{"id":41267,"date":"2026-05-18T11:01:24","date_gmt":"2026-05-18T04:01:24","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=41267"},"modified":"2026-05-18T11:04:27","modified_gmt":"2026-05-18T04:04:27","slug":"doi-mat-khau-vps","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn \u0110\u1ed5i M\u1eadt Kh\u1ea9u VPS \u0110\u01a1n Gi\u1ea3n, T\u1eebng B\u01b0\u1edbc"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\/doi-mat-khau-vps\/#Doi-mat-khau-VPS-qua-portal-InterData\" >\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS qua portal InterData<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Doi-mat-khau-VPS-Windows-%E2%80%94-2-cach-pho-bien-nhat\" >\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows \u2014 2 c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Cach-1-Doi-qua-giao-dien-quan-tri-User-Accounts\" >C\u00e1ch 1: \u0110\u1ed5i qua giao di\u1ec7n qu\u1ea3n tr\u1ecb (User Accounts)<\/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\/doi-mat-khau-vps\/#Cach-2-Doi-bang-Command-Line-CMDPowerShell\" >C\u00e1ch 2: \u0110\u1ed5i b\u1eb1ng Command Line (CMD\/PowerShell)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Doi-mat-khau-VPS-Linux-%E2%80%94-Lenh-passwd-va-cac-bien-the\" >\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Linux \u2014 L\u1ec7nh passwd v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Doi-mat-khau-root-tai-khoan-chinh\" >\u0110\u1ed5i m\u1eadt kh\u1ea9u root (t\u00e0i kho\u1ea3n ch\u00ednh)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Doi-mat-khau-cho-user-khac\" >\u0110\u1ed5i m\u1eadt kh\u1ea9u cho user kh\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Doi-xong-roi-%E2%80%94-Can-kiem-tra-va-lam-them-gi\" >\u0110\u1ed5i xong r\u1ed3i \u2014 C\u1ea7n ki\u1ec3m tra v\u00e0 l\u00e0m th\u00eam g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#Mat-khau-VPS-manh-la-nhu-the-nao\" >M\u1eadt kh\u1ea9u VPS m\u1ea1nh l\u00e0 nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/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\/doi-mat-khau-vps\/#Quen-mat-khau-VPS-%E2%80%94-Xu-ly-ra-sao\" >Qu\u00ean m\u1eadt kh\u1ea9u VPS \u2014 X\u1eed l\u00fd ra sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/doi-mat-khau-vps\/#FAQ-%E2%80%94-Cau-hoi-thuong-gap-khi-doi-mat-khau-VPS\" >FAQ \u2014 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi \u0111\u1ed5i m\u1eadt kh\u1ea9u VPS<\/a><\/li><\/ul><\/nav><\/div>\n<p>\u0110\u1ed5i m\u1eadt kh\u1ea9u <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">VPS<\/a> t\u01b0\u1edfng \u0111\u01a1n gi\u1ea3n, nh\u01b0ng n\u1ebfu l\u00e0m kh\u00f4ng \u0111\u00fang c\u00e1ch \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 qua portal nh\u00e0 cung c\u1ea5p \u2014 b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 kh\u00f3a ch\u00ednh m\u00ecnh ra kh\u1ecfi server. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u VPS tr\u00ean Portal, Windows v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh-linux-la-gi\/\">Linux<\/a> k\u00e8m theo nh\u1eefng l\u01b0u \u00fd b\u1ea3o m\u1eadt th\u1ef1c t\u1ebf m\u00e0 nhi\u1ec1u h\u01b0\u1edbng d\u1eabn th\u01b0\u1eddng b\u1ecf qua.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-41275\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Huong-dan-doi-mat-khau-VPS.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn \u0111\u1ed5i m\u1eadt kh\u1ea9u VPS\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Huong-dan-doi-mat-khau-VPS.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Huong-dan-doi-mat-khau-VPS-300x200.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Doi-mat-khau-VPS-qua-portal-InterData\"><\/span>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS qua portal InterData<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 <a href=\"https:\/\/interdata.vn\/blog\/ssh-la-gi\/\">SSH<\/a> hay Remote Desktop (RDP) v\u00e0o VPS \u2014 c\u00f3 th\u1ec3 do qu\u00ean s\u1ea1ch m\u1eadt kh\u1ea9u ho\u1eb7c b\u1ecb lock out \u2014 c\u00e1ch duy nh\u1ea5t v\u00e0 nhanh g\u1ecdn nh\u1ea5t l\u00e0 \u0111\u1ed5i tr\u1ef1c ti\u1ebfp t\u1eeb giao di\u1ec7n qu\u1ea3n l\u00fd c\u1ee7a nh\u00e0 cung c\u1ea5p.<\/p>\n<p>Tr\u00ean h\u1ec7 th\u1ed1ng c\u1ee7a <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong><\/a>, quy tr\u00ecnh th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> \u0110\u0103ng nh\u1eadp v\u00e0o <a href=\"https:\/\/support.interdata.vn\/\" target=\"_blank\" rel=\"nofollow noopener\">support.interdata.vn<\/a> \u2192 Tr\u00ean menu \u0111i\u1ec1u h\u01b0\u1edbng nh\u1ea5p ch\u1ecdn <strong>Qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5<\/strong>\u00a0\u2192 ch\u1ecdn VPS b\u1ea1n c\u1ea7n \u0111\u1ed5i m\u1eadt kh\u1ea9u.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> T\u1ea1i trang th\u00f4ng tin d\u1ecbch v\u1ee5, k\u00e9o xu\u1ed1ng ph\u1ea7n <strong>Th\u00f4ng tin <a href=\"https:\/\/interdata.vn\/blog\/may-chu-server-la-gi\/\">m\u00e1y ch\u1ee7<\/a><\/strong>\u00a0\u2192 nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng\u00a0<strong>Setting<\/strong> (bi\u1ec3u t\u01b0\u1ee3ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41271\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-1.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS qua portal InterData 1\" width=\"700\" height=\"529\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-1.png 1151w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-1-300x227.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-1-1024x774.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-1-768x581.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Ch\u1ecdn <strong>Change Password<\/strong>\u00a0\u2192 nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi \u2192 b\u1ea5m\u00a0<strong>Change Password<\/strong>\u00a0\u0111\u1ec3 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41272\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-2.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS qua portal InterData 2\" width=\"700\" height=\"542\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-2.png 846w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-2-300x232.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-qua-portal-InterData-2-768x595.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>C\u00e1ch n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng y\u00eau c\u1ea7u b\u1ea1n \u0111\u0103ng nh\u1eadp v\u00e0o VPS, gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 t\u00ecnh hu\u1ed1ng &#8220;qu\u00ean s\u1ea1ch th\u00f4ng tin&#8221;.<\/p>\n<blockquote><p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm VPS c\u1ea5u h\u00ecnh cao, gi\u00e1 h\u1ee3p l\u00fd v\u00e0 mu\u1ed1n d\u00f9ng th\u1eed tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh \u2014 InterData h\u1ed7 tr\u1ee3 d\u00f9ng th\u1eed mi\u1ec5n ph\u00ed, \u0111\u1ed5i m\u1eadt kh\u1ea9u d\u1ec5 d\u00e0ng ngay tr\u00ean portal qu\u1ea3n l\u00fd.<\/p>\n<p><a style=\"display: inline-block; padding: 10px 18px; border: 2px solid #0A4FF6; border-radius: 8px; color: #0a4ff6; text-decoration: none; font-weight: 600;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Xem B\u1ea3ng Gi\u00e1 VPS R\u1ebb Ngay \u2192<br \/>\n<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Doi-mat-khau-VPS-Windows-%E2%80%94-2-cach-pho-bien-nhat\"><\/span>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows \u2014 2 c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi b\u1ea1n v\u1eabn c\u00f2n quy\u1ec1n truy c\u1eadp v\u00e0o <a href=\"https:\/\/interdata.vn\/blog\/vps-windows-la-gi\/\">VPS Windows<\/a>, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn thao t\u00e1c tr\u00ean giao di\u1ec7n \u0111\u1ed3 h\u1ecda ho\u1eb7c g\u00f5 l\u1ec7nh nhanh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach-1-Doi-qua-giao-dien-quan-tri-User-Accounts\"><\/span>C\u00e1ch 1: \u0110\u1ed5i qua giao di\u1ec7n qu\u1ea3n tr\u1ecb (User Accounts)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1ch n\u00e0y tr\u1ef1c quan, ph\u00f9 h\u1ee3p n\u1ebfu b\u1ea1n quen thu\u1ed9c v\u1edbi giao di\u1ec7n Windows. Thao t\u00e1c \u00e1p d\u1ee5ng t\u01b0\u01a1ng t\u1ef1 cho <a href=\"https:\/\/interdata.vn\/blog\/windows-server-la-gi\/\">Windows Server<\/a> 2012, 2016, 2019 v\u00e0 2022:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> <a href=\"https:\/\/interdata.vn\/blog\/truy-cap-vps-windows-remote-desktop-connection\/\" target=\"_blank\" rel=\"noopener\">Remote Desktop (RDP) v\u00e0o VPS<\/a>.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> B\u1ea5m n\u00fat <strong>Start<\/strong>, g\u00f5 &#8220;account&#8221; v\u00e0 ch\u1ecdn\u00a0<strong>Manage Your Account<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41276\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-1.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows b\u1eb1ng User Account 1\" width=\"700\" height=\"647\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-1.png 877w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-1-300x277.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-1-768x709.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Ch\u1ecdn <b>Sign-in Options <\/b>\u2192 ch\u1ecdn <strong>Password<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41277\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-2.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows b\u1eb1ng User Account 2\" width=\"700\" height=\"405\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-2.png 833w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-2-300x174.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-2-768x444.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> B\u1ea5m <strong>Change<\/strong>\u00a0\u2192 nh\u1eadp m\u1eadt kh\u1ea9u hi\u1ec7n t\u1ea1i v\u00e0o \u00f4\u00a0<em>Current password<\/em>, sau \u0111\u00f3 \u0111i\u1ec1n m\u1eadt kh\u1ea9u m\u1edbi v\u00e0o \u00f4\u00a0<em>New password<\/em>\u00a0v\u00e0\u00a0<em>Confirm<\/em>\u00a0\u2192 B\u1ea5m\u00a0<strong>Change password<\/strong>\u00a0\u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41278\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-3.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows b\u1eb1ng User Account 3\" width=\"700\" height=\"446\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-3.png 1243w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-3-300x191.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-3-1024x652.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-User-Account-3-768x489.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>Nh\u1edb nh\u00e9, c\u00e1ch n\u00e0y b\u1eaft bu\u1ed9c b\u1ea1n ph\u1ea3i nh\u1edb m\u1eadt kh\u1ea9u c\u0169. N\u1ebfu \u0111\u1ea7u \u00f3c tr\u1ed1ng r\u1ed7ng khi \u0111\u01b0\u1ee3c h\u1ecfi m\u1eadt kh\u1ea9u c\u0169, h\u00e3y chuy\u1ec3n ngay sang C\u00e1ch 2.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach-2-Doi-bang-Command-Line-CMDPowerShell\"><\/span>C\u00e1ch 2: \u0110\u1ed5i b\u1eb1ng Command Line (CMD\/PowerShell)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch c\u1ee9u c\u00e1nh tuy\u1ec7t v\u1eddi khi b\u1ea1n \u0111ang trong phi\u00ean RDP nh\u01b0ng l\u1ea1i qu\u00ean m\u1ea5t m\u1eadt kh\u1ea9u c\u0169. L\u1ee3i th\u1ebf l\u1edbn l\u00e0 l\u1ec7nh n\u00e0y kh\u00f4ng y\u00eau c\u1ea7u nh\u1eadp pass hi\u1ec7n t\u1ea1i.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf <strong>CMD<\/strong> ho\u1eb7c\u00a0d\u01b0\u1edbi quy\u1ec1n Administrator.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> G\u00f5 l\u1ec7nh theo c\u00fa ph\u00e1p sau:<\/p>\n<pre><code class=\"language-bash\">net user administrator matkhaumoi\r\n<\/code><\/pre>\n<p>(Thay &#8220;administrator&#8221; b\u1eb1ng t\u00ean t\u00e0i kho\u1ea3n th\u1ef1c t\u1ebf, v\u00e0 &#8220;matkhaumoi&#8221; b\u1eb1ng m\u1eadt kh\u1ea9u b\u1ea1n mu\u1ed1n \u0111\u1eb7t).<\/p>\n<p>V\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/p>\n<pre><code class=\"language-bash\">net user administrator P@ssw0rd!2025\r\n<\/code><\/pre>\n<p>L\u1ec7nh n\u00e0y s\u1ebd l\u1eadp t\u1ee9c g\u00e1n m\u1eadt kh\u1ea9u\u00a0<code>P@ssw0rd!2025<\/code>\u00a0cho t\u00e0i kho\u1ea3n Administrator m\u00e0 kh\u00f4ng h\u1ecfi pass c\u0169.<\/p>\n<p><em><strong>L\u01b0u \u00fd:<\/strong>\u00a0H\u1ec7 th\u1ed1ng ch\u1ec9 cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t sau:\u00a0<code>! @ # $ % ^ &amp; * _ \u2013 + = ?<\/code>. N\u1ebfu b\u1ea1n d\u00f9ng c\u00e1c k\u00fd t\u1ef1 kh\u00e1c (nh\u01b0 d\u1ea5u ch\u1ea5m, ph\u1ea9y, ngo\u1eb7c \u0111\u01a1n&#8230;), portal v\u1eabn b\u00e1o \u0111\u1ed5i th\u00e0nh c\u00f4ng, nh\u01b0ng m\u1eadt kh\u1ea9u m\u1edbi s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. Chuy\u1ec7n b\u1ecb lock out ch\u1ec9 v\u00ec d\u00f9ng sai k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t x\u1ea3y ra r\u1ea5t ph\u1ed5 bi\u1ebfn!<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41279\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-terminal.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Windows b\u1eb1ng terminal\" width=\"700\" height=\"376\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-terminal.png 1010w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-terminal-300x161.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Windows-bang-terminal-768x412.png 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Doi-mat-khau-VPS-Linux-%E2%80%94-Lenh-passwd-va-cac-bien-the\"><\/span>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Linux \u2014 L\u1ec7nh passwd v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>V\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/vps-linux-la-gi\/\">VPS Linux<\/a>, m\u1ecdi th\u1ee9 di\u1ec5n ra nhanh g\u1ecdn qua terminal SSH. Tuy nhi\u00ean, c\u00f3 m\u1ed9t v\u00e0i \u0111\u1eb7c th\u00f9 b\u1ea1n c\u1ea7n bi\u1ebft \u0111\u1ec3 kh\u00f4ng t\u1ef1 ho\u1ea3ng lo\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Doi-mat-khau-root-tai-khoan-chinh\"><\/span>\u0110\u1ed5i m\u1eadt kh\u1ea9u root (t\u00e0i kho\u1ea3n ch\u00ednh)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> <a href=\"https:\/\/interdata.vn\/blog\/cach-truy-cap-vps-linux-bang-ssh\/\" target=\"_blank\" rel=\"noopener\">SSH v\u00e0o VPS<\/a>.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong><\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang \u0111\u0103ng nh\u1eadp b\u1eb1ng t\u00e0i kho\u1ea3n root, ch\u1ec9 c\u1ea7n g\u00f5:<\/p>\n<pre><code class=\"language-bash\">passwd\r\n<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-41273\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Linux-tren-terminal.png\" alt=\"\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS Linux tr\u00ean terminal\" width=\"367\" height=\"115\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Linux-tren-terminal.png 367w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Doi-mat-khau-VPS-Linux-tren-terminal-300x94.png 300w\" sizes=\"auto, (max-width: 367px) 100vw, 367px\" \/><\/p>\n<p>N\u1ebfu \u0111ang d\u00f9ng user th\u01b0\u1eddng c\u00f3 quy\u1ec1n sudo, g\u00f5:<\/p>\n<pre><code class=\"language-bash\">sudo passwd root\r\n<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi, sau \u0111\u00f3 y\u00eau c\u1ea7u g\u00f5 l\u1ea1i (Retype new password). Khi th\u1ea5y th\u00f4ng b\u00e1o\u00a0<em>&#8220;passwd: all <a href=\"https:\/\/interdata.vn\/blog\/authentication-la-gi\/\">authentication<\/a> tokens updated successfully&#8221;<\/em>\u00a0l\u00e0 xong.<\/p>\n<p><strong>M\u1ed9t t\u00ecnh hu\u1ed1ng r\u1ea5t hay g\u1eb7p:<\/strong>\u00a0Khi g\u00f5 m\u1eadt kh\u1ea9u m\u1edbi v\u00e0o terminal Linux, m\u00e0n h\u00ecnh s\u1ebd kh\u00f4ng hi\u1ec3n th\u1ecb g\u00ec c\u1ea3 \u2014 kh\u00f4ng c\u00f3 d\u1ea5u ch\u1ea5m, kh\u00f4ng c\u00f3 d\u1ea5u sao, tr\u00f4ng nh\u01b0 b\u00e0n ph\u00edm v\u1eeba h\u1ecfng. \u0110\u1eebng lo, \u0111\u00f3 l\u00e0 c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt c\u1ee7a Linux. M\u1eb9o nh\u1ecf cho b\u1ea1n: h\u00e3y so\u1ea1n s\u1eb5n m\u1eadt kh\u1ea9u \u1edf m\u1ed9t file text ri\u00eang, sau \u0111\u00f3 copy v\u00e0 paste v\u00e0o terminal b\u1eb1ng chu\u1ed9t ph\u1ea3i cho ch\u1eafc c\u00fa, kh\u1ecfi s\u1ee3 g\u00f5 nh\u1ea7m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Doi-mat-khau-cho-user-khac\"><\/span>\u0110\u1ed5i m\u1eadt kh\u1ea9u cho user kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu VPS c\u1ee7a b\u1ea1n c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng, ho\u1eb7c b\u1ea1n t\u1ea1o c\u00e1c user ri\u00eang bi\u1ec7t cho t\u1eebng d\u1ecbch v\u1ee5\/\u1ee9ng d\u1ee5ng, vi\u1ec7c \u0111\u1ed5i pass cho user kh\u00e1c r\u1ea5t b\u00ecnh th\u01b0\u1eddng. B\u1ea1n c\u1ea7n <a href=\"https:\/\/interdata.vn\/blog\/root-access-la-gi\/\">quy\u1ec1n root<\/a> ho\u1eb7c sudo:<\/p>\n<pre><code class=\"language-bash\">sudo passwd ten_user\r\n<\/code><\/pre>\n<p>Quy tr\u00ecnh nh\u1eadp m\u1eadt kh\u1ea9u m\u1edbi di\u1ec5n ra y h\u1ec7t nh\u01b0 tr\u00ean.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Doi-xong-roi-%E2%80%94-Can-kiem-tra-va-lam-them-gi\"><\/span>\u0110\u1ed5i xong r\u1ed3i \u2014 C\u1ea7n ki\u1ec3m tra v\u00e0 l\u00e0m th\u00eam g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed5i m\u1eadt kh\u1ea9u xong kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 xong. \u0110\u00e2y l\u00e0 ph\u1ea7n hay b\u1ecb b\u1ecf qu\u00ean nh\u1ea5t, d\u1eabn \u0111\u1ebfn h\u00e0ng lo\u1ea1t s\u1ef1 c\u1ed1 sau \u0111\u00f3.<\/p>\n<p>\u0110\u1ea7u ti\u00ean,\u00a0<strong>\u0111\u1eebng v\u1ed9i t\u1eaft session SSH\/RDP hi\u1ec7n t\u1ea1i<\/strong>. H\u00e3y m\u1edf m\u1ed9t c\u1eeda s\u1ed5 m\u1edbi, \u0111\u0103ng xu\u1ea5t v\u00e0 \u0111\u0103ng nh\u1eadp l\u1ea1i b\u1eb1ng m\u1eadt kh\u1ea9u m\u1edbi \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 ho\u1ea1t \u0111\u1ed9ng. N\u1ebfu b\u1ea1n \u0111\u00f3ng c\u1eeda s\u1ed5 c\u0169 ngay m\u00e0 pass m\u1edbi kh\u00f4ng \u0111u\u1ee3c, b\u1ea1n v\u1eeba t\u1ef1 \u0111\u00e1 m\u00ecnh ra kh\u1ecfi VPS.<\/p>\n<p>Ti\u1ebfp theo, h\u00e3y r\u00e0 so\u00e1t v\u00e0 c\u1eadp nh\u1eadt m\u1eadt kh\u1ea9u m\u1edbi \u1edf nh\u1eefng n\u01a1i \u0111\u00e3 l\u01b0u pass c\u0169:<\/p>\n<ul>\n<li>Ph\u1ea7n m\u1ec1m Remote Desktop (RDP) c\u00f3 t\u00ednh n\u0103ng l\u01b0u s\u1eb5n m\u1eadt kh\u1ea9u.<\/li>\n<li><a href=\"https:\/\/interdata.vn\/blog\/putty-la-gi\/\">PuTTY<\/a> ho\u1eb7c c\u00e1c SSH client kh\u00e1c trong saved sessions.<\/li>\n<li>C\u00e1c script t\u1ef1 \u0111\u1ed9ng, cron job, ho\u1eb7c <a href=\"https:\/\/interdata.vn\/blog\/ci-cd-la-gi\/\">CI\/CD<\/a> pipeline c\u00f3 hardcode m\u1eadt kh\u1ea9u c\u0169.<\/li>\n<\/ul>\n<p>Ri\u00eang \u0111\u1ed1i v\u1edbi VPS Windows \u0111\u1ed5i qua portal:\u00a0<strong>b\u1eaft bu\u1ed9c ph\u1ea3i restart VPS<\/strong>\u00a0(Power Off \u2192 Start). \u0110\u1ed5i xong m\u00e0 kh\u00f4ng restart, VPS v\u1eabn s\u1ebd nh\u1eadn m\u1eadt kh\u1ea9u c\u0169.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, h\u00e3y l\u01b0u m\u1eadt kh\u1ea9u m\u1edbi v\u00e0o Password Manager (nh\u01b0 Bitwarden, KeePass, 1Password). \u0110\u1eebng bao gi\u1edd l\u01b0u trong file\u00a0<code>.txt<\/code>\u00a0tr\u00ean desktop hay d\u00e1n tr\u00ean sticky note \u2014 chuy\u1ec7n b\u1ecb chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n VPS ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 th\u1eddi gian n\u1ebfu b\u1ea1n b\u1ea3o m\u1eadt qua loa nh\u01b0 v\u1eady.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mat-khau-VPS-manh-la-nhu-the-nao\"><\/span>M\u1eadt kh\u1ea9u VPS m\u1ea1nh l\u00e0 nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed5i m\u1eadt kh\u1ea9u l\u00e0 chuy\u1ec7n nh\u1ecf, nh\u01b0ng \u0111\u1eb7t sao cho \u0111\u00fang m\u1edbi l\u00e0 chuy\u1ec7n l\u1edbn. \u0110\u1eebng \u0111\u1ec3 VPS c\u1ee7a m\u00ecnh tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a c\u00e1c cu\u1ed9c brute-force ch\u1ec9 v\u00ec l\u01b0\u1eddi suy ngh\u0129 m\u1eadt kh\u1ea9u.<\/p>\n<p>M\u1ed9t m\u1eadt kh\u1ea9u VPS m\u1ea1nh c\u1ea7n:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 d\u00e0i t\u1ed1i thi\u1ec3u 12-16 k\u00fd t\u1ef1<\/strong>, k\u1ebft h\u1ee3p ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li>Tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh: t\u00ean b\u1ea3n th\u00e2n + ng\u00e0y sinh,\u00a0<code>123456<\/code>,\u00a0<code>password<\/code>,\u00a0<code>admin123<\/code>, hay t\u00ean c\u00f4ng ty + n\u0103m (v\u00ed d\u1ee5:\u00a0<code>Congty@2024<\/code>).<\/li>\n<\/ul>\n<p>M\u1eadt kh\u1ea9u t\u1ed1t l\u00e0 m\u1eadt kh\u1ea9u d\u00e0i, ng\u1eabu nhi\u00ean v\u00e0 kh\u00f4ng c\u00f3 pattern r\u00f5 r\u00e0ng. M\u1ed9t c\u00e1ch d\u1ec5 nh\u1edb nh\u01b0ng c\u1ef1c k\u1ef3 kh\u00f3 b\u1ebb kh\u00f3a l\u00e0 d\u00f9ng\u00a0<strong>passphrase<\/strong>: gh\u00e9p 4-5 t\u1eeb ng\u1eabu nhi\u00ean kh\u00f4ng li\u00ean quan + k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5:\u00a0<code>XanhDaoChay!ThuHong$<\/code>.<\/p>\n<p>\u0110\u1ec3 d\u1ec5 h\u00ecnh dung s\u1ef1 kh\u00e1c bi\u1ec7t: theo b\u1ea3ng tham kh\u1ea3o t\u1eeb Hive Systems, m\u1ed9t m\u1eadt kh\u1ea9u 8 k\u00fd t\u1ef1 thu\u1ea7n ch\u1eef th\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ecb brute-force ch\u1ec9 trong v\u00e0i gi\u1edd. Nh\u01b0ng v\u1edbi m\u1eadt kh\u1ea9u 16 k\u00fd t\u1ef1 h\u1ed7n h\u1ee3p, th\u1eddi gian b\u1ebb kh\u00f3a s\u1ebd l\u00ean t\u1edbi&#8230; h\u00e0ng tri\u1ec7u n\u0103m.<\/p>\n<p><strong>L\u1eddi khuy\u00ean:<\/strong>\u00a0H\u00e3y d\u00f9ng <strong><a href=\"https:\/\/interdata.vn\/blog\/ssh-key-la-gi\/\">SSH key<\/a><\/strong> thay v\u00ec password (\u0111\u1eb7c bi\u1ec7t v\u1edbi VPS Linux). SSH key g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 b\u1ecb brute-force theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng. \u0110\u1ed3ng th\u1eddi, h\u00e3y b\u1eadt 2FA cho portal qu\u1ea3n l\u00fd v\u00e0 \u0111\u1ed5i <a href=\"https:\/\/interdata.vn\/blog\/port-la-gi\/\">port<\/a> SSH\/RDP m\u1eb7c \u0111\u1ecbnh (22, 3389) \u0111\u1ec3 gi\u1ea3m thi\u1ec3u bot qu\u00e9t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quen-mat-khau-VPS-%E2%80%94-Xu-ly-ra-sao\"><\/span>Qu\u00ean m\u1eadt kh\u1ea9u VPS \u2014 X\u1eed l\u00fd ra sao?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ef1 c\u1ed1 nan gi\u1ea3i nh\u1ea5t nh\u01b0ng c\u0169ng r\u1ea5t \u0111\u1eddi th\u01b0\u1eddng. C\u00e1ch x\u1eed l\u00fd ph\u1ee5 thu\u1ed9c v\u00e0o <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a> v\u00e0 m\u1ee9c \u0111\u1ed9 &#8220;qu\u00ean s\u1ea1ch&#8221; c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>V\u1edbi VPS Windows:<\/strong>\u00a0N\u1ebfu b\u1ea1n v\u1eabn \u0111ang trong phi\u00ean RDP, h\u00e3y m\u1edf CMD l\u00ean g\u00f5 l\u1ec7nh\u00a0<code>net user<\/code>\u00a0\u0111\u1ed5i ngay l\u1eadp t\u1ee9c. N\u1ebfu \u0111\u00e3 b\u1ecb lock ho\u00e0n to\u00e0n ra ngo\u00e0i, portal nh\u00e0 cung c\u1ea5p l\u00e0 con \u0111\u01b0\u1eddng duy nh\u1ea5t.<\/p>\n<p><strong>V\u1edbi VPS Linux:<\/strong>\u00a0N\u1ebfu VPS c\u00f3 user kh\u00e1c c\u00f3 quy\u1ec1n sudo, h\u00e3y SSH b\u1eb1ng user \u0111\u00f3 r\u1ed3i ch\u1ea1y\u00a0<code>sudo passwd root<\/code> \u0111\u1ec3 c\u1ee9u vi\u1ec7n. Nh\u01b0ng n\u1ebfu b\u1ea1n ho\u00e0n to\u00e0n m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ecdi t\u00e0i kho\u1ea3n, b\u1ea1n s\u1ebd c\u1ea7n d\u00f9ng portal nh\u00e0 cung c\u1ea5p \u0111\u1ec3 v\u00e0o Rescue Mode.<\/p>\n<p><strong>Qua portal nh\u00e0 cung c\u1ea5p:<\/strong>\u00a0Nh\u01b0 \u0111\u00e3 h\u01b0\u1edbng d\u1eabn \u1edf ph\u1ea7n \u0111\u1ea7u, b\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ed5i m\u1eadt kh\u1ea9u + restart VPS. Tuy nhi\u00ean, l\u01b0u \u00fd r\u1eb1ng m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ed5i qua portal \u2014 l\u00fac \u0111\u00f3 b\u1ea1n ph\u1ea3i t\u1ef1 boot v\u00e0o Rescue\/Recovery Mode, mount \u1ed5 \u0111\u0129a v\u00e0 ch\u1ec9nh password th\u1ee7 c\u00f4ng, m\u1ed9t qu\u00e1 tr\u00ecnh c\u1ef1c k\u1ef3 m\u1ec7t m\u1ecfi n\u1ebfu b\u1ea1n kh\u00f4ng r\u00e0nh.<\/p>\n<p>N\u00f3i th\u1eb3ng ra: ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u00f3 portal h\u1ed7 tr\u1ee3 \u0111\u1ed5i m\u1eadt kh\u1ea9u t\u1eeb xa s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ee1 \u0111au \u0111\u1ea7u h\u01a1n r\u1ea5t nhi\u1ec1u khi r\u01a1i v\u00e0o t\u00ecnh hu\u1ed1ng xui x\u1ebbo n\u00e0y.<\/p>\n<blockquote><p>InterData c\u1eadp nh\u1eadt deals VPS c\u1ea5u h\u00ecnh cao th\u01b0\u1eddng xuy\u00ean \u2014 n\u1ebfu b\u1ea1n \u0111ang t\u00ecm VPS m\u1edbi ho\u1eb7c mu\u1ed1n n\u00e2ng c\u1ea5p, gh\u00e9 qua trang khuy\u1ebfn m\u00e3i \u0111\u1ec3 kh\u00f4ng b\u1ecf l\u1ee1.<\/p>\n<p><a style=\"display: inline-block; padding: 10px 18px; border: 2px solid #0A4FF6; border-radius: 8px; color: #0a4ff6; text-decoration: none; font-weight: 600;\" href=\"https:\/\/interdata.vn\/canhme\/\" target=\"_blank\" rel=\"noopener\">Tham kh\u1ea3o Deals VPS Plans C\u1ea5u H\u00ecnh Cao<br \/>\n<\/a><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"FAQ-%E2%80%94-Cau-hoi-thuong-gap-khi-doi-mat-khau-VPS\"><\/span>FAQ \u2014 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi \u0111\u1ed5i m\u1eadt kh\u1ea9u VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS c\u00f3 c\u1ea7n restart kh\u00f4ng?<\/strong><\/p>\n<p>N\u1ebfu b\u1ea1n \u0111\u1ed5i b\u1eb1ng l\u1ec7nh (CMD, SSH) ngay trong VPS th\u00ec kh\u00f4ng c\u1ea7n restart, m\u1eadt kh\u1ea9u c\u00f3 hi\u1ec7u l\u1ef1c ngay l\u1eadp t\u1ee9c. Tuy nhi\u00ean, n\u1ebfu \u0111\u1ed5i qua portal nh\u00e0 cung c\u1ea5p (nh\u01b0 InterData), b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i Power Off + Start l\u1ea1i VPS \u0111\u1ec3 m\u1eadt kh\u1ea9u m\u1edbi \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/p>\n<p><strong>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS b\u1eb1ng l\u1ec7nh g\u00ec?<\/strong><\/p>\n<p>Tr\u00ean VPS Windows, l\u1ec7nh d\u00f9ng trong CMD\/PowerShell l\u00e0\u00a0<code>net user administrator matkhaumoi<\/code>. Tr\u00ean VPS Linux, b\u1ea1n d\u00f9ng l\u1ec7nh\u00a0<code>passwd<\/code>\u00a0(\u0111\u1ed5i cho user hi\u1ec7n t\u1ea1i) ho\u1eb7c\u00a0<code>sudo passwd ten_user<\/code>\u00a0(\u0111\u1ed5i cho user kh\u00e1c). C\u1ea3 hai \u0111\u1ec1u thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean VPS.<\/p>\n<p><strong>M\u1eadt kh\u1ea9u VPS n\u00ean \u0111\u1eb7t bao nhi\u00eau k\u00fd t\u1ef1?<\/strong><\/p>\n<p>T\u1ed1i thi\u1ec3u 12 k\u00fd t\u1ef1, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 16+ k\u00fd t\u1ef1. M\u1eadt kh\u1ea9u c\u1ea7n k\u1ebft h\u1ee3p ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t. Tuy\u1ec7t \u0111\u1ed1i tr\u00e1nh d\u00f9ng th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c c\u00e1c chu\u1ed7i d\u1ec5 \u0111o\u00e1n nh\u01b0 123456, admin, password.<\/p>\n<p><strong>C\u00f3 n\u00ean d\u00f9ng SSH key thay m\u1eadt kh\u1ea9u kh\u00f4ng?<\/strong><\/p>\n<p>R\u1ea5t n\u00ean, \u0111\u1eb7c bi\u1ec7t v\u1edbi VPS Linux. SSH key an to\u00e0n h\u01a1n m\u1eadt kh\u1ea9u r\u1ea5t nhi\u1ec1u v\u00ec c\u01a1 ch\u1ebf m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng, khi\u1ebfn k\u1ebb x\u1ea5u kh\u00f4ng th\u1ec3 brute-force theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng. Sau khi c\u00e0i SSH key, b\u1ea1n c\u00f3 th\u1ec3 t\u1eaft ho\u00e0n to\u00e0n \u0111\u0103ng nh\u1eadp b\u1eb1ng password qua c\u1ea5u h\u00ecnh sshd_config \u0111\u1ec3 ch\u1eb7n tri\u1ec7t \u0111\u1ec3 l\u01b0\u1ee3t truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<p><strong>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS xong nh\u01b0ng kh\u00f4ng \u0111\u0103ng nh\u1eadp \u0111\u01b0\u1ee3c \u2014 l\u1ed7i g\u00ec?<\/strong><\/p>\n<p>Ba nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t: (1) VPS Windows \u0111\u1ed5i qua portal nh\u01b0ng b\u1ea1n qu\u00ean ch\u01b0a restart l\u1ea1i, (2) M\u1eadt kh\u1ea9u ch\u1ee9a k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 (VPS Windows ch\u1ec9 cho ph\u00e9p m\u1ed9t s\u1ed1 k\u00fd t\u1ef1 nh\u1ea5t \u0111\u1ecbnh), (3) Copy-paste m\u1eadt kh\u1ea9u b\u1ecb d\u01b0 kho\u1ea3ng tr\u1eafng \u1edf \u0111\u1ea7u ho\u1eb7c cu\u1ed1i c\u00e2u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed5i m\u1eadt kh\u1ea9u VPS t\u01b0\u1edfng \u0111\u01a1n gi\u1ea3n, nh\u01b0ng n\u1ebfu l\u00e0m kh\u00f4ng \u0111\u00fang c\u00e1ch \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 qua portal nh\u00e0 cung c\u1ea5p \u2014 b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 kh\u00f3a ch\u00ednh m\u00ecnh ra kh\u1ecfi server. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch \u0111\u1ed5i m\u1eadt kh\u1ea9u VPS tr\u00ean Portal, Windows v\u00e0 Linux k\u00e8m theo nh\u1eefng l\u01b0u \u00fd<\/p>\n","protected":false},"author":2,"featured_media":41275,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-41267","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\/41267","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=41267"}],"version-history":[{"count":6,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41267\/revisions"}],"predecessor-version":[{"id":41281,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41267\/revisions\/41281"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/41275"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=41267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=41267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=41267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}