{"id":33812,"date":"2025-10-01T11:44:13","date_gmt":"2025-10-01T04:44:13","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=33812"},"modified":"2025-12-24T11:11:29","modified_gmt":"2025-12-24T04:11:29","slug":"kiem-tra-thong-tin-tai-nguyen-vps","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/","title":{"rendered":"Ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Cac-loai-tai-nguyen-VPS-can-theo-doi\" >C\u00e1c lo\u1ea1i t\u00e0i nguy\u00ean VPS c\u1ea7n theo d\u00f5i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#CPU-%E2%80%93-Bo-nao-cua-he-thong\" >CPU \u2013 B\u1ed9 n\u00e3o c\u1ee7a h\u1ec7 th\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#RAM-%E2%80%93-Khong-gian-xu-ly-da-tac-vu\" >RAM \u2013 Kh\u00f4ng gian x\u1eed l\u00fd \u0111a t\u00e1c v\u1ee5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#O-cung-Disk-IO-Storage-%E2%80%93-Noi-luu-tru-va-toc-do-truy-xuat\" >\u1ed4 c\u1ee9ng (Disk I\/O &amp; Storage) \u2013 N\u01a1i l\u01b0u tr\u1eef v\u00e0 t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Bang-thong-Network-%E2%80%93-Cua-ngo-giao-tiep\" >B\u0103ng th\u00f4ng &amp; Network \u2013 C\u1eeda ng\u00f5 giao ti\u1ebfp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Cach-kiem-tra-thong-tin-tai-nguyen-VPS-tren-Linux\" >C\u00e1ch ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS tr\u00ean Linux<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Su-dung-lenh-top-hoac-htop-%E2%80%93-Hien-thi-CPU-RAM-theo-thoi-gian-thuc\" >S\u1eed d\u1ee5ng l\u1ec7nh top ho\u1eb7c htop \u2013 Hi\u1ec3n th\u1ecb CPU, RAM theo th\u1eddi gian th\u1ef1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Lenh-free-m-%E2%80%93-Kiem-tra-dung-luong-RAM-con-trong\" >L\u1ec7nh free -m \u2013 Ki\u1ec3m tra dung l\u01b0\u1ee3ng RAM c\u00f2n tr\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Lenh-df-h-%E2%80%93-Theo-doi-dung-luong-o-cung\" >L\u1ec7nh df -h \u2013 Theo d\u00f5i dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Cach-kiem-tra-tai-nguyen-VPS-tren-Windows-Server\" >C\u00e1ch ki\u1ec3m tra t\u00e0i nguy\u00ean VPS tr\u00ean Windows Server<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Task-Manager-%E2%80%93-Xem-nhanh-CPU-RAM-Disk\" >Task Manager \u2013 Xem nhanh CPU, RAM, Disk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Resource-Monitor-Performance-Monitor-%E2%80%93-Chi-tiet-sau-hon-ve-hieu-nang\" >Resource Monitor &amp; Performance Monitor \u2013 Chi ti\u1ebft s\u00e2u h\u01a1n v\u1ec1 hi\u1ec7u n\u0103ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Cong-cu-va-phan-mem-giam-sat-VPS\" >C\u00f4ng c\u1ee5 v\u00e0 ph\u1ea7n m\u1ec1m gi\u00e1m s\u00e1t VPS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Grafana-Prometheus-%E2%80%93-Giam-sat-chuyen-nghiep-cho-doanh-nghiep\" >Grafana, Prometheus \u2013 Gi\u00e1m s\u00e1t chuy\u00ean nghi\u1ec7p cho doanh nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Control-Panel-cPanel-Plesk-DirectAdmin-%E2%80%93-Theo-doi-truc-quan-cho-nguoi-moi\" >Control Panel (cPanel, Plesk, DirectAdmin) \u2013 Theo d\u00f5i tr\u1ef1c quan cho ng\u01b0\u1eddi m\u1edbi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Loi-thuong-gap-va-cach-khac-phuc-khi-tai-nguyen-VPS-qua-tai\" >L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c khi t\u00e0i nguy\u00ean VPS qu\u00e1 t\u1ea3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Van-de-CPU-qua-tai\" >V\u1ea5n \u0111\u1ec1: CPU qu\u00e1 t\u1ea3i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Van-de-RAM-thieu\" >V\u1ea5n \u0111\u1ec1: RAM thi\u1ebfu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Van-de-O-cung-day\" >V\u1ea5n \u0111\u1ec1: \u1ed4 c\u1ee9ng \u0111\u1ea7y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Van-de-Network-cham\" >V\u1ea5n \u0111\u1ec1: Network ch\u1eadm<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/#Chu-dong-giam-sat-de-dam-bao-hieu-suat\" >Ch\u1ee7 \u0111\u1ed9ng gi\u00e1m s\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t<\/a><\/li><\/ul><\/nav><\/div>\n<p>Website c\u1ee7a b\u1ea1n \u0111\u1ed9t nhi\u00ean ch\u1eadm \u0111i m\u1ed9t c\u00e1ch kh\u00f3 hi\u1ec3u? C\u00e1c thao t\u00e1c qu\u1ea3n tr\u1ecb m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n b\u00ecnh th\u01b0\u1eddng? R\u1ea5t c\u00f3 th\u1ec3 m\u00e1y ch\u1ee7 \u1ea3o c\u1ee7a b\u1ea1n \u0111ang b\u1ecb qu\u00e1 t\u1ea3i. Vi\u1ec7c <a href=\"https:\/\/interdata.vn\/blog\/kiem-tra-thong-tin-tai-nguyen-vps\/\"><strong>ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS<\/strong><\/a> th\u01b0\u1eddng xuy\u00ean l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o website hay \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 m\u01b0\u1ee3t m\u00e0. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng bi\u1ebft c\u00e1ch th\u1ef1c hi\u1ec7n \u0111\u00fang, \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong><\/a> s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n chi ti\u1ebft t\u1eeb A-Z c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u00e1m s\u00e1t t\u00e0i nguy\u00ean tr\u00ean c\u1ea3 Linux v\u00e0 Windows. Qua \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 qu\u00e1 t\u1ea3i, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1eadn h\u00e0nh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-tai-nguyen-VPS-can-theo-doi\"><\/span>C\u00e1c lo\u1ea1i t\u00e0i nguy\u00ean VPS c\u1ea7n theo d\u00f5i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 qu\u1ea3n l\u00fd t\u1ed1t m\u1ed9t <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">VPS<\/a>, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 b\u1ed1n th\u00e0nh ph\u1ea7n t\u00e0i nguy\u00ean c\u1ed1t l\u00f5i c\u1ee7a n\u00f3. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 ri\u00eang bi\u1ec7t v\u00e0 vi\u1ec7c gi\u00e1m s\u00e1t ch\u00fang l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. Vi\u1ec7c thi\u1ebfu h\u1ee5t b\u1ea5t k\u1ef3 t\u00e0i nguy\u00ean n\u00e0o c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng &#8220;th\u1eaft c\u1ed5 chai&#8221;, l\u00e0m ch\u1eadm to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-33819\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tai-nguyen-may-chu.jpg\" alt=\"T\u00e0i nguy\u00ean m\u00e1y ch\u1ee7\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tai-nguyen-may-chu.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tai-nguyen-may-chu-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Tai-nguyen-may-chu-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"CPU-%E2%80%93-Bo-nao-cua-he-thong\"><\/span>CPU \u2013 B\u1ed9 n\u00e3o c\u1ee7a h\u1ec7 th\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CPU (Central Processing Unit) \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 &#8220;b\u1ed9 n\u00e3o&#8221; c\u1ee7a VPS. M\u1ecdi y\u00eau c\u1ea7u, t\u1eeb vi\u1ec7c t\u1ea3i m\u1ed9t trang web, x\u1eed l\u00fd m\u1ed9t giao d\u1ecbch, \u0111\u1ebfn ch\u1ea1y m\u1ed9t \u0111o\u1ea1n m\u00e3 l\u1ec7nh, \u0111\u1ec1u c\u1ea7n CPU x\u1eed l\u00fd.<\/p>\n<p><strong>Vai tr\u00f2 c\u1ee7a CPU l\u00e0 g\u00ec?<\/strong> CPU ch\u1ecbu tr\u00e1ch nhi\u1ec7m th\u1ef1c thi c\u00e1c l\u1ec7nh v\u00e0 t\u00ednh to\u00e1n. M\u1ed9t CPU c\u00e0ng m\u1ea1nh, VPS c\u1ee7a b\u1ea1n c\u00e0ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c nhi\u1ec1u t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p c\u00f9ng m\u1ed9t l\u00fac.<\/p>\n<p><strong>L\u00e0m sao \u0111\u1ec3 nh\u1eadn bi\u1ebft CPU qu\u00e1 t\u1ea3i?<\/strong><\/p>\n<ul>\n<li>Website t\u1ea3i r\u1ea5t ch\u1eadm, th\u1eddi gian ph\u1ea3n h\u1ed3i (response time) t\u0103ng cao.<\/li>\n<li>C\u00e1c thao t\u00e1c trong trang qu\u1ea3n tr\u1ecb (admin dashboard) b\u1ecb gi\u1eadt, lag.<\/li>\n<li>H\u1ec7 th\u1ed1ng kh\u00f4ng th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng nh\u01b0 xu\u1ea5t b\u00e1o c\u00e1o, backup d\u1eef li\u1ec7u.<\/li>\n<li>Ch\u1ec9 s\u1ed1 CPU Load Average (tr\u00ean Linux) li\u00ean t\u1ee5c \u1edf m\u1ee9c cao.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"RAM-%E2%80%93-Khong-gian-xu-ly-da-tac-vu\"><\/span>RAM \u2013 Kh\u00f4ng gian x\u1eed l\u00fd \u0111a t\u00e1c v\u1ee5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/interdata.vn\/blog\/ram-server\/\">RAM<\/a> (Random Access Memory) l\u00e0 b\u1ed9 nh\u1edb truy c\u1eadp ng\u1eabu nhi\u00ean, c\u00f3 vai tr\u00f2 nh\u01b0 m\u1ed9t &#8220;b\u00e0n l\u00e0m vi\u1ec7c&#8221; c\u1ee7a VPS. Khi m\u1ed9t \u1ee9ng d\u1ee5ng hay d\u1ecbch v\u1ee5 c\u1ea7n ch\u1ea1y, d\u1eef li\u1ec7u c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o RAM \u0111\u1ec3 CPU c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 x\u1eed l\u00fd m\u1ed9t c\u00e1ch nhanh nh\u1ea5t.<\/p>\n<p><strong>T\u1ea7m quan tr\u1ecdng c\u1ee7a RAM l\u00e0 g\u00ec?<\/strong> M\u1ed9t dung l\u01b0\u1ee3ng RAM l\u1edbn cho ph\u00e9p VPS ch\u1ea1y nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00f9ng l\u00fac m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm. N\u1ebfu RAM b\u1ecb \u0111\u1ea7y, h\u1ec7 th\u1ed1ng s\u1ebd ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ebfn b\u1ed9 nh\u1edb \u1ea3o (swap), m\u1ed9t ph\u1ea7n c\u1ee7a \u1ed5 c\u1ee9ng c\u00f3 t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n r\u1ea5t nhi\u1ec1u, g\u00e2y ra t\u00ecnh tr\u1ea1ng &#8220;treo&#8221; ho\u1eb7c gi\u1ea3m hi\u1ec7u su\u1ea5t nghi\u00eam tr\u1ecdng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"O-cung-Disk-IO-Storage-%E2%80%93-Noi-luu-tru-va-toc-do-truy-xuat\"><\/span>\u1ed4 c\u1ee9ng (Disk I\/O &amp; Storage) \u2013 N\u01a1i l\u01b0u tr\u1eef v\u00e0 t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi n\u00f3i v\u1ec1 \u1ed5 c\u1ee9ng, ch\u00fang ta c\u1ea7n quan t\u00e2m hai y\u1ebfu t\u1ed1 ch\u00ednh: Dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef (Storage) v\u00e0 T\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi (Disk I\/O).<\/p>\n<ul>\n<li><strong>Dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef (Storage):<\/strong> \u0110\u00e2y l\u00e0 kh\u00f4ng gian b\u1ea1n d\u00f9ng \u0111\u1ec3 ch\u1ee9a m\u00e3 ngu\u1ed3n website, c\u01a1 s\u1edf d\u1eef li\u1ec7u, h\u00ecnh \u1ea3nh, email v\u00e0 c\u00e1c t\u1ec7p tin kh\u00e1c. N\u1ebfu \u1ed5 c\u1ee9ng b\u1ecb \u0111\u1ea7y, website c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 ghi th\u00eam d\u1eef li\u1ec7u m\u1edbi v\u00e0 c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i 503.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi (Disk I\/O):<\/strong> Y\u1ebfu t\u1ed1 n\u00e0y \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb \u1ed5 c\u1ee9ng. T\u1ed1c \u0111\u1ed9 \u0111\u1ecdc\/ghi cao, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c \u1ed5 c\u1ee9ng SSD NVMe m\u00e0 InterData cung c\u1ea5p, s\u1ebd gi\u00fap website t\u1ea3i nhanh h\u01a1n, c\u00e1c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ee9c th\u00ec.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Bang-thong-Network-%E2%80%93-Cua-ngo-giao-tiep\"><\/span>B\u0103ng th\u00f4ng &amp; Network \u2013 C\u1eeda ng\u00f5 giao ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u0103ng th\u00f4ng (Bandwidth) v\u00e0 M\u1ea1ng (Network) l\u00e0 c\u00e1nh c\u1eeda k\u1ebft n\u1ed1i VPS c\u1ee7a b\u1ea1n v\u1edbi Internet. N\u00f3 quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i v\u00e0 nh\u1eadn v\u1ec1 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<p><strong>T\u1ea1i sao c\u1ea7n gi\u00e1m s\u00e1t Network?<\/strong><\/p>\n<ul>\n<li><strong>Tr\u00e1nh ngh\u1ebdn b\u0103ng th\u00f4ng:<\/strong> N\u1ebfu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o website c\u1ee7a b\u1ea1n t\u0103ng \u0111\u1ed9t bi\u1ebfn, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m c\u1ea1n ki\u1ec7t b\u0103ng th\u00f4ng v\u00e0 khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng m\u1edbi kh\u00f4ng th\u1ec3 truy c\u1eadp.<\/li>\n<li><strong>Ph\u00e1t hi\u1ec7n t\u1ea5n c\u00f4ng:<\/strong> Gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (DDoS) \u0111ang di\u1ec5n ra.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cach-kiem-tra-thong-tin-tai-nguyen-VPS-tren-Linux\"><\/span>C\u00e1ch ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS tr\u00ean Linux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng VPS ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux (nh\u01b0 Ubuntu, CentOS), vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c d\u00f2ng l\u1ec7nh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ec7nh c\u01a1 b\u1ea3n b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33817 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-1-e1766549482507.jpg\" alt=\"Ki\u1ec3m tra t\u00e0i nguy\u00ean VPS\" width=\"600\" height=\"541\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-1-e1766549482507.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-1-e1766549482507-300x271.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Su-dung-lenh-top-hoac-htop-%E2%80%93-Hien-thi-CPU-RAM-theo-thoi-gian-thuc\"><\/span>S\u1eed d\u1ee5ng l\u1ec7nh top ho\u1eb7c htop \u2013 Hi\u1ec3n th\u1ecb CPU, RAM theo th\u1eddi gian th\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>top v\u00e0 htop l\u00e0 hai l\u1ec7nh c\u1ef1c k\u1ef3 h\u1eefu \u00edch \u0111\u1ec3 xem t\u1ed5ng quan t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o theo th\u1eddi gian th\u1ef1c.<\/p>\n<ul>\n<li><strong>L\u1ec7nh top:<\/strong> L\u1ec7nh n\u00e0y c\u00f3 s\u1eb5n tr\u00ean h\u1ea7u h\u1ebft c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux. B\u1ea1n ch\u1ec9 c\u1ea7n g\u00f5 top v\u00e0 nh\u1ea5n Enter.<\/li>\n<li><strong>L\u1ec7nh htop:<\/strong> \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p c\u1ee7a top v\u1edbi giao di\u1ec7n m\u00e0u s\u1eafc, tr\u1ef1c quan v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n c\u00e0i \u0111\u1eb7t n\u00f3 b\u1eb1ng l\u1ec7nh sudo apt install htop (cho Ubuntu\/Debian) ho\u1eb7c sudo yum install htop (cho CentOS).<\/li>\n<\/ul>\n<p>Khi ch\u1ea1y l\u1ec7nh, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c c\u1ed9t:<\/p>\n<ul>\n<li><strong>%CPU:<\/strong> T\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m CPU m\u00e0 m\u1ed7i ti\u1ebfn tr\u00ecnh \u0111ang s\u1eed d\u1ee5ng.<\/li>\n<li><strong>%MEM:<\/strong> T\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m RAM m\u00e0 m\u1ed7i ti\u1ebfn tr\u00ecnh \u0111ang s\u1eed d\u1ee5ng.<\/li>\n<li><strong>Load average:<\/strong> Ch\u1ec9 s\u1ed1 t\u1ea3i trung b\u00ecnh c\u1ee7a CPU trong 1, 5, v\u00e0 15 ph\u00fat qua. N\u1ebfu ch\u1ec9 s\u1ed1 n\u00e0y cao h\u01a1n s\u1ed1 l\u00f5i CPU c\u1ee7a b\u1ea1n, h\u1ec7 th\u1ed1ng \u0111ang b\u1ecb qu\u00e1 t\u1ea3i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Lenh-free-m-%E2%80%93-Kiem-tra-dung-luong-RAM-con-trong\"><\/span>L\u1ec7nh free -m \u2013 Ki\u1ec3m tra dung l\u01b0\u1ee3ng RAM c\u00f2n tr\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 xem chi ti\u1ebft h\u01a1n v\u1ec1 t\u00ecnh tr\u1ea1ng b\u1ed9 nh\u1edb RAM, l\u1ec7nh free -m l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. L\u1ec7nh n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng tin theo \u0111\u01a1n v\u1ecb Megabytes (MB).<\/p>\n<pre><code class=\"language-plaintext\">free -m<\/code><\/pre>\n<p>B\u1ea1n s\u1ebd th\u1ea5y k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 sau:<\/p>\n<pre><code class=\"language-plaintext\">total        used        free      shared  buff\/cache   available\r\nMem:           1993         750         120          15        1122        1050\r\nSwap:          1023           0        1023<\/code><\/pre>\n<ul>\n<li><strong>total:<\/strong> T\u1ed5ng dung l\u01b0\u1ee3ng RAM.<\/li>\n<li><strong>used:<\/strong> Dung l\u01b0\u1ee3ng RAM \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<li><strong>free:<\/strong> Dung l\u01b0\u1ee3ng RAM ho\u00e0n to\u00e0n tr\u1ed1ng.<\/li>\n<li><strong>buff\/cache:<\/strong> Dung l\u01b0\u1ee3ng RAM \u0111\u01b0\u1ee3c h\u1ec7 \u0111i\u1ec1u h\u00e0nh d\u00f9ng l\u00e0m b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 t\u0103ng t\u1ed1c. Ph\u1ea7n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng khi \u1ee9ng d\u1ee5ng c\u1ea7n.<\/li>\n<li><strong>available:<\/strong> \u0110\u00e2y l\u00e0 con s\u1ed1 quan tr\u1ecdng nh\u1ea5t, cho bi\u1ebft dung l\u01b0\u1ee3ng RAM th\u1ef1c t\u1ebf c\u00f2n l\u1ea1i cho c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Lenh-df-h-%E2%80%93-Theo-doi-dung-luong-o-cung\"><\/span>L\u1ec7nh df -h \u2013 Theo d\u00f5i dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng website &#8220;s\u1eadp&#8221; v\u00ec h\u1ebft dung l\u01b0\u1ee3ng, b\u1ea1n n\u00ean th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u1ed5 c\u1ee9ng b\u1eb1ng l\u1ec7nh df -h (h l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a human-readable, gi\u00fap hi\u1ec3n th\u1ecb dung l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng GB, MB).<\/p>\n<pre><code class=\"language-plaintext\">df -h<\/code><\/pre>\n<p>L\u1ec7nh n\u00e0y s\u1ebd li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n v\u00f9ng \u1ed5 c\u1ee9ng c\u00f9ng v\u1edbi t\u1ed5ng dung l\u01b0\u1ee3ng, dung l\u01b0\u1ee3ng \u0111\u00e3 d\u00f9ng, dung l\u01b0\u1ee3ng c\u00f2n tr\u1ed1ng v\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m \u0111\u00e3 s\u1eed d\u1ee5ng. H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn c\u1ed9t Use% \u0111\u1ec3 bi\u1ebft ph\u00e2n v\u00f9ng n\u00e0o s\u1eafp \u0111\u1ea7y.<\/p>\n<h4>L\u1ec7nh iftop ho\u1eb7c vnstat \u2013 Ki\u1ec3m tra b\u0103ng th\u00f4ng m\u1ea1ng<\/h4>\n<p>\u0110\u1ec3 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u0111ang ra v\u00e0o VPS, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng iftop ho\u1eb7c vnstat.<\/p>\n<ul>\n<li><strong>iftop:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 l\u01b0\u1ee3ng b\u0103ng th\u00f4ng ch\u00fang \u0111ang s\u1eed d\u1ee5ng theo th\u1eddi gian th\u1ef1c.<\/li>\n<li><strong>vnstat:<\/strong> Cung c\u1ea5p th\u1ed1ng k\u00ea t\u1ed5ng quan v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng theo gi\u1edd, ng\u00e0y, v\u00e0 th\u00e1ng.<\/li>\n<\/ul>\n<p>B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. Ch\u00fang r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 t\u00ecm ra c\u00e1c \u0111\u1ecba ch\u1ec9 IP \u0111ang chi\u1ebfm d\u1ee5ng nhi\u1ec1u b\u0103ng th\u00f4ng nh\u1ea5t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-kiem-tra-tai-nguyen-VPS-tren-Windows-Server\"><\/span>C\u00e1ch ki\u1ec3m tra t\u00e0i nguy\u00ean VPS tr\u00ean Windows Server<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u1edbi giao di\u1ec7n \u0111\u1ed3 h\u1ecda th\u00e2n thi\u1ec7n, vi\u1ec7c ki\u1ec3m tra t\u00e0i nguy\u00ean tr\u00ean <a href=\"https:\/\/interdata.vn\/blog\/vps-windows-la-gi\/\">VPS Windows<\/a> Server \u0111\u01a1n gi\u1ea3n h\u01a1n r\u1ea5t nhi\u1ec1u, ph\u00f9 h\u1ee3p cho c\u1ea3 nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng quen d\u00f9ng d\u00f2ng l\u1ec7nh.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-33820 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-2.jpg\" alt=\"Ki\u1ec3m tra t\u00e0i nguy\u00ean VPS\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-2.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-2-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Kiem-tra-tai-nguyen-VPS-2-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Task-Manager-%E2%80%93-Xem-nhanh-CPU-RAM-Disk\"><\/span>Task Manager \u2013 Xem nhanh CPU, RAM, Disk<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Task Manager l\u00e0 c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u00e0 m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 xem nhanh t\u00ecnh tr\u1ea1ng h\u1ec7 th\u1ed1ng.<\/p>\n<ul>\n<li>Nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0o thanh Taskbar v\u00e0 ch\u1ecdn <strong>Task Manager<\/strong>.<\/li>\n<li>Chuy\u1ec3n sang tab <strong>Performance<\/strong>.<\/li>\n<\/ul>\n<p>T\u1ea1i \u0111\u00e2y, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c bi\u1ec3u \u0111\u1ed3 tr\u1ef1c quan hi\u1ec3n th\u1ecb m\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng c\u1ee7a CPU, Memory (RAM), Disk (\u1ed4 c\u1ee9ng) v\u00e0 Ethernet (M\u1ea1ng) theo th\u1eddi gian th\u1ef1c. \u0110\u00e2y l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 hi\u1ec7u su\u1ea5t VPS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Resource-Monitor-Performance-Monitor-%E2%80%93-Chi-tiet-sau-hon-ve-hieu-nang\"><\/span>Resource Monitor &amp; Performance Monitor \u2013 Chi ti\u1ebft s\u00e2u h\u01a1n v\u1ec1 hi\u1ec7u n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n ph\u00e2n t\u00edch s\u00e2u h\u01a1n, h\u00e3y s\u1eed d\u1ee5ng Resource Monitor.<\/p>\n<p>Trong tab Performance c\u1ee7a Task Manager, nh\u1ea5p v\u00e0o li\u00ean k\u1ebft <strong>Open Resource Monitor<\/strong> \u1edf ph\u00eda d\u01b0\u1edbi.<\/p>\n<p>Resource Monitor cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 vi\u1ec7c ti\u1ebfn tr\u00ecnh (process) n\u00e0o \u0111ang s\u1eed d\u1ee5ng bao nhi\u00eau CPU, \u0111\u1ecdc\/ghi bao nhi\u00eau d\u1eef li\u1ec7u l\u00ean \u1ed5 c\u1ee9ng, s\u1eed d\u1ee5ng bao nhi\u00eau RAM, v\u00e0 t\u1ea1o ra bao nhi\u00eau l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng. C\u00f4ng c\u1ee5 n\u00e0y c\u1ef1c k\u1ef3 h\u1eefu \u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c &#8220;th\u1ee7 ph\u1ea1m&#8221; g\u00e2y ch\u1eadm h\u1ec7 th\u1ed1ng.<\/p>\n<blockquote><p>Kh\u00f4ng mu\u1ed1n m\u1ea5t nhi\u1ec1u th\u1eddi gian ki\u1ec3m tra th\u1ee7 c\u00f4ng? V\u1edbi <a href=\"https:\/\/interdata.vn\/thue-vps\/\"><strong>d\u1ecbch v\u1ee5 thu\u00ea VPS hi\u1ec7u n\u0103ng m\u1ea1nh m\u1ebd, gi\u00e1 \u01b0u \u0111\u00e3i<\/strong><\/a> t\u1ea1i InterData, b\u1ea1n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t t\u00e0i nguy\u00ean tr\u1ef1c quan ngay tr\u00ean trang qu\u1ea3n tr\u1ecb, gi\u00fap qu\u1ea3n l\u00fd d\u1ec5 d\u00e0ng v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian.<\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Cong-cu-va-phan-mem-giam-sat-VPS\"><\/span>C\u00f4ng c\u1ee5 v\u00e0 ph\u1ea7n m\u1ec1m gi\u00e1m s\u00e1t VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngo\u00e0i c\u00e1c l\u1ec7nh v\u00e0 c\u00f4ng c\u1ee5 c\u00f3 s\u1eb5n, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 nh\u1eadn c\u1ea3nh b\u00e1o s\u1edbm.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-33815\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cong-cu-giam-sat-tai-nguyen-VPS.jpg\" alt=\"C\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t t\u00e0i nguy\u00ean VPS\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cong-cu-giam-sat-tai-nguyen-VPS.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cong-cu-giam-sat-tai-nguyen-VPS-300x300.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Cong-cu-giam-sat-tai-nguyen-VPS-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grafana-Prometheus-%E2%80%93-Giam-sat-chuyen-nghiep-cho-doanh-nghiep\"><\/span>Grafana, Prometheus \u2013 Gi\u00e1m s\u00e1t chuy\u00ean nghi\u1ec7p cho doanh nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 b\u1ed9 \u0111\u00f4i c\u00f4ng c\u1ee5 m\u00e3 ngu\u1ed3n m\u1edf m\u1ea1nh m\u1ebd, th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c doanh nghi\u1ec7p v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng chuy\u00ean nghi\u1ec7p s\u1eed d\u1ee5ng. Prometheus thu th\u1eadp d\u1eef li\u1ec7u hi\u1ec7u su\u1ea5t chi ti\u1ebft t\u1eeb VPS c\u1ee7a b\u1ea1n, c\u00f2n Grafana s\u1ebd bi\u1ebfn nh\u1eefng d\u1eef li\u1ec7u \u0111\u00f3 th\u00e0nh c\u00e1c bi\u1ec3u \u0111\u1ed3, \u0111\u1ed3 th\u1ecb \u0111\u1eb9p m\u1eaft v\u00e0 d\u1ec5 theo d\u00f5i. H\u1ec7 th\u1ed1ng n\u00e0y cho ph\u00e9p b\u1ea1n thi\u1ebft l\u1eadp c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng khi m\u1ed9t ng\u01b0\u1ee1ng t\u00e0i nguy\u00ean n\u00e0o \u0111\u00f3 b\u1ecb v\u01b0\u1ee3t qua.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Control-Panel-cPanel-Plesk-DirectAdmin-%E2%80%93-Theo-doi-truc-quan-cho-nguoi-moi\"><\/span>Control Panel (cPanel, Plesk, DirectAdmin) \u2013 Theo d\u00f5i tr\u1ef1c quan cho ng\u01b0\u1eddi m\u1edbi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ed9t trong c\u00e1c control panel ph\u1ed5 bi\u1ebfn nh\u01b0 cPanel, Plesk, hay <a href=\"https:\/\/interdata.vn\/blog\/directadmin-la-gi\/\">DirectAdmin<\/a>, tin vui l\u00e0 ch\u00fang \u0111\u1ec1u t\u00edch h\u1ee3p s\u1eb5n c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t t\u00e0i nguy\u00ean. Th\u01b0\u1eddng th\u00ec ngay tr\u00ean trang t\u1ed5ng quan, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c bi\u1ec3u \u0111\u1ed3 ho\u1eb7c thanh tr\u1ea1ng th\u00e1i hi\u1ec3n th\u1ecb ph\u1ea7n tr\u0103m s\u1eed d\u1ee5ng c\u1ee7a CPU, RAM, v\u00e0 dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng. \u0110\u00e2y l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u01a1n gi\u1ea3n v\u00e0 th\u00e2n thi\u1ec7n nh\u1ea5t cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi-thuong-gap-va-cach-khac-phuc-khi-tai-nguyen-VPS-qua-tai\"><\/span>L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c khi t\u00e0i nguy\u00ean VPS qu\u00e1 t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ph\u00e1t hi\u1ec7n ra v\u1ea5n \u0111\u1ec1 l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean, x\u1eed l\u00fd n\u00f3 m\u1edbi l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn v\u00e0 h\u01b0\u1edbng gi\u1ea3i quy\u1ebft t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Van-de-CPU-qua-tai\"><\/span>V\u1ea5n \u0111\u1ec1: CPU qu\u00e1 t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>D\u1ea5u hi\u1ec7u:<\/strong> Website load r\u1ea5t ch\u1eadm, x\u1eed l\u00fd t\u00e1c v\u1ee5 m\u1ea5t nhi\u1ec1u th\u1eddi gian.<\/p>\n<p><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n<ul>\n<li><strong>T\u1ed1i \u01b0u m\u00e3 ngu\u1ed3n:<\/strong> Ki\u1ec3m tra l\u1ea1i code website, c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/plugin-la-gi\/\">plugin<\/a> ho\u1eb7c theme \u0111ang s\u1eed d\u1ee5ng. M\u1ed9t plugin kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u t\u1ed1t c\u00f3 th\u1ec3 chi\u1ebfm d\u1ee5ng r\u1ea5t nhi\u1ec1u CPU.<\/li>\n<li><strong>S\u1eed d\u1ee5ng Caching:<\/strong> C\u00e0i \u0111\u1eb7t c\u00e1c plugin t\u1ea1o b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) \u0111\u1ec3 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u ph\u1ea3i x\u1eed l\u00fd b\u1edfi CPU.<\/li>\n<li><strong>N\u00e2ng c\u1ea5p g\u00f3i VPS:<\/strong> N\u1ebfu \u0111\u00e3 t\u1ed1i \u01b0u m\u00e0 CPU v\u1eabn cao, c\u00f3 th\u1ec3 \u0111\u00e3 \u0111\u1ebfn l\u00fac b\u1ea1n c\u1ea7n m\u1ed9t g\u00f3i VPS v\u1edbi nhi\u1ec1u l\u00f5i CPU h\u01a1n t\u1ea1i <strong>InterData<\/strong>.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Van-de-RAM-thieu\"><\/span>V\u1ea5n \u0111\u1ec1: RAM thi\u1ebfu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>D\u1ea5u hi\u1ec7u:<\/strong> Website th\u01b0\u1eddng xuy\u00ean b\u00e1o l\u1ed7i 500 Internal Server Error, h\u1ec7 th\u1ed1ng b\u1ecb treo.<\/p>\n<p><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n<ul>\n<li><strong>T\u1eaft c\u00e1c d\u1ecbch v\u1ee5 kh\u00f4ng c\u1ea7n thi\u1ebft:<\/strong> Ki\u1ec3m tra v\u00e0 t\u1eaft c\u00e1c d\u1ecbch v\u1ee5 \u0111ang ch\u1ea1y ng\u1ea7m m\u00e0 b\u1ea1n kh\u00f4ng s\u1eed d\u1ee5ng.<\/li>\n<li><strong>T\u1ed1i \u01b0u c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/strong> M\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u t\u1ed1t s\u1ebd s\u1eed d\u1ee5ng \u00edt RAM h\u01a1n.<\/li>\n<li><strong>N\u00e2ng c\u1ea5p RAM:<\/strong> \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3 nh\u1ea5t. Vi\u1ec7c th\u00eam RAM s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng \u0111a nhi\u1ec7m c\u1ee7a VPS.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Van-de-O-cung-day\"><\/span>V\u1ea5n \u0111\u1ec1: \u1ed4 c\u1ee9ng \u0111\u1ea7y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>D\u1ea5u hi\u1ec7u:<\/strong> Kh\u00f4ng th\u1ec3 t\u1ea3i l\u00ean t\u1ec7p tin m\u1edbi, website b\u00e1o l\u1ed7i c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<p><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n<ul>\n<li><strong>X\u00f3a file log v\u00e0 file t\u1ea1m:<\/strong> C\u00e1c file log c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 chi\u1ebfm r\u1ea5t nhi\u1ec1u dung l\u01b0\u1ee3ng theo th\u1eddi gian.<\/li>\n<li><strong>D\u1ecdn d\u1eb9p c\u00e1c b\u1ea3n sao l\u01b0u c\u0169:<\/strong> Gi\u1eef l\u1ea1i 1-2 b\u1ea3n sao l\u01b0u g\u1ea7n nh\u1ea5t v\u00e0 x\u00f3a nh\u1eefng b\u1ea3n c\u0169 h\u01a1n.<\/li>\n<li><strong>N\u00e2ng c\u1ea5p dung l\u01b0\u1ee3ng:<\/strong> N\u1ebfu d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n th\u1ef1c s\u1ef1 l\u1edbn, h\u00e3y c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p l\u00ean g\u00f3i VPS c\u00f3 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef cao h\u01a1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Van-de-Network-cham\"><\/span>V\u1ea5n \u0111\u1ec1: Network ch\u1eadm<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>D\u1ea5u hi\u1ec7u:<\/strong> T\u1ed1c \u0111\u1ed9 t\u1ea3i trang kh\u00f4ng \u1ed5n \u0111\u1ecbnh, k\u1ebft n\u1ed1i t\u1edbi VPS b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<p><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng CDN (<a href=\"https:\/\/interdata.vn\/blog\/cdn-la-gi\/\">Content Delivery Network<\/a>):<\/strong> CDN gi\u00fap ph\u00e2n ph\u1ed1i c\u00e1c t\u1ec7p t\u0129nh (h\u00ecnh \u1ea3nh, CSS, JS) t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 g\u1ea7n ng\u01b0\u1eddi d\u00f9ng nh\u1ea5t, gi\u1ea3m t\u1ea3i cho b\u0103ng th\u00f4ng c\u1ee7a VPS.<\/li>\n<li><strong>Ki\u1ec3m tra l\u01b0u l\u01b0\u1ee3ng b\u1ea5t th\u01b0\u1eddng:<\/strong> S\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh nh\u01b0 iftop \u0111\u1ec3 xem c\u00f3 \u0111\u1ecba ch\u1ec9 IP n\u00e0o \u0111ang g\u1eedi qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1ebfn VPS c\u1ee7a b\u1ea1n kh\u00f4ng.<\/li>\n<li><strong>Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p:<\/strong> N\u1ebfu nghi ng\u1edd c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u01b0\u1eddng truy\u1ec1n, h\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 c\u1ee7a InterData \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Chu-dong-giam-sat-de-dam-bao-hieu-suat\"><\/span>Ch\u1ee7 \u0111\u1ed9ng gi\u00e1m s\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c ch\u1ee7 \u0111\u1ed9ng <strong>ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS<\/strong> l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c thi\u1ebft y\u1ebfu, kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c ch\u1ec9 l\u00e0m khi c\u00f3 s\u1ef1 c\u1ed1. B\u1eb1ng c\u00e1ch theo d\u00f5i th\u01b0\u1eddng xuy\u00ean, b\u1ea1n c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c &#8220;s\u1ee9c kh\u1ecfe&#8221; c\u1ee7a m\u00e1y ch\u1ee7, d\u1ef1 \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh n\u00e2ng c\u1ea5p \u0111\u00fang th\u1eddi \u0111i\u1ec3m.<\/p>\n<p>H\u00e3y t\u1ea1o th\u00f3i quen ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 h\u00e0ng tu\u1ea7n, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p v\u1edbi tr\u00ecnh \u0111\u1ed9 c\u1ee7a b\u1ea1n, v\u00e0 \u0111\u1eebng ng\u1ea7n ng\u1ea1i t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng. M\u1ed9t VPS ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh kh\u00f4ng ch\u1ec9 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1t cho ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 c\u00f4ng s\u1ee9c v\u1ec1 l\u00e2u d\u00e0i.<\/p>\n<blockquote><p><strong>\u0110\u1eebng \u0111\u1ec3 website ho\u1eb7c \u1ee9ng d\u1ee5ng b\u1ecb ch\u1eadm do VPS qu\u00e1 t\u1ea3i!<\/strong> N\u00e2ng c\u1ea5p ngay v\u1edbi d\u1ecbch v\u1ee5 <strong>thu\u00ea m\u00e1y ch\u1ee7 \u1ea3o VPS hi\u1ec7u n\u0103ng cao, gi\u00e1 r\u1ebb t\u1ea1i InterData<\/strong> \u0111\u1ec3 t\u1eadn h\u01b0\u1edfng h\u1ea1 t\u1ea7ng m\u1ea1nh m\u1ebd, \u1ed5 c\u1ee9ng SSD NVMe t\u1ed1c \u0111\u1ed9 cao v\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p 24\/7 t\u1eeb \u0111\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Website c\u1ee7a b\u1ea1n \u0111\u1ed9t nhi\u00ean ch\u1eadm \u0111i m\u1ed9t c\u00e1ch kh\u00f3 hi\u1ec3u? C\u00e1c thao t\u00e1c qu\u1ea3n tr\u1ecb m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n b\u00ecnh th\u01b0\u1eddng? R\u1ea5t c\u00f3 th\u1ec3 m\u00e1y ch\u1ee7 \u1ea3o c\u1ee7a b\u1ea1n \u0111ang b\u1ecb qu\u00e1 t\u1ea3i. Vi\u1ec7c ki\u1ec3m tra th\u00f4ng tin t\u00e0i nguy\u00ean VPS th\u01b0\u1eddng xuy\u00ean l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o website hay<\/p>\n","protected":false},"author":2,"featured_media":33818,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-33812","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=33812"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33812\/revisions"}],"predecessor-version":[{"id":37070,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33812\/revisions\/37070"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/33818"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=33812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=33812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=33812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}