{"id":525,"date":"2026-06-30T00:20:24","date_gmt":"2026-06-29T17:20:24","guid":{"rendered":"https:\/\/wp-help-lite.ts.dev.matbao.ai\/?p=525"},"modified":"2026-06-30T00:20:24","modified_gmt":"2026-06-29T17:20:24","slug":"huong-dan-cai-dat-wordpress","status":"publish","type":"post","link":"https:\/\/wp-help-lite.support247.top\/?p=525","title":{"rendered":"H\u01b0\u1edbng D\u1eabn C\u00e0i \u0110\u1eb7t WordPress To\u00e0n Di\u1ec7n Nh\u1ea5t 2026 (Cho Ng\u01b0\u1eddi M\u1edbi)"},"content":{"rendered":"<h1>H\u01b0\u1edbng D\u1eabn C\u00e0i \u0110\u1eb7t WordPress To\u00e0n Di\u1ec7n Nh\u1ea5t 2026 (Cho Ng\u01b0\u1eddi M\u1edbi)<\/h1>\n<div class=\"featured-snippet\">\n<p>Ch\u00e0o m\u1eebng b\u1ea1n \u0111\u1ebfn v\u1edbi h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t WordPress to\u00e0n di\u1ec7n nh\u1ea5t n\u0103m 2026! Cho d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hay \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd ch\u1ec9 cho b\u1ea1n t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u0111\u01b0a trang web WordPress c\u1ee7a m\u00ecnh \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng, t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn hosting v\u00e0 domain cho \u0111\u1ebfn c\u1ea5u h\u00ecnh ban \u0111\u1ea7u. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 v\u00e0 x\u00e2y d\u1ef1ng trang web m\u01a1 \u01b0\u1edbc c\u1ee7a b\u1ea1n ngay h\u00f4m nay!<\/p>\n<\/div>\n<div class=\"wp-toc-box\">\n<div class=\"wp-toc-header\"><span>\ud83d\udccb M\u1ee5c l\u1ee5c<\/span><button class=\"wp-toc-toggle\">Thu g\u1ecdn \u25b2<\/button><\/div>\n<ol class=\"wp-toc-list\">\n<li><a href=\"#chuan-bi-truoc-khi-cai-dat-wordpress\">Chu\u1ea9n B\u1ecb Tr\u01b0\u1edbc Khi C\u00e0i \u0110\u1eb7t WordPress<\/a>\n<ol>\n<li><a href=\"#chon-nen-tang-hosting-phu-hop\">Ch\u1ecdn N\u1ec1n T\u1ea3ng Hosting Ph\u00f9 H\u1ee3p<\/a><\/li>\n<li><a href=\"#dang-ky-ten-mien-domain\">\u0110\u0103ng K\u00fd T\u00ean Mi\u1ec1n (Domain)<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#cac-phuong-phap-cai-dat-wordpress-pho-bien\">C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p C\u00e0i \u0110\u1eb7t WordPress Ph\u1ed5 Bi\u1ebfn<\/a>\n<ol>\n<li><a href=\"#cai-dat-wordpress-bang-softaculous-cpanel\">C\u00e0i \u0110\u1eb7t WordPress B\u1eb1ng Softaculous (Cpanel)<\/a><\/li>\n<li><a href=\"#cai-dat-wordpress-thu-cong-qua-ftp-va-mysql\">C\u00e0i \u0110\u1eb7t WordPress Th\u1ee7 C\u00f4ng Qua FTP v\u00e0 MySQL<\/a><\/li>\n<li><a href=\"#cai-dat-wordpress-tren-localhost-danh-cho-phat-trien\">C\u00e0i \u0110\u1eb7t WordPress Tr\u00ean Localhost (D\u00e0nh Cho Ph\u00e1t Tri\u1ec3n)<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#cau-hinh-wordpress-ban-dau-sau-cai-dat\">C\u1ea5u H\u00ecnh WordPress Ban \u0110\u1ea7u Sau C\u00e0i \u0110\u1eb7t<\/a>\n<ol>\n<li><a href=\"#thiet-lap-thong-tin-chung\">Thi\u1ebft L\u1eadp Th\u00f4ng Tin Chung<\/a><\/li>\n<li><a href=\"#cai-dat-theme-va-plugin-can-thiet\">C\u00e0i \u0110\u1eb7t Theme v\u00e0 Plugin C\u1ea7n Thi\u1ebft<\/a><\/li>\n<li><a href=\"#toi-uu-hoa-bao-mat-va-toc-do-co-ban\">T\u1ed1i \u01afu H\u00f3a B\u1ea3o M\u1eadt V\u00e0 T\u1ed1c \u0110\u1ed9 C\u01a1 B\u1ea3n<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#khac-phuc-su-co-thuong-gap-khi-cai-dat-wordpress\">Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1 Th\u01b0\u1eddng G\u1eb7p Khi C\u00e0i \u0110\u1eb7t WordPress<\/a>\n<ol>\n<li><a href=\"#loi-ket-noi-co-so-du-lieu\">L\u1ed7i K\u1ebft N\u1ed1i C\u01a1 S\u1edf D\u1eef Li\u1ec7u<\/a><\/li>\n<li><a href=\"#loi-cai-dat-file-wordpress\">L\u1ed7i C\u00e0i \u0110\u1eb7t File WordPress<\/a><\/li>\n<li><a href=\"#website-bi-trang-trang-white-screen-of-death\">Website B\u1ecb Tr\u1eafng Trang (White Screen of Death)<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#ket-luan\">K\u1ebft Lu\u1eadn<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"chuan-bi-truoc-khi-cai-dat-wordpress\">Chu\u1ea9n B\u1ecb Tr\u01b0\u1edbc Khi C\u00e0i \u0110\u1eb7t WordPress<\/h2>\n<p>Tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o c\u00e0i \u0111\u1eb7t WordPress, vi\u1ec7c chu\u1ea9n b\u1ecb k\u1ef9 l\u01b0\u1ee1ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t gi\u00fap qu\u00e1 tr\u00ecnh di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 hi\u1ec7u qu\u1ea3. Hai y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb l\u00e0 n\u1ec1n t\u1ea3ng hosting v\u00e0 t\u00ean mi\u1ec1n.<\/p>\n<h3 id=\"chon-nen-tang-hosting-phu-hop\">Ch\u1ecdn N\u1ec1n T\u1ea3ng Hosting Ph\u00f9 H\u1ee3p<\/h3>\n<p>Hosting l\u00e0 n\u01a1i l\u01b0u tr\u1eef t\u1ea5t c\u1ea3 c\u00e1c file, d\u1eef li\u1ec7u c\u1ee7a trang web WordPress c\u1ee7a b\u1ea1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p hosting uy t\u00edn v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt c\u1ee7a website.<\/p>\n<div class=\"wpaap-callout wpaap-callout--info\">\n<div class=\"wpaap-callout__title\">\ud83d\udca1 C\u00e1c Lo\u1ea1i Hosting Ph\u1ed5 Bi\u1ebfn Cho WordPress<\/div>\n<div class=\"wpaap-callout__body\">Shared Hosting: Chi ph\u00ed th\u1ea5p, d\u1ec5 s\u1eed d\u1ee5ng, ph\u00f9 h\u1ee3p cho website nh\u1ecf, m\u1edbi b\u1eaft \u0111\u1ea7u.<br \/>\nVPS Hosting: Ki\u1ec3m so\u00e1t cao h\u01a1n, hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n Shared Hosting, d\u00e0nh cho website c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp trung b\u00ecnh.<br \/>\nDedicated Server: To\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t, hi\u1ec7u su\u1ea5t cao nh\u1ea5t, d\u00e0nh cho website l\u1edbn, y\u00eau c\u1ea7u t\u00e0i nguy\u00ean cao.<br \/>\nManaged WordPress Hosting: T\u1ed1i \u01b0u h\u00f3a ri\u00eang cho WordPress, h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u, ph\u00f9 h\u1ee3p cho m\u1ecdi \u0111\u1ed1i t\u01b0\u1ee3ng.<\/div>\n<\/div>\n<p>Khi ch\u1ecdn hosting, b\u1ea1n c\u1ea7n xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u1ed1c \u0111\u1ed9, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng (uptime), h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng, c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt, v\u00e0 gi\u00e1 c\u1ea3. \u0110\u1ea3m b\u1ea3o nh\u00e0 cung c\u1ea5p c\u00f3 t\u00edch h\u1ee3p Cpanel ho\u1eb7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd.<\/p>\n<h3 id=\"dang-ky-ten-mien-domain\">\u0110\u0103ng K\u00fd T\u00ean Mi\u1ec1n (Domain)<\/h3>\n<p>T\u00ean mi\u1ec1n l\u00e0 \u0111\u1ecba ch\u1ec9 website c\u1ee7a b\u1ea1n tr\u00ean internet (v\u00ed d\u1ee5: vietweb.com). M\u1ed9t t\u00ean mi\u1ec1n d\u1ec5 nh\u1edb, ng\u1eafn g\u1ecdn v\u00e0 li\u00ean quan \u0111\u1ebfn n\u1ed9i dung website s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y b\u1ea1n h\u01a1n.<\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img src=\"https:\/\/wp-help-lite.ts.dev.matbao.ai\/wp-content\/uploads\/2026\/06\/ai-img-525-1.jpg\" alt=\"Giao di\u1ec7n \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u1edbi \u00f4 t\u00ecm ki\u1ebfm t\u00ean mi\u1ec1n kh\u1ea3 d\u1ee5ng\" loading=\"lazy\" decoding=\"async\" \/><figcaption>L\u1ef1a ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 \u0111\u1ecbnh danh website WordPress c\u1ee7a b\u1ea1n tr\u00ean internet.<\/figcaption><\/figure>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1ea1i c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 GoDaddy, Namecheap, hay t\u1ea1i ch\u00ednh nh\u00e0 cung c\u1ea5p hosting c\u1ee7a m\u00ecnh. Sau khi \u0111\u0103ng k\u00fd, b\u1ea1n c\u1ea7n tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 m\u00e1y ch\u1ee7 hosting c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e0i \u0111\u1eb7t DNS. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 m\u1ea5t v\u00e0i gi\u1edd \u0111\u1ec3 c\u1eadp nh\u1eadt ho\u00e0n to\u00e0n.<\/p>\n<h2 id=\"cac-phuong-phap-cai-dat-wordpress-pho-bien\">C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p C\u00e0i \u0110\u1eb7t WordPress Ph\u1ed5 Bi\u1ebfn<\/h2>\n<p>C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 c\u00e0i \u0111\u1eb7t WordPress, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<h3 id=\"cai-dat-wordpress-bang-softaculous-cpanel\">C\u00e0i \u0110\u1eb7t WordPress B\u1eb1ng Softaculous (Cpanel)<\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00ec t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng. Softaculous l\u00e0 m\u1ed9t tr\u00ecnh c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng t\u1ef1 \u0111\u1ed9ng th\u01b0\u1eddng c\u00f3 s\u1eb5n trong Cpanel c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p hosting.<\/p>\n<ol>\n<li><strong>\u0110\u0103ng nh\u1eadp v\u00e0o Cpanel:<\/strong> S\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u0103ng nh\u1eadp m\u00e0 nh\u00e0 cung c\u1ea5p hosting \u0111\u00e3 g\u1eedi cho b\u1ea1n.<\/li>\n<li><strong>T\u00ecm Softaculous Apps Installer:<\/strong> Cu\u1ed9n xu\u1ed1ng ph\u1ea7n \u201cSoftware\u201d v\u00e0 t\u00ecm bi\u1ec3u t\u01b0\u1ee3ng \u201cSoftaculous Apps Installer\u201d ho\u1eb7c \u201cWordPress Installer\u201d.<\/li>\n<li><strong>Ch\u1ecdn WordPress:<\/strong> Nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng WordPress.<\/li>\n<li><strong>\u0110i\u1ec1n th\u00f4ng tin c\u00e0i \u0111\u1eb7t:<\/strong>\n<ul>\n<li><strong>Choose Installation URL:<\/strong> Ch\u1ecdn giao th\u1ee9c (http:\/\/, https:\/\/) v\u00e0 t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n mu\u1ed1n c\u00e0i \u0111\u1eb7t v\u00e0o m\u1ed9t th\u01b0 m\u1ee5c con (v\u00ed d\u1ee5: yourdomain.com\/blog), h\u00e3y nh\u1eadp t\u00ean th\u01b0 m\u1ee5c v\u00e0o \u00f4 \u201cIn Directory\u201d.<\/li>\n<li><strong>Site Settings:<\/strong> \u0110i\u1ec1n t\u00ean trang web (Site Name) v\u00e0 m\u00f4 t\u1ea3 (Site Description).<\/li>\n<li><strong>Admin Account:<\/strong> T\u1ea1o t\u00ean ng\u01b0\u1eddi d\u00f9ng (Admin Username), m\u1eadt kh\u1ea9u (Admin Password) v\u00e0 email qu\u1ea3n tr\u1ecb (Admin Email). Ghi nh\u1edb th\u00f4ng tin n\u00e0y.<\/li>\n<li><strong>Database Settings:<\/strong> \u0110\u1ec3 m\u1eb7c \u0111\u1ecbnh l\u00e0 \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Select Theme:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn theme ngay ho\u1eb7c b\u1ecf qua.<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t:<\/strong> Nh\u1ea5p v\u00e0o n\u00fat \u201cInstall\u201d v\u00e0 \u0111\u1ee3i v\u00e0i ph\u00fat. Sau khi ho\u00e0n t\u1ea5t, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o th\u00e0nh c\u00f4ng v\u00e0 \u0111\u01b0\u1eddng d\u1eabn truy c\u1eadp trang web c\u0169ng nh\u01b0 trang qu\u1ea3n tr\u1ecb WordPress.<\/li>\n<\/ol>\n<figure class=\"wp-block-image aligncenter size-full\"><img src=\"https:\/\/wp-help-lite.ts.dev.matbao.ai\/wp-content\/uploads\/2026\/06\/ai-img-525-2.jpg\" alt=\"Screenshot giao di\u1ec7n c\u00e0i \u0111\u1eb7t WordPress b\u1eb1ng Softaculous Apps Installer\" loading=\"lazy\" decoding=\"async\" \/><figcaption>Softaculous gi\u00fap c\u00e0i \u0111\u1eb7t WordPress ch\u1ec9 v\u1edbi v\u00e0i c\u00fa nh\u1ea5p chu\u1ed9t, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c cho ng\u01b0\u1eddi m\u1edbi.<\/figcaption><\/figure>\n<h3 id=\"cai-dat-wordpress-thu-cong-qua-ftp-va-mysql\">C\u00e0i \u0110\u1eb7t WordPress Th\u1ee7 C\u00f4ng Qua FTP v\u00e0 MySQL<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng cho ph\u00e9p b\u1ea1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t n\u1ebfu hosting c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 Softaculous ho\u1eb7c b\u1ea1n mu\u1ed1n t\u1ef1 m\u00ecnh l\u00e0m ch\u1ee7 m\u1ecdi th\u1ee9.<\/p>\n<h4>T\u1ea1o C\u01a1 S\u1edf D\u1eef Li\u1ec7u MySQL<\/h4>\n<ol>\n<li><strong>\u0110\u0103ng nh\u1eadp Cpanel:<\/strong> V\u00e0o m\u1ee5c \u201cDatabases\u201d v\u00e0 ch\u1ecdn \u201cMySQL Databases\u201d.<\/li>\n<li><strong>T\u1ea1o Database m\u1edbi:<\/strong> \u0110\u1eb7t t\u00ean cho c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 nh\u1ea5p \u201cCreate Database\u201d.<\/li>\n<li><strong>T\u1ea1o User m\u1edbi:<\/strong> Trong ph\u1ea7n \u201cMySQL Users\u201d, t\u1ea1o m\u1ed9t t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u m\u1ea1nh.<\/li>\n<li><strong>Th\u00eam User v\u00e0o Database:<\/strong> Ch\u1ecdn ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1eeba t\u1ea1o, sau \u0111\u00f3 nh\u1ea5p \u201cAdd\u201d. \u0110\u1ea3m b\u1ea3o b\u1ea1n c\u1ea5p t\u1ea5t c\u1ea3 c\u00e1c quy\u1ec1n (All Privileges) cho ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3.<\/li>\n<\/ol>\n<h4>T\u1ea3i WordPress L\u00ean Hosting B\u1eb1ng FTP<\/h4>\n<ol>\n<li><strong>T\u1ea3i xu\u1ed1ng WordPress:<\/strong> Truy c\u1eadp wordpress.org\/download v\u00e0 t\u1ea3i phi\u00ean b\u1ea3n WordPress m\u1edbi nh\u1ea5t v\u1ec1 m\u00e1y t\u00ednh.<\/li>\n<li><strong>Gi\u1ea3i n\u00e9n file:<\/strong> Gi\u1ea3i n\u00e9n th\u01b0 m\u1ee5c <code>wordpress<\/code> \u0111\u00e3 t\u1ea3i xu\u1ed1ng.<\/li>\n<li><strong>K\u1ebft n\u1ed1i FTP:<\/strong> S\u1eed d\u1ee5ng m\u1ed9t ph\u1ea7n m\u1ec1m FTP client nh\u01b0 FileZilla \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi hosting c\u1ee7a b\u1ea1n. Th\u00f4ng tin FTP (host, username, password, port) s\u1ebd \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p hosting cung c\u1ea5p.<\/li>\n<li><strong>T\u1ea3i file l\u00ean:<\/strong> \u0110i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn th\u01b0 m\u1ee5c <code>public_html<\/code> (ho\u1eb7c th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a domain b\u1ea1n mu\u1ed1n c\u00e0i \u0111\u1eb7t) tr\u00ean m\u00e1y ch\u1ee7. T\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c file v\u00e0 th\u01b0 m\u1ee5c b\u00ean trong th\u01b0 m\u1ee5c <code>wordpress<\/code> \u0111\u00e3 gi\u1ea3i n\u00e9n l\u00ean th\u01b0 m\u1ee5c n\u00e0y.<\/li>\n<\/ol>\n<div class=\"wpaap-callout wpaap-callout--warning\">\n<div class=\"wpaap-callout__title\">\u26a0\ufe0f C\u1ea3nh b\u00e1o<\/div>\n<div class=\"wpaap-callout__body\">Khi t\u1ea3i file l\u00ean b\u1eb1ng FTP, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n ch\u1ec9 t\u1ea3i N\u1ed8I DUNG b\u00ean trong th\u01b0 m\u1ee5c &#8216;wordpress&#8217; (v\u00ed d\u1ee5: wp-admin, wp-content, wp-includes, c\u00e1c file .php) ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u1ea3 th\u01b0 m\u1ee5c &#8216;wordpress&#8217; l\u00ean th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a domain. N\u1ebfu kh\u00f4ng, website c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 \u0111\u1ecba ch\u1ec9 d\u1ea1ng yourdomain.com\/wordpress.<\/div>\n<\/div>\n<h4>Ho\u00e0n T\u1ea5t C\u00e0i \u0110\u1eb7t Qua Tr\u00ecnh Duy\u1ec7t<\/h4>\n<ol>\n<li><strong>Truy c\u1eadp domain:<\/strong> M\u1edf tr\u00ecnh duy\u1ec7t v\u00e0 truy c\u1eadp t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5: yourdomain.com).<\/li>\n<li><strong>Ch\u1ecdn ng\u00f4n ng\u1eef:<\/strong> Ch\u1ecdn ng\u00f4n ng\u1eef b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng cho WordPress.<\/li>\n<li><strong>\u0110i\u1ec1n th\u00f4ng tin c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/strong> Nh\u1eadp t\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u00ean ng\u01b0\u1eddi d\u00f9ng, m\u1eadt kh\u1ea9u \u0111\u00e3 t\u1ea1o \u1edf b\u01b0\u1edbc tr\u00ean. Gi\u1eef nguy\u00ean \u201cDatabase Host\u201d (th\u01b0\u1eddng l\u00e0 localhost) v\u00e0 \u201cTable Prefix\u201d (th\u01b0\u1eddng l\u00e0 wp_).<\/li>\n<li><strong>Ch\u1ea1y c\u00e0i \u0111\u1eb7t:<\/strong> Nh\u1ea5p \u201cSubmit\u201d v\u00e0 sau \u0111\u00f3 \u201cRun the installation\u201d.<\/li>\n<li><strong>\u0110i\u1ec1n th\u00f4ng tin website:<\/strong> Nh\u1eadp ti\u00eau \u0111\u1ec1 trang web, t\u00ean ng\u01b0\u1eddi d\u00f9ng, m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb v\u00e0 email.<\/li>\n<li><strong>Ho\u00e0n t\u1ea5t:<\/strong> Nh\u1ea5p \u201cInstall WordPress\u201d. B\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t WordPress th\u00e0nh c\u00f4ng!<\/li>\n<\/ol>\n<h3 id=\"cai-dat-wordpress-tren-localhost-danh-cho-phat-trien\">C\u00e0i \u0110\u1eb7t WordPress Tr\u00ean Localhost (D\u00e0nh Cho Ph\u00e1t Tri\u1ec3n)<\/h3>\n<p>C\u00e0i \u0111\u1eb7t WordPress tr\u00ean localhost (m\u00e1y t\u00ednh c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n) r\u1ea5t h\u1eefu \u00edch cho vi\u1ec7c ph\u00e1t tri\u1ec3n, th\u1eed nghi\u1ec7m ho\u1eb7c h\u1ecdc t\u1eadp m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i internet hay hosting th\u1ef1c t\u1ebf. B\u1ea1n s\u1ebd c\u1ea7n c\u00e0i \u0111\u1eb7t m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9 nh\u01b0 XAMPP, WAMP (Windows) ho\u1eb7c MAMP (Mac).<\/p>\n<ol>\n<li><strong>C\u00e0i \u0111\u1eb7t XAMPP\/WAMP\/MAMP:<\/strong> T\u1ea3i v\u1ec1 v\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n. Kh\u1edfi \u0111\u1ed9ng Apache v\u00e0 MySQL.<\/li>\n<li><strong>T\u1ea1o C\u01a1 S\u1edf D\u1eef Li\u1ec7u:<\/strong> Truy c\u1eadp <code>http:\/\/localhost\/phpmyadmin<\/code> trong tr\u00ecnh duy\u1ec7t. T\u1ea1o m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u MySQL m\u1edbi (v\u00ed d\u1ee5: <code>mywebsite_db<\/code>).<\/li>\n<li><strong>T\u1ea3i WordPress:<\/strong> T\u1ea3i phi\u00ean b\u1ea3n WordPress m\u1edbi nh\u1ea5t t\u1eeb wordpress.org\/download.<\/li>\n<li><strong>Gi\u1ea3i n\u00e9n v\u00e0 di chuy\u1ec3n file:<\/strong> Gi\u1ea3i n\u00e9n th\u01b0 m\u1ee5c <code>wordpress<\/code>. Di chuy\u1ec3n th\u01b0 m\u1ee5c n\u00e0y v\u00e0o th\u01b0 m\u1ee5c <code>htdocs<\/code> c\u1ee7a XAMPP (ho\u1eb7c <code>www<\/code> c\u1ee7a WAMP\/MAMP). \u0110\u1ed5i t\u00ean th\u01b0 m\u1ee5c <code>wordpress<\/code> th\u00e0nh t\u00ean website c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5: <code>mywebsite<\/code>).<\/li>\n<li><strong>Ho\u00e0n t\u1ea5t c\u00e0i \u0111\u1eb7t qua tr\u00ecnh duy\u1ec7t:<\/strong> M\u1edf tr\u00ecnh duy\u1ec7t v\u00e0 truy c\u1eadp <code>http:\/\/localhost\/t\u00ean_th\u01b0_m\u1ee5c_wordpress_c\u1ee7a_b\u1ea1n<\/code> (v\u00ed d\u1ee5: <code>http:\/\/localhost\/mywebsite<\/code>). Th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e0i \u0111\u1eb7t th\u1ee7 c\u00f4ng, s\u1eed d\u1ee5ng th\u00f4ng tin c\u01a1 s\u1edf d\u1eef li\u1ec7u b\u1ea1n \u0111\u00e3 t\u1ea1o.<\/li>\n<\/ol>\n<h2 id=\"cau-hinh-wordpress-ban-dau-sau-cai-dat\">C\u1ea5u H\u00ecnh WordPress Ban \u0110\u1ea7u Sau C\u00e0i \u0110\u1eb7t<\/h2>\n<p>Sau khi c\u00e0i \u0111\u1eb7t WordPress th\u00e0nh c\u00f4ng, c\u00f3 m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh ban \u0111\u1ea7u quan tr\u1ecdng b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n \u0111\u1ec3 website ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u v\u00e0 chuy\u00ean nghi\u1ec7p.<\/p>\n<h3 id=\"thiet-lap-thong-tin-chung\">Thi\u1ebft L\u1eadp Th\u00f4ng Tin Chung<\/h3>\n<p>\u0110\u0103ng nh\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb WordPress (th\u01b0\u1eddng l\u00e0 <code>yourdomain.com\/wp-admin<\/code>) v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn <strong>C\u00e0i \u0111\u1eb7t > T\u1ed5ng quan<\/strong>.<\/p>\n<ol>\n<li><strong>Ti\u00eau \u0111\u1ec1 trang web:<\/strong> \u0110\u1eb7t t\u00ean ph\u00f9 h\u1ee3p cho website c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>Kh\u1ea9u hi\u1ec7u:<\/strong> Vi\u1ebft m\u1ed9t kh\u1ea9u hi\u1ec7u ng\u1eafn g\u1ecdn, m\u00f4 t\u1ea3 n\u1ed9i dung website.<\/li>\n<li><strong>\u0110\u1ecba ch\u1ec9 WordPress (URL) &#038; \u0110\u1ecba ch\u1ec9 Trang web (URL):<\/strong> \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, hai tr\u01b0\u1eddng n\u00e0y s\u1ebd gi\u1ed1ng nhau. \u0110\u1ea3m b\u1ea3o ch\u00fang s\u1eed d\u1ee5ng HTTPS n\u1ebfu b\u1ea1n \u0111\u00e3 c\u00e0i \u0111\u1eb7t SSL.<\/li>\n<li><strong>\u0110\u1ecba ch\u1ec9 Email Qu\u1ea3n tr\u1ecb:<\/strong> Ki\u1ec3m tra l\u1ea1i \u0111\u1ecba ch\u1ec9 email ch\u00ednh x\u00e1c \u0111\u1ec3 nh\u1eadn th\u00f4ng b\u00e1o.<\/li>\n<li><strong>Ng\u00f4n ng\u1eef trang web:<\/strong> Ch\u1ecdn ti\u1ebfng Vi\u1ec7t ho\u1eb7c ng\u00f4n ng\u1eef b\u1ea1n mu\u1ed1n.<\/li>\n<li><strong>M\u00fai gi\u1edd, \u0110\u1ecbnh d\u1ea1ng Ng\u00e0y, \u0110\u1ecbnh d\u1ea1ng Gi\u1edd:<\/strong> C\u1ea5u h\u00ecnh theo khu v\u1ef1c c\u1ee7a b\u1ea1n.<\/li>\n<\/ol>\n<figure class=\"wp-block-image aligncenter size-full\"><img src=\"https:\/\/wp-help-lite.ts.dev.matbao.ai\/wp-content\/uploads\/2026\/06\/ai-img-525-3.jpg\" alt=\"Screenshot c\u00e0i \u0111\u1eb7t chung trong WordPress admin dashboard\" loading=\"lazy\" decoding=\"async\" \/><figcaption>Thi\u1ebft l\u1eadp c\u00e1c th\u00f4ng tin c\u01a1 b\u1ea3n ngay sau khi c\u00e0i \u0111\u1eb7t gi\u00fap WordPress ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch v\u00e0 t\u1ed1i \u01b0u SEO.<\/figcaption><\/figure>\n<p>Ti\u1ebfp theo, v\u00e0o <strong>C\u00e0i \u0111\u1eb7t > \u0110\u01b0\u1eddng d\u1eabn t\u0129nh (Permalinks)<\/strong> v\u00e0 ch\u1ecdn c\u1ea5u tr\u00fac \u0111\u01b0\u1eddng d\u1eabn l\u00e0 \u201cT\u00ean b\u00e0i vi\u1ebft\u201d (Post name). \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng cho SEO v\u00e0 t\u1ea1o URL th\u00e2n thi\u1ec7n h\u01a1n.<\/p>\n<h3 id=\"cai-dat-theme-va-plugin-can-thiet\">C\u00e0i \u0110\u1eb7t Theme v\u00e0 Plugin C\u1ea7n Thi\u1ebft<\/h3>\n<p>WordPress m\u1ea1nh m\u1ebd nh\u1edd kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn v\u00f4 h\u1ea1n th\u00f4ng qua Themes v\u00e0 Plugins.<\/p>\n<h4>C\u00e0i \u0110\u1eb7t Theme (Giao Di\u1ec7n)<\/h4>\n<ol>\n<li><strong>T\u00ecm Theme:<\/strong> V\u00e0o <strong>Giao di\u1ec7n > Giao di\u1ec7n<\/strong>, sau \u0111\u00f3 nh\u1ea5p \u201cTh\u00eam m\u1edbi\u201d. B\u1ea1n c\u00f3 th\u1ec3 duy\u1ec7t qua h\u00e0ng ng\u00e0n theme mi\u1ec5n ph\u00ed tr\u00ean WordPress.org ho\u1eb7c t\u1ea3i l\u00ean theme tr\u1ea3 ph\u00ed t\u1eeb m\u00e1y t\u00ednh.<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t v\u00e0 K\u00edch ho\u1ea1t:<\/strong> Nh\u1ea5p \u201cC\u00e0i \u0111\u1eb7t\u201d v\u00e0 sau \u0111\u00f3 \u201cK\u00edch ho\u1ea1t\u201d cho theme b\u1ea1n ch\u1ecdn.<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh:<\/strong> S\u1eed d\u1ee5ng \u201cT\u00f9y bi\u1ebfn\u201d (Customize) \u0111\u1ec3 thay \u0111\u1ed5i m\u00e0u s\u1eafc, b\u1ed1 c\u1ee5c, logo, v.v.<\/li>\n<\/ol>\n<div class=\"wpaap-callout wpaap-callout--tip\">\n<div class=\"wpaap-callout__title\">\u26a1 M\u1eb9o<\/div>\n<div class=\"wpaap-callout__body\">Khi ch\u1ecdn theme, h\u00e3y \u01b0u ti\u00ean c\u00e1c theme nh\u1eb9, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho t\u1ed1c \u0111\u1ed9 v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi di \u0111\u1ed9ng. C\u00e1c theme nh\u01b0 Astra, GeneratePress, Kadence l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho hi\u1ec7u su\u1ea5t cao.<\/div>\n<\/div>\n<h4>C\u00e0i \u0110\u1eb7t Plugin<\/h4>\n<p>Plugin m\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng cho WordPress. M\u1ed9t s\u1ed1 plugin thi\u1ebft y\u1ebfu b\u1ea1n n\u00ean c\u00e0i \u0111\u1eb7t:<\/p>\n<ul>\n<li><strong>Plugin SEO:<\/strong> Rank Math, Yoast SEO (gi\u00fap t\u1ed1i \u01b0u h\u00f3a n\u1ed9i dung cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm).<\/li>\n<li><strong>Plugin b\u1ea3o m\u1eadt:<\/strong> Wordfence Security, iThemes Security (b\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng).<\/li>\n<li><strong>Plugin sao l\u01b0u:<\/strong> UpdraftPlus, Duplicator (gi\u00fap sao l\u01b0u v\u00e0 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u).<\/li>\n<li><strong>Plugin t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9:<\/strong> WP Rocket, LiteSpeed Cache (c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i trang).<\/li>\n<li><strong>Plugin x\u00e2y d\u1ef1ng trang:<\/strong> Elementor, Beaver Builder (gi\u00fap t\u1ea1o trang d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1ch k\u00e9o th\u1ea3).<\/li>\n<\/ul>\n<ol>\n<li><strong>T\u00ecm Plugin:<\/strong> V\u00e0o <strong>Plugin > C\u00e0i \u0111\u1eb7t Plugin<\/strong>, sau \u0111\u00f3 nh\u1ea5p \u201cTh\u00eam m\u1edbi\u201d.<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t v\u00e0 K\u00edch ho\u1ea1t:<\/strong> T\u00ecm plugin b\u1ea1n mu\u1ed1n, nh\u1ea5p \u201cC\u00e0i \u0111\u1eb7t\u201d v\u00e0 \u201cK\u00edch ho\u1ea1t\u201d.<\/li>\n<\/ol>\n<h3 id=\"toi-uu-hoa-bao-mat-va-toc-do-co-ban\">T\u1ed1i \u01afu H\u00f3a B\u1ea3o M\u1eadt V\u00e0 T\u1ed1c \u0110\u1ed9 C\u01a1 B\u1ea3n<\/h3>\n<p>B\u1ea3o m\u1eadt v\u00e0 t\u1ed1c \u0111\u1ed9 l\u00e0 hai y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 SEO. Ngay sau khi c\u00e0i \u0111\u1eb7t, b\u1ea1n n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<p><strong>B\u1ea3o m\u1eadt:<\/strong><\/p>\n<ul>\n<li>Lu\u00f4n s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh cho t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb v\u00e0 c\u00e1c t\u00e0i kho\u1ea3n kh\u00e1c.<\/li>\n<li>C\u00e0i \u0111\u1eb7t ch\u1ee9ng ch\u1ec9 SSL (HTTPS) \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i.<\/li>\n<li>C\u00e0i \u0111\u1eb7t m\u1ed9t plugin b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd v\u00e0 c\u1ea5u h\u00ecnh n\u00f3.<\/li>\n<li>Th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt WordPress, theme v\u00e0 plugin.<\/li>\n<\/ul>\n<p><strong>T\u1ed1c \u0111\u1ed9:<\/strong><\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 hosting ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<li>C\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh plugin b\u1ed9 nh\u1edb \u0111\u1ec7m (cache).<\/li>\n<li>N\u00e9n \u1ea3nh tr\u01b0\u1edbc khi t\u1ea3i l\u00ean.<\/li>\n<li>Ch\u1ecdn theme nh\u1eb9 v\u00e0 ch\u1ec9 c\u00e0i \u0111\u1eb7t c\u00e1c plugin th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h4 class=\"wpaap-checklist-title\">Checklist T\u1ed1i \u01afu H\u00f3a WordPress Ban \u0110\u1ea7u<\/h4>\n<ul class=\"wpaap-checklist\">\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> \u0110\u1eb7t l\u1ea1i \u0111\u01b0\u1eddng d\u1eabn t\u0129nh th\u00e0nh &#039;T\u00ean b\u00e0i vi\u1ebft&#039;<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> C\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t theme t\u01b0\u01a1ng th\u00edch di \u0111\u1ed9ng, nh\u1eb9<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> C\u00e0i \u0111\u1eb7t plugin SEO nh\u01b0 Rank Math ho\u1eb7c Yoast SEO<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> C\u00e0i \u0111\u1eb7t plugin b\u1ea3o m\u1eadt nh\u01b0 Wordfence ho\u1eb7c iThemes Security<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> C\u00e0i \u0111\u1eb7t plugin sao l\u01b0u d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> K\u00edch ho\u1ea1t SSL (HTTPS) cho to\u00e0n b\u1ed9 website<\/li>\n<li><span class=\"wpaap-check-icon\">\u2713<\/span> X\u00f3a c\u00e1c theme v\u00e0 plugin kh\u00f4ng s\u1eed d\u1ee5ng<\/li>\n<\/ul>\n<h2 id=\"khac-phuc-su-co-thuong-gap-khi-cai-dat-wordpress\">Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1 Th\u01b0\u1eddng G\u1eb7p Khi C\u00e0i \u0110\u1eb7t WordPress<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t WordPress, b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang.<\/p>\n<h3 id=\"loi-ket-noi-co-so-du-lieu\">L\u1ed7i K\u1ebft N\u1ed1i C\u01a1 S\u1edf D\u1eef Li\u1ec7u<\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng th\u00f4ng b\u00e1o \u201cError establishing a database connection\u201d. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng do:<\/p>\n<ul>\n<li><strong>Sai th\u00f4ng tin c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/strong> Ki\u1ec3m tra l\u1ea1i <code>wp-config.php<\/code> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u00ean ng\u01b0\u1eddi d\u00f9ng, m\u1eadt kh\u1ea9u v\u00e0 m\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u (DB_HOST, th\u01b0\u1eddng l\u00e0 localhost) l\u00e0 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u b\u1ecb h\u1ecfng:<\/strong> Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p hosting \u0111\u1ec3 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<li><strong>M\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng:<\/strong> C\u00f3 th\u1ec3 m\u00e1y ch\u1ee7 MySQL \u0111ang g\u1eb7p s\u1ef1 c\u1ed1. Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p hosting.<\/li>\n<\/ul>\n<div class=\"wpaap-callout wpaap-callout--expert\">\n<div class=\"wpaap-callout__title\">\ud83c\udfaf Kinh nghi\u1ec7m<\/div>\n<div class=\"wpaap-callout__body\">Khi g\u1eb7p l\u1ed7i k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u, h\u00e3y ki\u1ec3m tra k\u1ef9 file wp-config.php tr\u01b0\u1edbc ti\u00ean. \u0110\u00e2y l\u00e0 n\u01a1i ch\u1ee9a c\u00e1c th\u00f4ng tin quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 WordPress k\u1ebft n\u1ed1i v\u1edbi database. M\u1ed9t l\u1ed7i \u0111\u00e1nh m\u00e1y nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1.<\/div>\n<\/div>\n<h3 id=\"loi-cai-dat-file-wordpress\">L\u1ed7i C\u00e0i \u0110\u1eb7t File WordPress<\/h3>\n<p>N\u1ebfu b\u1ea1n g\u1eb7p l\u1ed7i trong qu\u00e1 tr\u00ecnh t\u1ea3i file l\u00ean ho\u1eb7c gi\u1ea3i n\u00e9n, h\u00e3y ki\u1ec3m tra:<\/p>\n<ul>\n<li><strong>Quy\u1ec1n file (File Permissions):<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c th\u01b0 m\u1ee5c c\u00f3 quy\u1ec1n 755 v\u00e0 c\u00e1c file c\u00f3 quy\u1ec1n 644. B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i quy\u1ec1n file b\u1eb1ng FTP client.<\/li>\n<li><strong>File b\u1ecb h\u1ecfng:<\/strong> Th\u1eed t\u1ea3i l\u1ea1i file WordPress t\u1eeb wordpress.org v\u00e0 t\u1ea3i l\u1ea1i l\u00ean hosting.<\/li>\n<li><strong>Kh\u00f4ng \u0111\u1ee7 dung l\u01b0\u1ee3ng hosting:<\/strong> Ki\u1ec3m tra dung l\u01b0\u1ee3ng c\u00f2n tr\u1ed1ng tr\u00ean g\u00f3i hosting c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3 id=\"website-bi-trang-trang-white-screen-of-death\">Website B\u1ecb Tr\u1eafng Trang (White Screen of Death)<\/h3>\n<p>L\u1ed7i n\u00e0y khi\u1ebfn website c\u1ee7a b\u1ea1n ch\u1ec9 hi\u1ec3n th\u1ecb m\u1ed9t trang tr\u1eafng. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 do:<\/p>\n<ul>\n<li><strong>Plugin ho\u1eb7c theme xung \u0111\u1ed9t:<\/strong> \u0110\u1ec3 kh\u1eafc ph\u1ee5c, h\u00e3y truy c\u1eadp th\u01b0 m\u1ee5c <code>wp-content<\/code> qua FTP, sau \u0111\u00f3 \u0111\u1ed5i t\u00ean th\u01b0 m\u1ee5c <code>plugins<\/code> v\u00e0 <code>themes<\/code> th\u00e0nh t\u00ean kh\u00e1c (v\u00ed d\u1ee5: <code>plugins_old<\/code>, <code>themes_old<\/code>). N\u1ebfu website ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i, h\u00e3y \u0111\u1ed5i t\u00ean ch\u00fang v\u1ec1 nh\u01b0 c\u0169 v\u00e0 ki\u1ec3m tra t\u1eebng plugin\/theme m\u1ed9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1ee7 ph\u1ea1m.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n b\u1ed9 nh\u1edb PHP:<\/strong> C\u1ea7n t\u0103ng gi\u1edbi h\u1ea1n b\u1ed9 nh\u1edb PHP. B\u1ea1n c\u00f3 th\u1ec3 th\u00eam d\u00f2ng <code>define('WP_MEMORY_LIMIT', '256M');<\/code> v\u00e0o file <code>wp-config.php<\/code> ho\u1eb7c li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p hosting \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/li>\n<\/ul>\n<figure class=\"wp-block-image aligncenter size-full\"><img src=\"https:\/\/wp-help-lite.ts.dev.matbao.ai\/wp-content\/uploads\/2026\/06\/ai-img-525-4.jpg\" alt=\"White screen of death error on a WordPress website\" loading=\"lazy\" decoding=\"async\" \/><figcaption>L\u1ed7i m\u00e0n h\u00ecnh tr\u1eafng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn, th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb xung \u0111\u1ed9t plugin\/theme ho\u1eb7c gi\u1edbi h\u1ea1n b\u1ed9 nh\u1edb PHP.<\/figcaption><\/figure>\n<div class=\"wpaap-cta-box\">B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng t\u1ea1o website c\u1ee7a ri\u00eang m\u00ecnh ch\u01b0a? H\u00e3y ch\u1ecdn g\u00f3i hosting ph\u00f9 h\u1ee3p v\u00e0 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh v\u1edbi WordPress ngay h\u00f4m nay!<\/div>\n<h2 id=\"ket-luan\">K\u1ebft Lu\u1eadn<\/h2>\n<p>C\u00e0i \u0111\u1eb7t WordPress c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, nh\u01b0ng v\u1edbi h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc n\u00e0y, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t trang web chuy\u00ean nghi\u1ec7p. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn hosting, t\u00ean mi\u1ec1n cho \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t t\u1ef1 \u0111\u1ed9ng hay th\u1ee7 c\u00f4ng, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 c\u1ea5u h\u00ecnh ban \u0111\u1ea7u, m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o website c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. \u0110\u1eebng ng\u1ea7n ng\u1ea1i th\u1eed nghi\u1ec7m v\u00e0 kh\u00e1m ph\u00e1, v\u00ec WordPress mang \u0111\u1ebfn m\u1ed9t th\u1ebf gi\u1edbi kh\u1ea3 n\u0103ng kh\u00f4ng gi\u1edbi h\u1ea1n cho s\u1ef1 s\u00e1ng t\u1ea1o c\u1ee7a b\u1ea1n!<\/p>\n<div class=\"wpaap-faq-section\">\n<h3 id=\"cau-hoi-thuong-gap\" class=\"wpaap-faq-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h3>\n<div class=\"wpaap-faq-item\"><input type=\"checkbox\" id=\"wpaap-faq-1\" class=\"wpaap-faq-toggle\" checked><label class=\"wpaap-faq-q\" for=\"wpaap-faq-1\">T\u00f4i c\u00f3 c\u1ea7n ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh \u0111\u1ec3 c\u00e0i \u0111\u1eb7t WordPress kh\u00f4ng?<span class=\"wpaap-faq-icon\" aria-hidden=\"true\"><\/span><\/label><\/p>\n<div class=\"wpaap-faq-a\">Kh\u00f4ng, b\u1ea1n kh\u00f4ng c\u1ea7n ki\u1ebfn th\u1ee9c l\u1eadp tr\u00ecnh. V\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Softaculous, vi\u1ec7c c\u00e0i \u0111\u1eb7t WordPress r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat.<\/div>\n<\/div>\n<div class=\"wpaap-faq-item\">\n<div class=\"wpaap-faq-q\">T\u00f4i n\u00ean ch\u1ecdn lo\u1ea1i hosting n\u00e0o cho website WordPress m\u1edbi?<span class=\"wpaap-faq-icon\" aria-hidden=\"true\">\u25bc<\/span><\/div>\n<div class=\"wpaap-faq-a\" style=\"display:none\">\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u, Shared Hosting ho\u1eb7c Managed WordPress Hosting l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t. Ch\u00fang d\u1ec5 s\u1eed d\u1ee5ng, c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 \u0111\u1ee7 hi\u1ec7u su\u1ea5t cho m\u1ed9t website m\u1edbi.<\/div>\n<\/div>\n<div class=\"wpaap-faq-item\">\n<div class=\"wpaap-faq-q\">C\u00e0i \u0111\u1eb7t SSL c\u00f3 b\u1eaft bu\u1ed9c kh\u00f4ng?<span class=\"wpaap-faq-icon\" aria-hidden=\"true\">\u25bc<\/span><\/div>\n<div class=\"wpaap-faq-a\" style=\"display:none\">C\u00f3, c\u00e0i \u0111\u1eb7t SSL (HTTPS) l\u00e0 r\u1ea5t quan tr\u1ecdng. 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