u0111\u1ed1i, c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y th\u01b0\u1eddng cam k\u1ebft kh\u1ea3 n\u0103ng c\u00f3 s\u1eb5n tr\u00ean 90%.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng nhi\u1ec1u phi\u00ean b\u1ea3n:<\/span><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng nhi\u1ec1u phi\u00ean b\u1ea3n v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Docker v\u00e0 Kubernetes ho\u1eb7c OpenShift gi\u00fap duy tr\u00ec t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a \u1ee9ng d\u1ee5ng ngay c\u1ea3 khi c\u00f3 s\u1ef1 c\u1ed1. C\u00e1c chi\u1ebfn l\u01b0\u1ee3c nh\u01b0 Rolling Update ho\u1eb7c Blue-Green Deployment cho ph\u00e9p c\u1eadp nh\u1eadt m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea3i thi\u1ec7n tri\u1ec3n khai v\u1edbi CI\/CD:<\/span><span style=\"font-weight: 400;\"> CI\/CD (T\u00edch h\u1ee3p li\u00ean t\u1ee5c v\u00e0 Cung c\u1ea5p li\u00ean t\u1ee5c) t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh tri\u1ec3n khai v\u00e0 ki\u1ec3m tra, gi\u1ea3m r\u1ee7i ro v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. T\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh gi\u00fap ng\u0103n l\u1ed7i do con ng\u01b0\u1eddi v\u00e0 theo d\u00f5i t\u1ea7n su\u1ea5t tri\u1ec3n khai \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 s\u1edbm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u \u0111\u1ecbnh k\u1ef3 v\u00e0 kh\u00f4i ph\u1ee5c th\u1ea3m h\u1ecda:<\/span><span style=\"font-weight: 400;\"> Gi\u1eef \u00edt nh\u1ea5t ba b\u1ea3n sao d\u1eef li\u1ec7u, bao g\u1ed3m m\u1ed9t b\u1ea3n sao ngo\u00e0i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u00ednh, gi\u00fap gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 c\u1ed1. K\u1ebft h\u1ee3p sao l\u01b0u \u0111\u00e1m m\u00e2y v\u00e0 t\u1ea1i ch\u1ed7 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng uptime v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u1ea3i (load testing):<\/span><span style=\"font-weight: 400;\"> Ki\u1ec3m tra t\u1ea3i \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 chu\u1ea9n b\u1ecb cho c\u00e1c t\u00ecnh hu\u1ed1ng kh\u1ee7ng ho\u1ea3ng. X\u00e1c \u0111\u1ecbnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c n\u00fat th\u1eaft c\u1ed5 chai l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/span><span style=\"font-weight: 400;\"> Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u0103ng tr\u01b0\u1edfng. S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 thu\u1eadt to\u00e1n hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m r\u1ee7i ro downtime v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p:<\/span><span style=\"font-weight: 400;\"> Tr\u00e1nh s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u h\u1ec7 th\u1ed1ng v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c nhau. Ch\u1ecdn c\u00e1c gi\u1ea3i ph\u00e1p t\u01b0\u01a1ng th\u00edch t\u1eeb c\u00f9ng m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u1ec3 gi\u1ea3m ph\u1ee9c t\u1ea1p v\u00e0 l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00e1m s\u00e1t v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n c\u1ee9ng:<\/span><span style=\"font-weight: 400;\"> Theo d\u00f5i v\u00e0 b\u1ea3o tr\u00ec ph\u1ea7n c\u1ee9ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi ph\u1ea7n m\u1ec1m m\u1edbi. N\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng k\u1ecbp th\u1eddi ho\u1eb7c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y n\u1ebfu c\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o tr\u00ec c\u1ea9n th\u1eadn<\/span><span style=\"font-weight: 400;\">: B\u1ea3o tr\u00ec ph\u1ea7n m\u1ec1m l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru. Bao g\u1ed3m s\u1eeda l\u1ed7i, c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng:<\/span><span style=\"font-weight: 400;\"> B\u1ea3o m\u1eadt m\u1ea1ng quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh t\u1ea5n c\u00f4ng v\u00e0 r\u1ee7i ro. Th\u1ef1c hi\u1ec7n ki\u1ec3m tra b\u1ea3o m\u1eadt v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba nh\u01b0 t\u01b0\u1eddng l\u1eeda v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_he_thong_dam_may\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u00e1m m\u00e2y<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tri\u1ec3n khai m\u1ed9t \u1ee9ng d\u1ee5ng tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng cloud nh\u01b0 AWS, Azure hay Google Cloud?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng \u0111\u00e1m m\u00e2y, hay c\u00f2n g\u1ecdi l\u00e0 \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, l\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1y ch\u1ee7 t\u1eeb xa v\u00e0 truy c\u1eadp qua Internet. Kh\u00e1c v\u1edbi ph\u1ea7n m\u1ec1m truy\u1ec1n th\u1ed1ng c\u00e0i \u0111\u1eb7t tr\u00ean thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n ho\u1eb7c m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9, \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 t\u00e0i nguy\u00ean c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y \u0111\u1ec3 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y, b\u1ea1n c\u1ea7n tu\u00e2n theo quy tr\u00ecnh sau:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh M\u1ee5c ti\u00eau v\u00e0 M\u1ee5c \u0111\u00edch<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh m\u1ee5c \u0111\u00edch \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00f3 s\u1ebd gi\u1ea3i quy\u1ebft.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau v\u00e0 nhu c\u1ea7u c\u1ee7a h\u1ecd.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ch\u1ecdn N\u1ec1n t\u1ea3ng \u0110\u00e1m m\u00e2y<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ch\u1ecdn nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y ph\u00f9 h\u1ee3p v\u1edbi d\u1ef1 \u00e1n v\u00e0 ng\u00e2n s\u00e1ch, nh\u01b0 AWS, Microsoft Azure, hay Google Cloud.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Xem x\u00e9t kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, d\u1ecbch v\u1ee5 cung c\u1ea5p, gi\u00e1 c\u1ea3 v\u00e0 khu v\u1ef1c \u0111\u1ecba l\u00fd.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf Ki\u1ebfn tr\u00fac \u1ee8ng d\u1ee5ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac t\u1ed5ng th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng, bao g\u1ed3m c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 v\u00e0 m\u1ea1ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, d\u1ef1 ph\u00f2ng v\u00e0 \u0111\u1ed9 ch\u1ecbu l\u1ed7i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ch\u1ecdn C\u00f4ng c\u1ee5 v\u00e0 C\u00f4ng ngh\u1ec7 Ph\u00e1t tri\u1ec3n<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">L\u1ef1a ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, khung c\u00f4ng t\u00e1c v\u00e0 c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n ph\u00f9 h\u1ee3p.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u00a0\u0110\u1ea3m b\u1ea3o \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n c\u00f3 k\u1ef9 n\u0103ng trong c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n v\u00e0 L\u1eadp tr\u00ecnh<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Vi\u1ebft m\u00e3 theo thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t nh\u01b0 \u0111\u00e1nh gi\u00e1 m\u00e3 v\u00e0 ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m th\u1eed v\u00e0 \u0110\u1ea3m b\u1ea3o Ch\u1ea5t l\u01b0\u1ee3ng<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n ki\u1ec3m th\u1eed to\u00e0n di\u1ec7n nh\u01b0 ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb, t\u00edch h\u1ee3p v\u00e0 ch\u1ea5p nh\u1eadn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda l\u1ed7i k\u1ecbp th\u1eddi, ki\u1ec3m tra hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Tri\u1ec3n khai<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Tri\u1ec3n khai \u1ee9ng d\u1ee5ng l\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh tri\u1ec3n khai b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 AWS Elastic Beanstalk ho\u1eb7c Kubernetes.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Gi\u00e1m s\u00e1t v\u00e0 T\u1ed1i \u01b0u h\u00f3a<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t, h\u00e0nh vi ng\u01b0\u1eddi d\u00f9ng v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t v\u00e0 ph\u1ea3n h\u1ed3i c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">M\u1edf r\u1ed9ng<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp c\u01a1 ch\u1ebf t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0110i\u1ec1u ch\u1ec9nh t\u00e0i nguy\u00ean \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 Kh\u00f4i ph\u1ee5c Th\u1ea3m h\u1ecda<\/span><span style=\"font-weight: 400;\">: Thi\u1ebft l\u1eadp chi\u1ebfn l\u01b0\u1ee3c sao l\u01b0u v\u00e0 k\u1ebf ho\u1ea1ch kh\u00f4i ph\u1ee5c th\u1ea3m h\u1ecda \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt<\/span><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt v\u00e0 v\u00e1 l\u1ed7i ph\u1ea7n m\u1ec1m, tri\u1ec3n khai ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0 b\u1ea3o m\u1eadt.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n ki\u1ec3m to\u00e1n b\u1ea3o m\u1eadt v\u00e0 ki\u1ec3m tra th\u00e2m nh\u1eadp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u v\u00e0 Chia s\u1ebb Ki\u1ebfn th\u1ee9c<\/span><span style=\"font-weight: 400;\">: Duy tr\u00ec t\u00e0i li\u1ec7u chi ti\u1ebft v\u00e0 khuy\u1ebfn kh\u00edch chia s\u1ebb ki\u1ebfn th\u1ee9c trong \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n v\u00e0 v\u1eadn h\u00e0nh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt v\u00e0 C\u1ea3i ti\u1ebfn Li\u00ean t\u1ee5c<\/span><span style=\"font-weight: 400;\">: L\u00ean k\u1ebf ho\u1ea1ch cho c\u00e1c c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 v\u00e0 c\u1ea3i ti\u1ebfn \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean ph\u1ea3n h\u1ed3i v\u00e0 ph\u00e2n t\u00edch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tu\u00e2n th\u1ee7 v\u00e0 Quy \u0111\u1ecbnh<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh ng\u00e0nh v\u00e0 lu\u1eadt b\u1ea3o m\u1eadt d\u1eef li\u1ec7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y l\u00e0 m\u1ed9t quy tr\u00ecnh li\u00ean t\u1ee5c y\u00eau c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 c\u1ea3i ti\u1ebfn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng.<\/span><\/p>\n<h3><b>B\u1ea1n s\u1ebd l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed khi s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 cloud?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed \u0111\u00e1m m\u00e2y l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn chi\u1ebfn l\u01b0\u1ee3c nh\u1eb1m ki\u1ec3m so\u00e1t v\u00e0 gi\u1ea3m chi ph\u00ed d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean, ph\u00e1t hi\u1ec7n s\u1ef1 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 lo\u1ea1i b\u1ecf l\u00e3ng ph\u00ed. M\u1ee5c ti\u00eau l\u00e0 t\u1ed1i \u0111a h\u00f3a gi\u00e1 tr\u1ecb c\u1ee7a chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0o \u0111\u00e1m m\u00e2y b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3, \u0111\u1ed3ng th\u1eddi c\u00e2n b\u1eb1ng chi ph\u00ed v\u1edbi hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ed1i \u01b0u ho\u00e1 chi ph\u00ed khi s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00eau d\u01b0\u1edbi \u0111\u00e2y:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Xem x\u00e9t th\u00f4ng tin gi\u00e1 c\u1ea3 v\u00e0 thanh to\u00e1n: C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y cung c\u1ea5p chi ti\u1ebft h\u00f3a \u0111\u01a1n v\u1ec1 chi ph\u00ed v\u00e0 m\u1ee9c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5. Ph\u00e2n t\u00edch th\u00f4ng tin n\u00e0y gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c chi ph\u00ed cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Vi\u1ec7c n\u00e0y gi\u00fap \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh chi ti\u00eau h\u1ee3p l\u00fd v\u00e0 tr\u00e1nh tr\u1ea3 ti\u1ec1n cho t\u00e0i nguy\u00ean d\u01b0 th\u1eeba.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t ng\u00e2n s\u00e1ch: L\u1eadp ng\u00e2n s\u00e1ch l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 k\u1ebf ho\u1ea1ch h\u00f3a chi\u1ebfn l\u01b0\u1ee3c \u0111\u00e1m m\u00e2y, trung t\u00e2m chi ph\u00ed v\u00e0 t\u00ednh to\u00e1n t\u1ed5ng th\u1ec3. \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec1u hi\u1ec3u m\u1ee5c ti\u00eau v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a t\u1eebng d\u1ef1 \u00e1n, d\u1ef1a tr\u00ean y\u00eau c\u1ea7u \u0111\u00f3ng g\u00f3i v\u00e0 ph\u00e2n ph\u1ed1i s\u1ea3n ph\u1ea9m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh t\u00e0i nguy\u00ean kh\u00f4ng s\u1eed d\u1ee5ng: C\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 c\u1ea5p ph\u00e1t m\u00e1y ch\u1ee7 t\u1ea1m th\u1eddi cho c\u00e1c nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3 v\u00e0 qu\u00ean g\u1ee1 b\u1ecf ch\u00fang khi c\u00f4ng vi\u1ec7c ho\u00e0n t\u1ea5t. Nh\u1eefng t\u00e0i nguy\u00ean kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00f3a \u0111\u01a1n cao. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u00e0i nguy\u00ean kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m chi ph\u00ed kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh t\u00e0i nguy\u00ean nh\u00e0n r\u1ed7i: C\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y t\u00ednh ph\u00ed cho c\u00e1c t\u00e0i nguy\u00ean nh\u00e0n r\u1ed7i, ngay c\u1ea3 khi kh\u00f4ng s\u1eed d\u1ee5ng. T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed b\u1eb1ng c\u00e1ch t\u00ecm v\u00e0 h\u1ee3p nh\u1ea5t c\u00e1c t\u00e0i nguy\u00ean nh\u00e0n r\u1ed7i. V\u00ed d\u1ee5, n\u1ebfu m\u1ee9c s\u1eed d\u1ee5ng CPU c\u1ee7a b\u1ea1n l\u00e0 10% nh\u01b0ng b\u1ea1n b\u1ecb t\u00ednh ph\u00ed cho 100%, b\u1ea1n \u0111ang l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean \u0111\u00e1ng k\u1ec3. S\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng \u0111\u00e1m m\u00e2y nh\u01b0 t\u1ef1 \u0111\u1ed9ng m\u1edf r\u1ed9ng v\u00e0 c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh dung l\u01b0\u1ee3ng khi c\u1ea7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc d\u1ecbch v\u1ee5: \u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc cho ph\u00e9p b\u1ea1n ph\u00e2n t\u00edch v\u00e0 s\u1eeda \u0111\u1ed5i c\u00e1c d\u1ecbch v\u1ee5 m\u00e1y t\u00ednh \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc \u0111\u1ec3 nh\u1eadn c\u00e1c khuy\u1ebfn ngh\u1ecb ph\u00f9 h\u1ee3p v\u00e0 gi\u1ea3m chi ph\u00ed, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n d\u1ef1 tr\u1eef: C\u00e1c phi\u00ean b\u1ea3n d\u1ef1 tr\u1eef (RI) l\u00e0 c\u00e1c phi\u00ean b\u1ea3n m\u00e1y t\u00ednh tr\u1ea3 tr\u01b0\u1edbc v\u1edbi m\u1ee9c gi\u1ea3m gi\u00e1 \u0111\u00e1ng k\u1ec3, l\u00ean \u0111\u1ebfn 75%. B\u1ea1n c\u1ea7n nghi\u00ean c\u1ee9u v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1a tr\u00ean vi\u1ec7c s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n trong qu\u00e1 kh\u1ee9. C\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y nh\u01b0 Amazon Web Services c\u0169ng cung c\u1ea5p c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh K\u1ebf ho\u1ea1ch Ti\u1ebft ki\u1ec7m v\u1edbi m\u1ee9c gi\u1ea3m gi\u00e1 t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng cho ph\u00e9p s\u1eed d\u1ee5ng linh ho\u1ea1t h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng K\u1ebf ho\u1ea1ch Ti\u1ebft ki\u1ec7m: M\u00f4 h\u00ecnh gi\u00e1 K\u1ebf ho\u1ea1ch Ti\u1ebft ki\u1ec7m gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m l\u00ean \u0111\u1ebfn 70% chi ph\u00ed AWS. M\u00f4 h\u00ecnh n\u00e0y cung c\u1ea5p m\u1ee9c gi\u00e1 th\u1ea5p \u1ed5n \u0111\u1ecbnh d\u1ef1a tr\u00ean cam k\u1ebft m\u1ed9t n\u0103m ho\u1eb7c ba n\u0103m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng phi\u00ean b\u1ea3n Spot: AWS \u0111\u1ea5u gi\u00e1 t\u00e0i nguy\u00ean d\u01b0 th\u1eeba v\u1edbi gi\u00e1 th\u1ea5p, nh\u01b0ng c\u00e1c phi\u00ean b\u1ea3n n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 s\u1eb5n v\u00e0 c\u00f3 th\u1ec3 h\u1ebft h\u00e0ng nhanh ch\u00f3ng. Phi\u00ean b\u1ea3n Spot ph\u00f9 h\u1ee3p cho c\u00e1c c\u00f4ng vi\u1ec7c batch ho\u1eb7c c\u00e1c c\u00f4ng vi\u1ec7c c\u00f3 th\u1ec3 d\u1eebng ngay l\u1eadp t\u1ee9c, kh\u00f4ng ph\u00f9 h\u1ee3p cho c\u00e1c nhi\u1ec7m v\u1ee5 quan tr\u1ecdng ho\u1eb7c ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n ph\u00ed chuy\u1ec3n d\u1eef li\u1ec7u: Di chuy\u1ec3n d\u1eef li\u1ec7u \u0111\u1ebfn v\u00e0 t\u1eeb \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m. C\u00e1c nh\u00e0 cung c\u1ea5p th\u01b0\u1eddng t\u00ednh ph\u00ed d\u1eef li\u1ec7u \u0111\u1ec3 chuy\u1ec3n d\u1eef li\u1ec7u t\u1eeb n\u1ec1n t\u1ea3ng c\u1ee7a h\u1ecd ho\u1eb7c gi\u1eefa c\u00e1c v\u00f9ng. Gi\u1ea3m chi ph\u00ed di chuy\u1ec3n b\u1eb1ng c\u00e1ch tr\u00e1nh c\u00e1c chuy\u1ec3n d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn tri\u1ec3n khai \u0111\u01a1n ho\u1eb7c \u0111a \u0111\u00e1m m\u00e2y: Tri\u1ec3n khai \u0111a \u0111\u00e1m m\u00e2y gi\u00fap tr\u00e1nh b\u1ecb r\u00e0ng bu\u1ed9c v\u1edbi nh\u00e0 cung c\u1ea5p v\u00e0 t\u0103ng t\u00ednh kh\u1ea3 d\u1ee5ng nh\u01b0ng c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m. V\u1edbi m\u1ed9t nh\u00e0 cung c\u1ea5p, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng gi\u1ea3m gi\u00e1 t\u1eeb c\u00e1c giao d\u1ecbch l\u1edbn. \u0110\u00e1nh gi\u00e1 xem m\u00f4i tr\u01b0\u1eddng \u0111\u01a1n nh\u00e0 cung c\u1ea5p hay \u0111a \u0111\u00e1m m\u00e2y ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nhu c\u1ea7u c\u1ee7a t\u1ed5 ch\u1ee9c b\u1ea1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Theo d\u00f5i s\u1ef1 b\u1ea5t th\u01b0\u1eddng v\u1ec1 chi ph\u00ed: S\u1eed d\u1ee5ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Qu\u1ea3n l\u00fd Chi ph\u00ed \u0111\u1ec3 thi\u1ebft l\u1eadp ng\u00e2n s\u00e1ch, d\u1ef1 \u0111o\u00e1n v\u00e0 qu\u1ea3n l\u00fd chi ph\u00ed \u0111\u00e1m m\u00e2y. T\u00ednh n\u0103ng Ph\u00e1t hi\u1ec7n S\u1ef1 B\u1ea5t Th\u01b0\u1eddng gi\u00fap theo d\u00f5i vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 chi ph\u00ed, ph\u00e1t hi\u1ec7n s\u1ef1 b\u1ea5t th\u01b0\u1eddng v\u00e0 chi ph\u00ed trong t\u01b0\u01a1ng lai.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn l\u01b0u tr\u1eef ph\u00f9 h\u1ee3p: AWS v\u00e0 c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y kh\u00e1c cung c\u1ea5p nhi\u1ec1u c\u1ea5p \u0111\u1ed9 l\u01b0u tr\u1eef v\u1edbi chi ph\u00ed kh\u00e1c nhau. Ch\u1ecdn c\u1ea5p \u0111\u1ed9 l\u01b0u tr\u1eef ph\u00f9 h\u1ee3p l\u00e0 quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh chi ti\u00eau qu\u00e1 m\u1ee9c.<\/span><\/li>\n<\/ul>\n<h3><b>Gi\u1ea3i th\u00edch v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Infrastructure as a Service (IaaS), Platform as a Service (PaaS), v\u00e0 Software as a Service (SaaS)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">IaaS: H\u1ea1 t\u1ea7ng D\u01b0\u1edbi D\u1ea1ng D\u1ecbch V\u1ee5 (Infrastructure as a Service &#8211; IaaS) cung c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u00e1y t\u00ednh theo y\u00eau c\u1ea7u, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thu\u00ea m\u00e1y ch\u1ee7, ph\u1ea7n m\u1ec1m, v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng qua m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 thu\u00ea ngo\u00e0i. \u0110\u00e2y l\u00e0 m\u1ed9t trong ba m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y ch\u00ednh, cho ph\u00e9p m\u1edf r\u1ed9ng linh ho\u1ea1t v\u00e0 ph\u00e2n ph\u1ed1i t\u00e0i nguy\u00ean cho nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed9t ph\u1ea7n c\u1ee9ng duy nh\u1ea5t. IaaS y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn t\u00e0i nguy\u00ean theo nhu c\u1ea7u v\u00e0 cung c\u1ea5p qu\u1ea3n l\u00fd h\u00f3a \u0111\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">PaaS: N\u1ec1n T\u1ea3ng D\u01b0\u1edbi D\u1ea1ng D\u1ecbch V\u1ee5 (Platform as a Service &#8211; PaaS) l\u00e0 m\u00f4 h\u00ecnh \u0111\u00e1m m\u00e2y cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 \u1ee9ng d\u1ee5ng v\u00e0 c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m\/hardware t\u1eeb b\u00ean th\u1ee9 ba, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng v\u00e0 tri\u1ec3n khai \u1ee9ng d\u1ee5ng qua Internet. PAAS h\u1ed7 tr\u1ee3 m\u1edf r\u1ed9ng linh ho\u1ea1t v\u00e0 c\u00f3 c\u00e1c m\u00f4 h\u00ecnh tri\u1ec3n khai c\u00f4ng c\u1ed9ng, ri\u00eang t\u01b0 v\u00e0 k\u1ebft h\u1ee3p. N\u00f3 gi\u00fap t\u1ed5 ch\u1ee9c v\u00e0 duy tr\u00ec \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n so v\u1edbi IaaS.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SaaS: Ph\u1ea7n M\u1ec1m D\u01b0\u1edbi D\u1ea1ng D\u1ecbch V\u1ee5 (Software as a Service &#8211; SaaS) cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00e1c \u1ee9ng d\u1ee5ng tr\u1ef1c tuy\u1ebfn qua internet. M\u00f4 h\u00ecnh n\u00e0y l\u01b0u tr\u1eef ph\u1ea7n m\u1ec1m v\u00e0 d\u1eef li\u1ec7u t\u1eadp trung v\u00e0 cho ph\u00e9p nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp t\u1eeb b\u1ea5t k\u1ef3 \u0111\u00e2u v\u1edbi thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i internet v\u00e0 tr\u00ecnh duy\u1ec7t. SaaS h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n v\u00e0 tri\u1ec3n khai c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Y\u1ebfu t\u1ed1 so s\u00e1nh<\/b><\/td>\n<td><b>IaaS<\/b><\/td>\n<td><b>PaaS<\/b><\/td>\n<td><b>SaaS<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ea1i di\u1ec7n cho<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ea1 t\u1ea7ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u1ec1n t\u1ea3ng d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 m\u1ea1ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Truy c\u1eadp<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean nh\u01b0 m\u00e1y \u1ea3o v\u00e0 l\u01b0u tr\u1eef \u1ea3o.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o m\u00f4i tr\u01b0\u1eddng ch\u1ea1y, c\u00f4ng c\u1ee5 tri\u1ec3n khai v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p quy\u1ec1n truy c\u1eadp cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 cung c\u1ea5p t\u00e0i nguy\u00ean m\u00e1y t\u00ednh \u1ea3o qua internet.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t m\u00f4 h\u00ecnh d\u1ecbch v\u1ee5 trong \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y l\u01b0u tr\u1eef ph\u1ea7n m\u1ec1m \u0111\u1ec3 cung c\u1ea5p cho kh\u00e1ch h\u00e0ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec3u bi\u1ebft k\u1ef9 thu\u1eadt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n cho vi\u1ec7c thi\u1ebft l\u1eadp.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt, c\u00f4ng ty x\u1eed l\u00fd m\u1ecdi th\u1ee9.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1ef1 ph\u1ed5 bi\u1ebfn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed5 bi\u1ebfn trong c\u1ed9ng \u0111\u1ed3ng ph\u00e1t tri\u1ec3n v\u00e0 nghi\u00ean c\u1ee9u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed5 bi\u1ebfn trong c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1eadp trung v\u00e0o ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng v\u00e0 script.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ed5 bi\u1ebfn trong ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u00e0 c\u00e1c c\u00f4ng ty, ch\u1eb3ng h\u1ea1n nh\u01b0 chia s\u1ebb t\u1eadp tin, email, v\u00e0 m\u1ea1ng x\u00e3 h\u1ed9i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">% t\u0103ng tr\u01b0\u1edfng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng kho\u1ea3ng 12%.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng kho\u1ea3ng 32%.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng kho\u1ea3ng 27% trong m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng cao s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng \u0111\u1ed9c \u0111\u00e1o.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea5p trung s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi ng\u01b0\u1eddi d\u00f9ng gi\u1ea3i tr\u00ed.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Amazon Web Services, Sun, vCloud Express.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Facebook, v\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm Google.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MS Office web, Facebook v\u00e0 Google Apps.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ecbch v\u1ee5 doanh nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AWS Virtual Private Cloud.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Microsoft Azure.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">IBM Cloud Analysis.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y thu\u00ea ngo\u00e0i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Salesforce<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Force.com, Gigaspaces.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AWS, Terremark.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh, m\u00f4i tr\u01b0\u1eddng ch\u1ea1y, ph\u1ea7n m\u1ec1m trung gian, v\u00e0 d\u1eef li\u1ec7u \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 g\u00ec.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u00e1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t linh ho\u1ea1t v\u00e0 m\u1edf r\u1ed9ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t linh ho\u1ea1t \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p kh\u00e1c nhau theo t\u00e0i nguy\u00ean.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t linh ho\u1ea1t \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p nh\u1ecf, v\u1eeba v\u00e0 l\u1edbn.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>M\u00f4 t\u1ea3 quy tr\u00ecnh sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng cloud<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u l\u00e0 qu\u00e1 tr\u00ecnh sao ch\u00e9p v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb h\u1ecfng ho\u1eb7c m\u1ea5t m\u00e1t. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong k\u1ebf ho\u1ea1ch kh\u1eafc ph\u1ee5c th\u1ea3m h\u1ecda, gi\u00fap \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp t\u1eeb c\u00e1c b\u1ea3n sao l\u01b0u tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u00e0y nay, vi\u1ec7c sao l\u01b0u d\u1eef li\u1ec7u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n d\u1ec5 d\u00e0ng qua l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y, kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i l\u01b0u tr\u1eef tr\u00ean \u1ed5 c\u1ee9ng ho\u1eb7c thi\u1ebft b\u1ecb ngo\u00e0i. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u00e1m m\u00e2y \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Quy tr\u00ecnh sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng cloud:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn nh\u00e0 cung c\u1ea5p sao l\u01b0u \u0111\u00e1m m\u00e2y<\/span><span style=\"font-weight: 400;\">: L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady v\u1edbi kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt, hi\u1ec7u su\u1ea5t, v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng t\u1ed1t. So s\u00e1nh c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 AWS, Microsoft Azure, Google Cloud, Backblaze, Carbonite, Acronis.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">So s\u00e1nh t\u00ednh n\u0103ng v\u00e0 d\u1ecbch v\u1ee5<\/span><span style=\"font-weight: 400;\">: Xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 tin c\u1eady (th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng), b\u1ea3o m\u1eadt (m\u00e3 h\u00f3a), kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t (t\u1ed1c \u0111\u1ed9 sao l\u01b0u v\u00e0 kh\u00f4i ph\u1ee5c).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nghi\u00ean c\u1ee9u chi ph\u00ed v\u00e0 t\u00ednh n\u0103ng<\/span><span style=\"font-weight: 400;\">: So s\u00e1nh gi\u00e1 c\u1ea3 (ph\u00ed \u0111\u0103ng k\u00fd, thanh to\u00e1n theo nhu c\u1ea7u) v\u00e0 c\u00e1c t\u00ednh n\u0103ng \u0111i k\u00e8m \u0111\u1ec3 t\u00ecm ra nh\u00e0 cung c\u1ea5p ph\u00f9 h\u1ee3p nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t sao l\u01b0u<\/span><span style=\"font-weight: 400;\">: X\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u n\u00e0o c\u1ea7n sao l\u01b0u v\u00e0 \u01b0u ti\u00ean nh\u1eefng d\u1eef li\u1ec7u c\u1ea7n sao l\u01b0u th\u01b0\u1eddng xuy\u00ean. T\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh sao l\u01b0u theo l\u1ecbch tr\u00ecnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a khi truy\u1ec1n t\u1ea3i v\u00e0 l\u01b0u tr\u1eef tr\u00ean \u0111\u00e1m m\u00e2y \u0111\u1ec3 ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Theo d\u00f5i v\u00e0 ki\u1ec3m tra qu\u00e1 tr\u00ecnh sao l\u01b0u<\/span><span style=\"font-weight: 400;\">: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t \u0111\u1ec3 theo d\u00f5i c\u00e1c c\u00f4ng vi\u1ec7c sao l\u01b0u, \u0111\u1eb7t c\u1ea3nh b\u00e1o khi c\u00f3 s\u1ef1 c\u1ed1 v\u00e0 ki\u1ec3m tra b\u00e1o c\u00e1o th\u01b0\u1eddng xuy\u00ean. Th\u1eed nghi\u1ec7m kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 x\u1eed l\u00fd t\u1ed1t c\u00e1c t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e2ng c\u1ea5p k\u1ebf ho\u1ea1ch kh\u00f4i ph\u1ee5c<\/span><span style=\"font-weight: 400;\">: Th\u01b0\u1eddng xuy\u00ean th\u1eed nghi\u1ec7m c\u00e1c k\u1ecbch b\u1ea3n th\u1ea3m h\u1ecda v\u00e0 \u0111\u00e1nh gi\u00e1 ph\u1ea3n h\u1ed3i. C\u1ea3i ti\u1ebfn k\u1ebf ho\u1ea1ch kh\u00f4i ph\u1ee5c \u0111\u1ec3 gi\u1ea3m th\u1eddi gian ph\u1ea3n h\u1ed3i v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ef1 chu\u1ea9n b\u1ecb.<\/span><\/li>\n<\/ul>\n<h3><b>Gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa public cloud, private cloud, v\u00e0 hybrid cloud<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng (public cloud) l\u00e0 m\u00f4 h\u00ecnh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y do nh\u00e0 cung c\u1ea5p b\u00ean th\u1ee9 ba qu\u1ea3n l\u00fd v\u00e0 cung c\u1ea5p cho c\u00f4ng ch\u00fang qua internet. Ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean chia s\u1ebb nh\u01b0 m\u00e1y ch\u1ee7, l\u01b0u tr\u1eef, v\u00e0 ch\u1ec9 tr\u1ea3 cho nh\u1eefng g\u00ec h\u1ecd s\u1eed d\u1ee5ng. V\u00ed d\u1ee5 nh\u01b0 Amazon Web Services (AWS), Microsoft Azure, v\u00e0 Google Cloud Platform (GCP).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e1m m\u00e2y ri\u00eang (private cloud) l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y do m\u1ed9t t\u1ed5 ch\u1ee9c s\u1edf h\u1eefu v\u00e0 v\u1eadn h\u00e0nh, ch\u1ec9 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n truy c\u1eadp, v\u1edbi m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao h\u01a1n. V\u00ed d\u1ee5: HPE, Dell, VMware.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u00e1m m\u00e2y lai k\u1ebft h\u1ee3p \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng v\u00e0 \u0111\u00e1m m\u00e2y ri\u00eang, gi\u00fap t\u1ed5 ch\u1ee9c t\u1eadn d\u1ee5ng c\u1ea3 hai lo\u1ea1i \u0111\u00e1m m\u00e2y v\u1edbi linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed cao h\u01a1n. V\u00ed d\u1ee5: IBM, DataCore Software, Rackspace.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Y\u1ebfu t\u1ed1<\/b><\/td>\n<td><b>Public cloud<\/b><\/td>\n<td><b>Private cloud<\/b><\/td>\n<td><b>Hybrid cloud<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00e0i nguy\u00ean<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa nhi\u1ec1u kh\u00e1ch h\u00e0ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c chia s\u1ebb ch\u1ec9 v\u1edbi m\u1ed9t t\u1ed5 ch\u1ee9c.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u1ebft h\u1ee3p t\u00e0i nguy\u00ean t\u1eeb c\u1ea3 \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng v\u00e0 ri\u00eang, d\u1ef1a tr\u00ean y\u00eau c\u1ea7u.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1edf h\u1eefu d\u1eef li\u1ec7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u c\u1ee7a nhi\u1ec1u t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef chung.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c duy nh\u1ea5t \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ri\u00eang.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u l\u01b0u tr\u1eef c\u1ea3 tr\u00ean \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng v\u00e0 ri\u00eang, cung c\u1ea5p b\u1ea3o m\u1eadt.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh thanh to\u00e1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tr\u1ea3 theo m\u1ee9c s\u1eed d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u m\u00f4 h\u00ecnh gi\u00e1 kh\u00e1c nhau.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p thanh to\u00e1n theo m\u1ee9c s\u1eed d\u1ee5ng c\u1ee7a \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng v\u00e0 gi\u00e1 c\u1ed1 \u0111\u1ecbnh c\u1ee7a \u0111\u00e1m m\u00e2y ri\u00eang, ho\u1eb7c c\u00e1c m\u00f4 h\u00ecnh kh\u00e1c nh\u01b0 thanh to\u00e1n theo ti\u00eau th\u1ee5, theo \u0111\u0103ng k\u00fd.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">V\u1eadn h\u00e0nh b\u1edfi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed5 ch\u1ee9c c\u1ee5 th\u1ec3.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u1ea3 hai.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng linh ho\u1ea1t v\u00e0 m\u1edf r\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 linh ho\u1ea1t cao h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 t\u00ednh d\u1ef1 \u0111o\u00e1n v\u00e0 nh\u1ea5t qu\u00e1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 linh ho\u1ea1t b\u1eb1ng c\u00e1ch cho ph\u00e9p s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y c\u00f4ng c\u1ed9ng v\u00e0 ri\u00eang.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi ph\u00ed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u1eddng \u00edt t\u1ed1n k\u00e9m h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u01b0\u1eddng \u0111\u1eaft h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u1ed1n k\u00e9m h\u01a1n, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 \u00edt t\u1ed1n k\u00e9m h\u01a1n t\u00f9y v\u00e0o nhu c\u1ea7u v\u00e0 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1ed5 ch\u1ee9c.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng s\u1eb5n c\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c truy c\u1eadp b\u1edfi c\u00f4ng ch\u00fang qua internet.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1edbi h\u1ea1n cho m\u1ed9t t\u1ed5 ch\u1ee9c c\u1ee5 th\u1ec3.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u1ea3 hai.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_System_Admin_ve_tinh_huong\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin v\u1ec1 t\u00ecnh hu\u1ed1ng<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>N\u1ebfu b\u1ea1n ph\u00e1t hi\u1ec7n m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt trong h\u1ec7 th\u1ed1ng, b\u1ea1n s\u1ebd l\u00e0m g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, c\u1ea7n c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1ec7 th\u1ed1ng v\u00e0 ch\u1ee7 \u0111\u1ed9ng nh\u1eb1m x\u00e1c \u0111\u1ecbnh, gi\u1ea3m thi\u1ec3u v\u00e0 ng\u0103n ng\u1eeba c\u00e1c \u0111i\u1ec3m y\u1ebfu trong h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, m\u1ea1ng v\u00e0 ph\u1ea7n m\u1ec1m. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m to\u00e1n b\u1ea3o m\u1eadt \u0111\u1ecbnh k\u1ef3<\/span><span style=\"font-weight: 400;\">: Th\u1ef1c hi\u1ec7n ki\u1ec3m to\u00e1n v\u00e0 ki\u1ec3m tra x\u00e2m nh\u1eadp \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7 h\u1ed5ng. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 qu\u00e9t l\u1ed7 h\u1ed5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Qu\u1ea3n l\u00fd b\u1ea3n v\u00e1<\/span><span style=\"font-weight: 400;\">: C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 \u1ee9ng d\u1ee5ng v\u1edbi b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt m\u1edbi nh\u1ea5t. Thi\u1ebft l\u1eadp quy tr\u00ecnh qu\u1ea3n l\u00fd b\u1ea3n v\u00e1 v\u00e0 \u01b0u ti\u00ean v\u00e1 l\u1ed7i theo m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m so\u00e1t truy c\u1eadp<\/span><span style=\"font-weight: 400;\">: \u00c1p d\u1ee5ng c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd nh\u01b0 x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) v\u00e0 nguy\u00ean t\u1eafc quy\u1ec1n truy c\u1eadp t\u1ed1i thi\u1ec3u. Xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt quy\u1ec1n truy c\u1eadp \u0111\u1ecbnh k\u1ef3.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Th\u1ef1c h\u00e0nh l\u1eadp tr\u00ecnh an to\u00e0n<\/span><span style=\"font-weight: 400;\">: \u0110\u00e0o t\u1ea1o l\u1eadp tr\u00ecnh vi\u00ean v\u1ec1 c\u00e1c th\u1ef1c h\u00e0nh an to\u00e0n v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u00e1nh gi\u00e1 m\u00e3 ngu\u1ed3n.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt m\u1ea1ng<\/span><span style=\"font-weight: 400;\">: Tri\u1ec3n khai t\u01b0\u1eddng l\u1eeda v\u00e0 h\u1ec7 th\u1ed1ng IDS\/IPS. C\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh m\u1ea1ng v\u00e0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">L\u1eadp k\u1ebf ho\u1ea1ch ph\u1ea3n \u1ee9ng s\u1ef1 c\u1ed1<\/span><span style=\"font-weight: 400;\">: Ph\u00e1t tri\u1ec3n v\u00e0 duy tr\u00ec k\u1ebf ho\u1ea1ch ph\u1ea3n \u1ee9ng s\u1ef1 c\u1ed1. Th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i t\u1eadp m\u00f4 ph\u1ecfng \u0111\u1ec3 ki\u1ec3m tra hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0110\u00e0o t\u1ea1o nh\u1eadn th\u1ee9c b\u1ea3o m\u1eadt<\/span><span style=\"font-weight: 400;\">: Gi\u00e1o d\u1ee5c nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c th\u1ef1c h\u00e0nh b\u1ea3o m\u1eadt v\u00e0 nh\u1eadn di\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng x\u00e3 h\u1ed9i nh\u01b0 phishing.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">B\u1ea3o m\u1eadt c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean th\u1ee9 ba<\/span><span style=\"font-weight: 400;\">: \u0110\u00e1nh gi\u00e1 v\u00e0 c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 ph\u1ea7n m\u1ec1m c\u1ee7a b\u00ean th\u1ee9 ba.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">M\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: M\u00e3 h\u00f3a d\u1eef li\u1ec7u khi l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i b\u1eb1ng c\u00e1c thu\u1eadt to\u00e1n m\u1ea1nh m\u1ebd. B\u1ea3o v\u1ec7 v\u00e0 qu\u1ea3n l\u00fd c\u00e1c kh\u00f3a m\u00e3 h\u00f3a.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Gi\u00e1m s\u00e1t v\u00e0 ghi ch\u00e9p<\/span><span style=\"font-weight: 400;\">: Tri\u1ec3n khai gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t v\u00e0 ghi ch\u00e9p \u0111\u1ec3 ph\u00e1t hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd. Xem x\u00e9t nh\u1eadt k\u00fd th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ef1 c\u1ed1 b\u1ea3o m\u1eadt.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u0110\u00e0o t\u1ea1o v\u00e0 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c<\/span><span style=\"font-weight: 400;\">: \u0110\u1ea3m b\u1ea3o \u0111\u1ed9i ng\u0169 b\u1ea3o m\u1eadt v\u00e0 IT \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1edbi v\u00e0 c\u1ea3i thi\u1ec7n ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean c\u00e1c thay \u0111\u1ed5i c\u00f4ng ngh\u1ec7.<\/span><\/li>\n<\/ul>\n<h3><b>M\u1ed9t \u1ed5 c\u1ee9ng quan tr\u1ecdng b\u1ecb h\u1ecfng v\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u. B\u1ea1n s\u1ebd l\u00e0m g\u00ec \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi g\u1eb7p t\u00ecnh hu\u1ed1ng \u1ed5 c\u1ee9ng b\u1ecb h\u1ecfng v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng b\u1ecb m\u1ea5t, vi\u1ec7c \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n l\u00e0m l\u00e0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u1eebng s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng ngay l\u1eadp t\u1ee9c<\/span><span style=\"font-weight: 400;\">: Vi\u1ec7c ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng \u1ed5 c\u1ee9ng c\u00f3 th\u1ec3 l\u00e0m ghi \u0111\u00e8 l\u00ean d\u1eef li\u1ec7u b\u1ecb m\u1ea5t, khi\u1ebfn vi\u1ec7c ph\u1ee5c h\u1ed3i tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01b0a \u1ed5 c\u1ee9ng \u0111\u1ebfn trung t\u00e2m ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u chuy\u00ean nghi\u1ec7p<\/span><span style=\"font-weight: 400;\">: \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi \u1ed5 c\u1ee9ng b\u1ecb h\u1ecfng v\u1eadt l\u00fd. C\u00e1c chuy\u00ean gia s\u1ebd s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt chuy\u00ean d\u1ee5ng \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n mu\u1ed1n t\u1ef1 m\u00ecnh th\u1eed ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u, h\u00e3y th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i \u1ed5 c\u1ee9ng v\u00e0o m\u00e1y t\u00ednh kh\u00e1c<\/span><span style=\"font-weight: 400;\">: Th\u00e1o \u1ed5 c\u1ee9ng ra kh\u1ecfi m\u00e1y t\u00ednh b\u1ecb h\u1ecfng v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u00e0o m\u1ed9t m\u00e1y t\u00ednh kh\u00e1c th\u00f4ng qua c\u1ed5ng SATA ho\u1eb7c USB.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: C\u00f3 r\u1ea5t nhi\u1ec1u ph\u1ea7n m\u1ec1m ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u mi\u1ec5n ph\u00ed v\u00e0 tr\u1ea3 ph\u00ed tr\u00ean th\u1ecb tr\u01b0\u1eddng. M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m ph\u1ed5 bi\u1ebfn nh\u01b0:<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recuva<\/span><span style=\"font-weight: 400;\">: D\u1ec5 s\u1eed d\u1ee5ng, hi\u1ec7u qu\u1ea3 v\u1edbi nhi\u1ec1u lo\u1ea1i t\u1ec7p tin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">EaseUS Data Recovery Wizard<\/span><span style=\"font-weight: 400;\">: Giao di\u1ec7n th\u00e2n thi\u1ec7n, h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i \u1ed5 c\u1ee9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R-Studio<\/span><span style=\"font-weight: 400;\">: Chuy\u00ean nghi\u1ec7p, h\u1ed7 tr\u1ee3 nhi\u1ec1u h\u1ec7 th\u1ed1ng t\u1ec7p tin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ef1c hi\u1ec7n qu\u00e9t<\/span><span style=\"font-weight: 400;\">: Ch\u1ea1y ph\u1ea7n m\u1ec1m v\u00e0 qu\u00e9t \u1ed5 c\u1ee9ng \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c t\u1ec7p tin b\u1ecb m\u1ea5t. Qu\u00e1 tr\u00ecnh qu\u00e9t c\u00f3 th\u1ec3 m\u1ea5t kh\u00e1 nhi\u1ec1u th\u1eddi gian, t\u00f9y thu\u1ed9c v\u00e0o dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u<\/span><span style=\"font-weight: 400;\">: Sau khi qu\u00e1 tr\u00ecnh qu\u00e9t ho\u00e0n t\u1ea5t, b\u1ea1n s\u1ebd th\u1ea5y danh s\u00e1ch c\u00e1c t\u1ec7p tin \u0111\u00e3 t\u00ecm th\u1ea5y. Ch\u1ecdn c\u00e1c t\u1ec7p tin c\u1ea7n ph\u1ee5c h\u1ed3i v\u00e0 l\u01b0u ch\u00fang v\u00e0o m\u1ed9t \u1ed5 \u0111\u0129a kh\u00e1c (kh\u00f4ng ph\u1ea3i \u1ed5 c\u1ee9ng b\u1ecb h\u1ecfng).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd quan tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp v\u00e0o \u1ed5 c\u1ee9ng b\u1ecb h\u1ecfng<\/span><span style=\"font-weight: 400;\">: \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ghi \u0111\u00e8 l\u00ean d\u1eef li\u1ec7u v\u00e0 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f4ng \u0111\u1ecbnh d\u1ea1ng l\u1ea1i \u1ed5 c\u1ee9ng<\/span><span style=\"font-weight: 400;\">: Vi\u1ec7c \u0111\u1ecbnh d\u1ea1ng s\u1ebd x\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u00ean \u1ed5 c\u1ee9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao ch\u00e9p d\u1eef li\u1ec7u \u0111\u00e3 ph\u1ee5c h\u1ed3i<\/span><span style=\"font-weight: 400;\">: Sau khi ph\u1ee5c h\u1ed3i th\u00e0nh c\u00f4ng, h\u00e3y sao ch\u00e9p d\u1eef li\u1ec7u v\u00e0o m\u1ed9t \u1ed5 \u0111\u0129a kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/span><\/li>\n<\/ul>\n<h3><b>Khi m\u1ed9t nh\u00e2n vi\u00ean b\u00e1o c\u00e1o r\u1eb1ng h\u1ecd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 m\u1ea1ng n\u1ed9i b\u1ed9, b\u1ea1n s\u1ebd th\u1ef1c hi\u1ec7n nh\u1eefng b\u01b0\u1edbc n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi m\u1ed9t nh\u00e2n vi\u00ean b\u00e1o c\u00e1o g\u1eb7p v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 m\u1ea1ng n\u1ed9i b\u1ed9, vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1ea7n l\u00e0m l\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n. M\u1ed9t s\u1ed1 b\u01b0\u1edbc b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Thu th\u1eadp th\u00f4ng tin chi ti\u1ebft:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 v\u1ea5n \u0111\u1ec1: Y\u00eau c\u1ea7u nh\u00e2n vi\u00ean m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 v\u1ea5n \u0111\u1ec1 h\u1ecd \u0111ang g\u1eb7p ph\u1ea3i. V\u00ed d\u1ee5: &#8220;T\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp v\u00e0o b\u1ea5t k\u1ef3 t\u1ec7p n\u00e0o tr\u00ean m\u00e1y ch\u1ee7&#8221;, &#8220;M\u1ea1ng li\u00ean t\u1ee5c b\u1ecb gi\u00e1n \u0111o\u1ea1n&#8221;,&#8230;<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Th\u1eddi gian b\u1eaft \u0111\u1ea7u x\u1ea3y ra s\u1ef1 c\u1ed1: X\u00e1c \u0111\u1ecbnh xem v\u1ea5n \u0111\u1ec1 b\u1eaft \u0111\u1ea7u t\u1eeb khi n\u00e0o v\u00e0 c\u00f3 x\u1ea3y ra b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o tr\u00ean h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc \u0111\u00f3 hay kh\u00f4ng (v\u00ed d\u1ee5: c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m m\u1edbi, c\u1eadp nh\u1eadt Windows).<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng kh\u00f4ng: Ki\u1ec3m tra xem c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 g\u1eb7p v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1 hay kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng: Ki\u1ec3m tra xem nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c tr\u00ean m\u00e1y t\u00ednh c\u1ee7a h\u1ecd kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i m\u1ea1ng v\u1eadt l\u00fd:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">C\u00e1p m\u1ea1ng: Ki\u1ec3m tra xem c\u00e1p m\u1ea1ng c\u00f3 b\u1ecb \u0111\u1ee9t, l\u1ecfng hay b\u1ecb k\u1eb9t g\u00ec kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u1ed5ng m\u1ea1ng: Ki\u1ec3m tra xem c\u1ed5ng m\u1ea1ng tr\u00ean m\u00e1y t\u00ednh v\u00e0 router c\u00f3 \u0111\u01b0\u1ee3c c\u1eafm ch\u1eafc ch\u1eafn kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb m\u1ea1ng: Kh\u1edfi \u0111\u1ed9ng l\u1ea1i router v\u00e0 switch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t m\u1ea1ng:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 IP: Ki\u1ec3m tra xem \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y t\u00ednh c\u00f3 \u0111\u00fang v\u00e0 n\u1eb1m trong c\u00f9ng m\u1ed9t m\u1ea1ng con v\u1edbi m\u00e1y ch\u1ee7 kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Subnet mask: Ki\u1ec3m tra xem subnet mask c\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Gateway: Ki\u1ec3m tra xem gateway c\u00f3 \u0111\u00fang v\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a router kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t DNS: Ki\u1ec3m tra xem m\u00e1y t\u00ednh c\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh DNS \u0111\u00fang \u0111\u1ec3 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n c\u1ee7a m\u00e1y ch\u1ee7 kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t virus:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">T\u01b0\u1eddng l\u1eeda: T\u1ea1m th\u1eddi t\u1eaft t\u01b0\u1eddng l\u1eeda \u0111\u1ec3 ki\u1ec3m tra xem c\u00f3 ph\u1ea3i t\u01b0\u1eddng l\u1eeda \u0111ang ch\u1eb7n k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ph\u1ea7n m\u1ec1m di\u1ec7t virus: Ki\u1ec3m tra xem ph\u1ea7n m\u1ec1m di\u1ec7t virus c\u00f3 \u0111ang ch\u1eb7n k\u1ebft n\u1ed1i kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra d\u1ecbch v\u1ee5 tr\u00ean m\u00e1y ch\u1ee7:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra d\u1ecbch v\u1ee5: Ki\u1ec3m tra xem c\u00e1c d\u1ecbch v\u1ee5 li\u00ean quan \u0111\u1ebfn chia s\u1ebb t\u1ec7p, in \u1ea5n ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c c\u00f3 \u0111ang ch\u1ea1y tr\u00ean m\u00e1y ch\u1ee7 kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra quy\u1ec1n truy c\u1eadp: Ki\u1ec3m tra xem t\u00e0i kho\u1ea3n c\u1ee7a nh\u00e2n vi\u00ean c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i nguy\u00ean tr\u00ean m\u00e1y ch\u1ee7 kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">\u1ed4 c\u1ee9ng: Ki\u1ec3m tra xem \u1ed5 c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7 c\u00f3 b\u1ecb l\u1ed7i kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">RAM: Ki\u1ec3m tra xem RAM c\u00f3 \u0111\u1ee7 v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh kh\u00f4ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Card m\u1ea1ng: Ki\u1ec3m tra xem card m\u1ea1ng c\u1ee7a m\u00e1y ch\u1ee7 c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u1ea7n m\u1ec1m:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh: Ki\u1ec3m tra xem h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 m\u00e1y t\u00ednh c\u1ee7a nh\u00e2n vi\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt l\u00ean phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t ch\u01b0a.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt driver: Ki\u1ec3m tra xem driver c\u1ee7a card m\u1ea1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ch\u01b0a.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Xung \u0111\u1ed9t ph\u1ea7n m\u1ec1m: Ki\u1ec3m tra xem c\u00f3 b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o \u0111ang g\u00e2y xung \u0111\u1ed9t v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">N\u1ebfu sau khi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc tr\u00ean m\u00e0 v\u1eabn kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1, b\u1ea1n c\u00f3 th\u1ec3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra log: Ki\u1ec3m tra log c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i chi ti\u1ebft h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt: Li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng ho\u1eb7c b\u1ed9 ph\u1eadn IT \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 h\u1eefu \u00edch:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ping: \u0110\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Traceroute: \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng \u0111i c\u1ee7a g\u00f3i tin v\u00e0 t\u00ecm ra \u0111i\u1ec3m t\u1eafc ngh\u1ebdn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Netstat: \u0110\u1ec3 xem c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng hi\u1ec7n t\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ipconfig: \u0110\u1ec3 xem th\u00f4ng tin c\u1ea5u h\u00ecnh m\u1ea1ng c\u1ee7a m\u00e1y t\u00ednh.<\/span><\/li>\n<\/ul>\n<h3><b>N\u1ebfu m\u1ed9t nh\u00e2n vi\u00ean v\u00f4 t\u00ecnh t\u1ea3i xu\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 n\u00f3 \u0111\u00e3 lan r\u1ed9ng trong h\u1ec7 th\u1ed1ng, b\u1ea1n s\u1ebd x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u00e0 ng\u0103n ch\u1eb7n thi\u1ec7t h\u1ea1i l\u1edbn h\u01a1n?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t hi\u1ec7n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111\u00e3 x\u00e2m nh\u1eadp v\u00e0 lan r\u1ed9ng trong h\u1ec7 th\u1ed1ng, vi\u1ec7c x\u1eed l\u00fd nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ch\u1eb7n thi\u1ec7t h\u1ea1i l\u1edbn h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ng\u1eaft k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng (n\u1ebfu c\u00f3 th\u1ec3):<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng: Ng\u0103n ch\u1eb7n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ti\u1ebfp t\u1ee5c lan r\u1ed9ng ra c\u00e1c m\u00e1y kh\u00e1c trong m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Ng\u1eaft k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi: Ng\u0103n ch\u1eb7n d\u1eef li\u1ec7u b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c b\u1ecb m\u00e3 h\u00f3a.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1ch ly m\u00e1y b\u1ecb nhi\u1ec5m: \u0110\u1eb7t m\u00e1y b\u1ecb nhi\u1ec5m v\u00e0o m\u1ed9t m\u1ea1ng ri\u00eang bi\u1ec7t \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u00e2y nhi\u1ec5m cho c\u00e1c m\u00e1y kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh kh\u00f4i ph\u1ee5c: Trong qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c, c\u00f3 th\u1ec3 m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u s\u1ebd b\u1ecb m\u1ea5t. Vi\u1ec7c sao l\u01b0u gi\u00fap b\u1ea1n kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u quan tr\u1ecdng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Qu\u00e9t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng: S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus uy t\u00edn \u0111\u1ec3 qu\u00e9t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng v\u00e0 lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt c\u01a1 s\u1edf d\u1eef li\u1ec7u virus: \u0110\u1ea3m b\u1ea3o ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c lo\u1ea1i virus m\u1edbi.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c quy tr\u00ecnh kh\u1edfi \u0111\u1ed9ng: Nhi\u1ec1u lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i t\u1ef1 \u0111\u1ed9ng kh\u1edfi \u0111\u1ed9ng khi m\u00e1y t\u00ednh b\u1eadt l\u00ean. B\u1ea1n c\u1ea7n ki\u1ec3m tra v\u00e0 x\u00f3a b\u1ecf ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c t\u1ec7p h\u1ec7 th\u1ed1ng: So s\u00e1nh c\u00e1c t\u1ec7p h\u1ec7 th\u1ed1ng quan tr\u1ecdng v\u1edbi b\u1ea3n sao g\u1ed1c \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c thay \u0111\u1ed5i b\u1ea5t th\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed5i m\u1eadt kh\u1ea9u cho t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i kho\u1ea3n: \u0110\u1ed5i m\u1eadt kh\u1ea9u cho t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i kho\u1ea3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb vi\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ph\u1ea7n m\u1ec1m: C\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c l\u00ean phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t \u0111\u1ec3 v\u00e1 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ee5c h\u1ed3i h\u1ec7 th\u1ed1ng (n\u1ebfu c\u1ea7n): N\u1ebfu kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c h\u1ec7 th\u1ed1ng t\u1eeb m\u1ed9t \u0111i\u1ec3m ph\u1ee5c h\u1ed3i tr\u01b0\u1edbc khi b\u1ecb nhi\u1ec5m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u tra nguy\u00ean nh\u00e2n: \u0110i\u1ec1u tra xem ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch n\u00e0o \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba hi\u1ec7u qu\u1ea3 h\u01a1n trong t\u01b0\u01a1ng lai.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e2ng cao nh\u1eadn th\u1ee9c cho nh\u00e2n vi\u00ean: T\u1ed5 ch\u1ee9c c\u00e1c bu\u1ed5i \u0111\u00e0o t\u1ea1o \u0111\u1ec3 n\u00e2ng cao nh\u1eadn th\u1ee9c cho nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 h\u1eefu \u00edch:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ea7n m\u1ec1m di\u1ec7t virus: Kaspersky, Bitdefender, Norton, Avast,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 qu\u00e9t malware: Malwarebytes, HitmanPro,&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f4ng c\u1ee5 ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng: Process Explorer, Autoruns,&#8230;<\/span><\/li>\n<\/ul>\n<h3><b>B\u1ea1n ph\u00e1t hi\u1ec7n th\u1ea5y dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7 g\u1ea7n h\u1ebft v\u00e0 c\u1ea7n gi\u1ea3i ph\u00f3ng kh\u00f4ng gian ngay l\u1eadp t\u1ee9c. B\u1ea1n s\u1ebd l\u00e0m g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi ph\u00e1t hi\u1ec7n dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng m\u00e1y ch\u1ee7 s\u1eafp h\u1ebft, vi\u1ec7c gi\u1ea3i ph\u00f3ng kh\u00f4ng gian ngay l\u1eadp t\u1ee9c l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u01b0\u1edbc b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c th\u01b0 m\u1ee5c l\u1edbn: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 nh\u01b0 du (Unix\/Linux) ho\u1eb7c TreeSize (Windows) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u01b0 m\u1ee5c chi\u1ebfm nhi\u1ec1u dung l\u01b0\u1ee3ng nh\u1ea5t.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra log files: C\u00e1c file log c\u1ee7a h\u1ec7 th\u1ed1ng, \u1ee9ng d\u1ee5ng th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 c\u00f3 th\u1ec3 chi\u1ebfm kh\u00e1 nhi\u1ec1u dung l\u01b0\u1ee3ng.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c backup: C\u00e1c b\u1ea3n sao l\u01b0u c\u0169 c\u00f3 th\u1ec3 chi\u1ebfm nhi\u1ec1u kh\u00f4ng gian.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c file t\u1ea1m: C\u00e1c file t\u1ea1m c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng c\u0169ng c\u00f3 th\u1ec3 chi\u1ebfm m\u1ed9t l\u01b0\u1ee3ng dung l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3i ph\u00f3ng kh\u00f4ng gian:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">X\u00f3a c\u00e1c file kh\u00f4ng c\u1ea7n thi\u1ebft:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">Log files: X\u00f3a c\u00e1c log files c\u0169, kh\u00f4ng c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Backup c\u0169: X\u00f3a c\u00e1c b\u1ea3n sao l\u01b0u c\u0169.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">File t\u1ea1m: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 tmpwatch (Unix\/Linux) ho\u1eb7c Disk Cleanup (Windows) \u0111\u1ec3 x\u00f3a c\u00e1c file t\u1ea1m.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">File tr\u00f9ng l\u1eb7p: S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm file tr\u00f9ng l\u1eb7p \u0111\u1ec3 x\u00f3a.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">Di chuy\u1ec3n d\u1eef li\u1ec7u:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u \u00edt truy c\u1eadp: Di chuy\u1ec3n c\u00e1c d\u1eef li\u1ec7u \u00edt truy c\u1eadp sang \u1ed5 c\u1ee9ng kh\u00e1c ho\u1eb7c l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Backup: C\u00e0i \u0111\u1eb7t l\u1ea1i l\u1ecbch tr\u00ecnh backup \u0111\u1ec3 ch\u1ec9 backup nh\u1eefng file thay \u0111\u1ed5i.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/span>\n<ul>\n<li><span style=\"font-weight: 400;\">X\u00f3a d\u1eef li\u1ec7u c\u0169: X\u00f3a c\u00e1c b\u1ea3n ghi c\u0169 kh\u00f4ng c\u00f2n c\u1ea7n thi\u1ebft trong c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Index: T\u1ed1i \u01b0u h\u00f3a c\u00e1c index \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy v\u1ea5n v\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-weight: 400;\">N\u00e9n d\u1eef li\u1ec7u: N\u00e9n c\u00e1c file l\u1edbn \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">M\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng: N\u1ebfu c\u00f3 th\u1ec3, h\u00e3y th\u00eam m\u1ed9t \u1ed5 c\u1ee9ng m\u1edbi v\u00e0o m\u00e1y ch\u1ee7 v\u00e0 di chuy\u1ec3n m\u1ed9t ph\u1ea7n d\u1eef li\u1ec7u sang \u1ed5 c\u1ee9ng m\u1edbi.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e0i \u0111\u1eb7t c\u1ea3nh b\u00e1o: C\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng g\u1eedi c\u1ea3nh b\u00e1o khi dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u1eadp k\u1ebf ho\u1ea1ch d\u00e0i h\u1ea1n:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">X\u00e2y d\u1ef1ng ch\u00ednh s\u00e1ch qu\u1ea3n l\u00fd d\u1eef li\u1ec7u: X\u00e2y d\u1ef1ng m\u1ed9t ch\u00ednh s\u00e1ch r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c l\u01b0u tr\u1eef, x\u00f3a v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 qu\u1ea3n l\u00fd dung l\u01b0\u1ee3ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u00f4ng c\u1ee5 h\u1eefu \u00edch:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unix\/Linux: du, find, tmpwatch, rsync<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Windows: Disk Cleanup, TreeSize, WinDirStat<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u d\u1eef li\u1ec7u: Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111\u00e3 sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra k\u1ef9: H\u00e3y c\u1ea9n th\u1eadn khi x\u00f3a d\u1eef li\u1ec7u \u0111\u1ec3 tr\u00e1nh m\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ed1i \u01b0u h\u00f3a: T\u00ecm c\u00e1ch t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng trong t\u01b0\u01a1ng lai.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c, c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ch\u1ee7.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_cau_hoi_phong_van_System_Admin\"><\/span><strong>T\u1ed5ng k\u1ebft c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1eeba r\u1ed3i, ch\u00fang ta \u0111\u00e3 c\u00f9ng \u0111i qua 40 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin m\u1edbi nh\u1ea5t 2024. Hy v\u1ecdng, v\u1edbi nh\u1eefng th\u00f4ng tin ITviec cung c\u1ea5p, b\u1ea1n s\u1ebd c\u00f3 \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin v\u00e0 chu\u1ea9n b\u1ecb th\u1eadt t\u1ed1t \u0111\u1ec3 v\u01b0\u1ee3t qua bu\u1ed5i ph\u1ecfng v\u1ea5n s\u1eafp t\u1edbi. Ch\u00fac b\u1ea1n th\u1eadt nhi\u1ec1u may m\u1eafn!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0nh IT \u0111ang ng\u00e0y m\u1ed9t kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u0169ng nh\u01b0 t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00ecnh h\u01a1n t\u1ea1i c\u00e1c c\u00f4ng ty, doanh nghi\u1ec7p v\u00e0 k\u00e9o theo \u0111\u00f3 l\u00e0 s\u1ef1 gia t\u0103ng c\u1ee7a c\u00e1c v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m nh\u01b0 System Admin. C\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o, \u0111\u1ec3 c\u00f3 c\u01a1 h\u1ed9i [&hellip;]<\/p>\n","protected":false},"author":214,"featured_media":80545,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109,94],"tags":[],"class_list":["post-80140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it","category-su-nghiep-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin quan tr\u1ecdng - ITviec Blog<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin k\u00e8m c\u00e2u tr\u1ea3 l\u1eddi \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng \u0111\u1eadu ph\u1ecfng v\u1ea5n cho bu\u1ed5i ph\u1ecfng v\u1ea5n ti\u1ebfp theo!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin quan tr\u1ecdng\" \/>\n<meta property=\"og:description\" content=\"Ng\u00e0nh IT \u0111ang ng\u00e0y m\u1ed9t kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed c\u0169ng nh\u01b0 t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00ecnh h\u01a1n t\u1ea1i c\u00e1c c\u00f4ng ty, doanh nghi\u1ec7p v\u00e0 k\u00e9o theo \u0111\u00f3 l\u00e0 s\u1ef1 gia t\u0103ng c\u1ee7a c\u00e1c v\u1ecb\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-system-admin\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-21T10:42:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/10\/Top-cau-hoi-phong-van-System-Admin-pho-bien-nhat-vippro.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"790\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hi\u1ebfu Phan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hi\u1ebfu Phan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"102 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Top 40+ c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n System Admin quan tr\u1ecdng - 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