{"id":42064,"date":"2026-06-25T11:36:00","date_gmt":"2026-06-25T04:36:00","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=42064"},"modified":"2026-06-25T11:56:56","modified_gmt":"2026-06-25T04:56:56","slug":"sua-code-wordpress","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/sua-code-wordpress\/","title":{"rendered":"S\u1eeda Code WordPress An To\u00e0n: H\u01b0\u1edbng D\u1eabn HTML, PHP &#038; CSS Chi Ti\u1ebft"},"content":{"rendered":"\n\n<style>\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--border:#d8e6fb;--bg:#f3f8ff;container-type:inline-size;background:var(--bg);padding:14px 12px;overflow:hidden}\n.interdata-carousel-heading{color:#003fbd;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 0 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card,.interdata-plan-card *{box-sizing:border-box}\n.interdata-plan-card{flex:0 0 calc(25% - 9px);min-width:205px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 14px 14px;min-height:382px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:0 5px 14px rgba(0,62,145,.08)}\n.interdata-plan-title{color:var(--blue-dark);font-size:17px;line-height:1.25;font-weight:800;text-align:center;margin:0 0 8px}\n.interdata-plan-price{color:var(--blue-dark);font-size:32px;line-height:1;font-weight:900;text-align:center;margin-bottom:14px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:12px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:8px 10px;font-size:10px;line-height:1;font-weight:800;margin-bottom:18px;white-space:nowrap}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:8px;align-items:flex-start;color:var(--text);font-size:13px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 11px!important;padding:0!important}\n.interdata-plan-icon{width:15px;min-width:15px;height:15px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:44px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:14px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background .2s ease}\n.interdata-plan-button:hover{background:var(--blue-dark);color:#fff!important;transform:translateY(-1px)}\n@container (max-width:860px){.interdata-plan-card{flex-basis:calc(33.333% - 8px);min-width:205px}}\n@container (max-width:640px){.interdata-plan-card{flex-basis:calc(50% - 7px);min-width:215px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 10px}.interdata-carousel-heading{font-size:16px}.interdata-plan-card{flex-basis:86%;min-width:235px}.interdata-plan-price{font-size:31px}}\n@media (max-width:360px){.interdata-plan-card{flex-basis:90%;min-width:220px}.interdata-plan-price{font-size:29px}.interdata-plan-badge{font-size:9px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\">\n  <div class=\"interdata-carousel-heading\"><span style=\"font-family: Roboto, sans-serif; color: red;\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/span><\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <div class=\"interdata-plan-track\">\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">299K<span>\/3 Th\u00e1ng<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore Intel Xeon Scalable<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-value-plans-2026\/best-value-plans-premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Pro<\/h3>\n      <div class=\"interdata-plan-price\">2.599K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>6 vCore Intel Xeon Scalable<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 350 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n      <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80 GB S3 v\u00e0 1 N\u0102M S\u1eec D\u1ee4NG khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD EPYC<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10 Gbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n  <\/div>\n<\/div>\n\n\t<div id=\"gap-1503984627\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1503984627 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p style=\"text-align: justify;\"><span style=\"font-size: 100%;\"><br \/>\nVi\u1ec7c <strong>s\u1eeda code wordpress<\/strong> l\u00e0 k\u1ef9 n\u0103ng b\u1eaft bu\u1ed9c khi b\u1ea1n mu\u1ed1n ch\u00e8n m\u00e3 theo d\u00f5i, t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1ea3i trang ho\u1eb7c t\u00f9y ch\u1ec9nh giao di\u1ec7n m\u00e0 ph\u1ea7n c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh c\u1ee7a Theme kh\u00f4ng h\u1ed7 tr\u1ee3. Tuy nhi\u00ean, n\u1ebfu thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean c\u00e1c t\u1ec7p l\u00f5i m\u00e0 thi\u1ebfu ki\u1ebfn th\u1ee9c v\u1ec1 c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng, b\u1ea1n r\u1ea5t d\u1ec5 g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng s\u1eadp web, l\u1ed7i 500 ho\u1eb7c m\u1ea5t to\u00e0n b\u1ed9 thay \u0111\u1ed5i sau khi c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n m\u1edbi. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n quy tr\u00ecnh chu\u1ea9n c\u1ee7a m\u1ed9t qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng (sysadmin) \u0111\u1ec3 ch\u1ec9nh s\u1eeda code WordPress HTML, PHP, CSS m\u1ed9t c\u00e1ch an to\u00e0n, t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 \u0111\u1ebfn qu\u1ea3n tr\u1ecb t\u1ec7p tin tr\u1ef1c ti\u1ebfp.<br \/>\n<\/span><\/p>\n<div style=\"background-color: #eff6ff; padding: 20px; border: 1.5px solid #BFDBFE; border-radius: 12px; margin-bottom: 40px; box-shadow: 0 8px 20px rgba(37, 99, 235, 0.05);\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; font-size: 18px; margin-top: 0; margin-bottom: 15px; color: #1e3a8a;\">N\u1ed8I DUNG B\u00c0I VI\u1ebeT<\/p>\n<ul style=\"list-style-type: none; padding-left: 0; margin: 0;\">\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section1\">1. T\u1ea1i Sao Vi\u1ec7c S\u1eeda Code WordPress Tr\u1ef1c Ti\u1ebfp V\u00e0o Theme G\u1ed1c L\u1ea1i Nguy Hi\u1ec3m?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section2\">2. H\u01b0\u1edbng D\u1eabn C\u00e1ch S\u1eeda Code WordPress An To\u00e0n<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section3\">3. H\u01b0\u1edbng D\u1eabn Th\u00eam JS V\u00e0o WP V\u00e0 S\u1eeda Header Footer An To\u00e0n<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section4\">4. Th\u1ee7 Thu\u1eadt S\u1eeda Code WordPress B\u1eb1ng C\u00e1ch Edit Functions.php<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section5\">5. Kh\u1eafc Ph\u1ee5c Nhanh L\u1ed7i Tr\u1eafng Trang WP Khi Xung \u0110\u1ed9t Code<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section6\">6. Quy\u1ec1n Qu\u1ea3n Tr\u1ecb Server \u1ea2nh H\u01b0\u1edfng Th\u1ebf N\u00e0o \u0110\u1ebfn Qu\u00e1 Tr\u00ecnh Vi\u1ebft Code?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: bold;\" href=\"#section7\">7. C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ) V\u1ec1 Can Thi\u1ec7p M\u00e3 Ngu\u1ed3n Website<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"section1\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">1. T\u1ea1i Sao Vi\u1ec7c S\u1eeda Code WordPress Tr\u1ef1c Ti\u1ebfp V\u00e0o Theme G\u1ed1c L\u1ea1i Nguy Hi\u1ec3m?<\/h2>\n<p style=\"text-align: justify;\">L\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a ng\u01b0\u1eddi m\u1edbi qu\u1ea3n tr\u1ecb website l\u00e0 v\u00e0o th\u1eb3ng m\u1ee5c <em>Appearance -&gt; Theme File Editor<\/em> v\u00e0 ch\u1ec9nh s\u1eeda tr\u1ef1c ti\u1ebfp file <code>style.css<\/code> ho\u1eb7c <code>functions.php<\/code> c\u1ee7a giao di\u1ec7n \u0111ang k\u00edch ho\u1ea1t. Vi\u1ec7c n\u00e0y vi ph\u1ea1m nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n trong qu\u1ea3n tr\u1ecb phi\u00ean b\u1ea3n m\u00e3 ngu\u1ed3n.<\/p>\n<p style=\"text-align: justify;\">Khi nh\u00e0 ph\u00e1t tri\u1ec3n Theme ph\u00e1t h\u00e0nh b\u1ea3n c\u1eadp nh\u1eadt m\u1edbi (\u0111\u1ec3 v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt ho\u1eb7c th\u00eam t\u00ednh n\u0103ng), to\u00e0n b\u1ed9 c\u00e1c file trong th\u01b0 m\u1ee5c Theme g\u1ed1c s\u1ebd b\u1ecb ghi \u0111\u00e8. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u1ea5t c\u1ea3 c\u00e1c \u0111o\u1ea1n m\u00e3 b\u1ea1n v\u1eeba d\u00e0y c\u00f4ng th\u00eam v\u00e0o s\u1ebd b\u1ecb x\u00f3a s\u1ea1ch ho\u00e0n to\u00e0n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-42081\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Chinh-Sua-Code-WordPress-1024x683.jpg\" alt=\"Ch\u1ec9nh S\u1eeda Code WordPress\" width=\"1020\" height=\"680\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Chinh-Sua-Code-WordPress-1024x683.jpg 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Chinh-Sua-Code-WordPress-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Chinh-Sua-Code-WordPress-768x512.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Chinh-Sua-Code-WordPress.jpg 1536w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 s\u1eeda giao di\u1ec7n wp m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, b\u1ea1n ph\u1ea3i \u00e1p d\u1ee5ng m\u1ed9t trong hai c\u01a1 ch\u1ebf sau:<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\"><strong>T\u1ea1o Child Theme WP:<\/strong> Giao di\u1ec7n con (Child Theme) k\u1ebf th\u1eeba to\u00e0n b\u1ed9 t\u00ednh n\u0103ng v\u00e0 giao di\u1ec7n c\u1ee7a giao di\u1ec7n m\u1eb9 (Parent Theme). Khi b\u1ea1n vi\u1ebft code v\u00e0o t\u1ec7p <code>style.css<\/code> c\u1ee7a Child Theme, m\u00e3 n\u00e0y s\u1ebd ghi \u0111\u00e8 l\u00ean thi\u1ebft l\u1eadp g\u1ed1c nh\u01b0ng kh\u00f4ng b\u1ecb m\u1ea5t \u0111i khi Parent Theme c\u1eadp nh\u1eadt.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>S\u1eed d\u1ee5ng Plugin \u0111\u1ed9c l\u1eadp:<\/strong> Thay v\u00ec nh\u00fang m\u00e3 v\u00e0o file h\u1ec7 th\u1ed1ng, b\u1ea1n d\u00f9ng c\u00e1c plugin chuy\u00ean d\u1ee5ng \u0111\u1ec3 ti\u00eam (inject) m\u00e3 v\u00e0o khu v\u1ef1c c\u1ea7n thi\u1ebft khi trang t\u1ea3i.<\/li>\n<\/ul>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Thu\u00ea VPS<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">Quy\u1ec1n Root \u0110\u1ed9c L\u1eadp \u2022 \u1ed4 C\u1ee9ng NVMe T\u1ed1c \u0110\u1ed9 Cao \u2022 M\u00f4i Tr\u01b0\u1eddng Test An To\u00e0n<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">D\u1ef1ng M\u00f4i Tr\u01b0\u1eddng Staging \u0110\u1ec3 Test Code M\u00e0 Kh\u00f4ng S\u1ee3 H\u1ecfng Web Ch\u1ea1y Th\u1eadt<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Tr\u01b0\u1edbc khi tri\u1ec3n khai m\u1ed9t \u0111o\u1ea1n code PHP ph\u1ee9c t\u1ea1p hay thay \u0111\u1ed5i c\u1ea5u tr\u00fac giao di\u1ec7n, b\u1ea1n tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean l\u00e0m tr\u1ef1c ti\u1ebfp tr\u00ean website \u0111ang c\u00f3 kh\u00e1ch truy c\u1eadp (Production). V\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o VPS, b\u1ea1n c\u00f3 to\u00e0n quy\u1ec1n c\u00e0i \u0111\u1eb7t m\u00f4i tr\u01b0\u1eddng gi\u1ea3 l\u1eadp (Staging\/Dev) t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n. B\u1ea1n c\u00f3 th\u1ec3 can thi\u1ec7p s\u00e2u v\u00e0o file h\u1ec7 th\u1ed1ng qua k\u1ebft n\u1ed1i SSH an to\u00e0n, ki\u1ec3m th\u1eed l\u1ed7i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng s\u1ed1 PHP t\u1ef1 do tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng ch\u00ednh th\u1ee9c.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Xem C\u00e1c C\u1ea5u H\u00ecnh VPS \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p>C\u00f3 nhi\u1ec1u gi\u1ea3i ph\u00e1p \u0111\u1ec3 can thi\u1ec7p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u00e3 ngu\u1ed3n c\u1ee7a website WordPress. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9nh s\u1eeda code c\u01a1 b\u1ea3n, gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a giao di\u1ec7n v\u00e0 t\u00ednh n\u0103ng c\u1ee7a trang web m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n.<\/p>\n<h2 id=\"section2\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">2. H\u01b0\u1edbng D\u1eabn C\u00e1ch S\u1eeda Code WordPress An To\u00e0n<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-42080\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-Sua-Code-WordPress-An-Toan-1024x683.jpg\" alt=\"C\u00e1ch S\u1eeda Code WordPress An To\u00e0n\" width=\"1020\" height=\"680\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-Sua-Code-WordPress-An-Toan-1024x683.jpg 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-Sua-Code-WordPress-An-Toan-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-Sua-Code-WordPress-An-Toan-768x512.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-Sua-Code-WordPress-An-Toan.jpg 1536w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/p>\n<h3>1. H\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u1ec9nh s\u1eeda HTML tr\u00ean WordPress<\/h3>\n<h4>S\u1eed d\u1ee5ng Classic Editor (Tr\u00ecnh so\u1ea1n th\u1ea3o c\u1ed5 \u0111i\u1ec3n)<\/h4>\n<p>Thay \u0111\u1ed5i m\u00e3 HTML tr\u00ean b\u00e0i vi\u1ebft ho\u1eb7c trang b\u1eb1ng Classic Editor t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u1ea1n n\u00ean th\u1ef1c hi\u1ec7n sao l\u01b0u d\u1eef li\u1ec7u tr\u01b0\u1edbc khi thay \u0111\u1ed5i. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n kh\u00f4ng c\u1ea7n truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e3 ngu\u1ed3n h\u1ec7 th\u1ed1ng c\u1ee7a website.<\/p>\n<p>Trong giao di\u1ec7n so\u1ea1n th\u1ea3o, b\u1ea1n ch\u1ec9 c\u1ea7n chuy\u1ec3n \u0111\u1ed5i t\u1eeb tab <strong>Tr\u1ef1c quan (Visual)<\/strong> sang tab <strong>V\u0103n b\u1ea3n (Text)<\/strong>. T\u1ea1i \u0111\u00e2y, to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac HTML c\u1ee7a b\u00e0i vi\u1ebft s\u1ebd hi\u1ec3n th\u1ecb \u0111\u1ec3 b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh. Sau khi ch\u1ec9nh s\u1eeda xong, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n l\u1ea1i tab Tr\u1ef1c quan \u0111\u1ec3 ki\u1ec3m tra hi\u1ec3n th\u1ecb tr\u01b0\u1edbc khi nh\u1ea5n l\u01b0u l\u1ea1i b\u00e0i vi\u1ebft.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-42087\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-chinh-sua-code-HTML-1024x294.png\" alt=\"C\u00e1ch ch\u1ec9nh s\u1eeda code HTML\" width=\"1020\" height=\"293\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-chinh-sua-code-HTML-1024x294.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-chinh-sua-code-HTML-300x86.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-chinh-sua-code-HTML-768x221.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Cach-chinh-sua-code-HTML.png 1434w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/p>\n<h4>S\u1eed d\u1ee5ng Block Editor (Gutenberg)<\/h4>\n<p>\u0110\u1ed1i v\u1edbi tr\u00ecnh so\u1ea1n th\u1ea3o Block Editor, vi\u1ec7c truy c\u1eadp m\u00e3 ngu\u1ed3n HTML c\u1ea7n qua m\u1ed9t v\u00e0i thao t\u00e1c kh\u00e1c bi\u1ec7t, tuy nhi\u00ean c\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn linh ho\u1ea1t cho t\u1eebng kh\u1ed1i (block) ri\u00eang l\u1ebb ho\u1eb7c to\u00e0n b\u1ed9 trang.<\/p>\n<p>\u0110\u1ec3 thay \u0111\u1ed5i HTML c\u1ee7a to\u00e0n b\u1ed9 trang ho\u1eb7c b\u00e0i vi\u1ebft, b\u1ea1n nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng ba d\u1ea5u ch\u1ea5m d\u1ecdc \u1edf g\u00f3c tr\u00ean c\u00f9ng b\u00ean ph\u1ea3i m\u00e0n h\u00ecnh v\u00e0 ch\u1ecdn <strong>Tr\u00ecnh ch\u1ec9nh s\u1eeda m\u00e3 (Code Editor)<\/strong>.<\/p>\n<p>N\u1ebfu ch\u1ec9 mu\u1ed1n s\u1eeda HTML cho m\u1ed9t kh\u1ed1i c\u1ee5 th\u1ec3, b\u1ea1n ch\u1ecdn kh\u1ed1i \u0111\u00f3, nh\u1ea5p v\u00e0o d\u1ea5u ba ch\u1ea5m tr\u00ean thanh c\u00f4ng c\u1ee5 c\u1ee7a kh\u1ed1i v\u00e0 ch\u1ecdn <strong>Ch\u1ec9nh s\u1eeda d\u01b0\u1edbi d\u1ea1ng HTML (Edit as HTML)<\/strong>.<\/p>\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u1ed1i <strong>HTML t\u00f9y ch\u1ec9nh (Custom HTML)<\/strong> \u0111\u1ec3 ch\u00e8n tr\u1ef1c ti\u1ebfp m\u00e3 code v\u00e0o trang. Kh\u1ed1i n\u00e0y h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng <strong>Xem tr\u01b0\u1edbc (Preview)<\/strong> gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng ki\u1ec3m tra giao di\u1ec7n hi\u1ec3n th\u1ecb tr\u01b0\u1edbc khi l\u01b0u l\u1ea1i trang.<\/p>\n<h4>Thay \u0111\u1ed5i HTML c\u1ee7a trang ch\u1ee7<\/h4>\n<p>T\u00f9y thu\u1ed9c v\u00e0o giao di\u1ec7n (theme) \u0111ang s\u1eed d\u1ee5ng, trang ch\u1ee7 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trang \u0111\u1ed9c l\u1eadp. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y trang n\u00e0y trong danh s\u00e1ch qu\u1ea3n l\u00fd trang c\u1ee7a WordPress Dashboard ho\u1eb7c nh\u1ea5p v\u00e0o n\u00fat <strong>S\u1eeda trang (Edit Page)<\/strong> tr\u00ean thanh admin khi \u0111ang xem trang ch\u1ee7 ngo\u00e0i giao di\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n<p>N\u1ebfu kh\u00f4ng \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c hai c\u00e1ch tr\u00ean, trang ch\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111ang \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi m\u1ed9t c\u00f4ng c\u1ee5 x\u00e2y d\u1ef1ng trang (Page Builder) ho\u1eb7c t\u00ednh n\u0103ng t\u00f9y bi\u1ebfn ri\u00eang c\u1ee7a theme. Khi \u0111\u00f3, b\u1ea1n c\u1ea7n tham kh\u1ea3o th\u00eam t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn \u0111i k\u00e8m c\u1ee7a giao di\u1ec7n ho\u1eb7c c\u00f4ng c\u1ee5 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h4>Ch\u00e8n HTML th\u00f4ng qua Widget<\/h4>\n<p>N\u1ebfu mu\u1ed1n \u0111\u01b0a HTML v\u00e0o c\u00e1c khu v\u1ef1c nh\u01b0 thanh b\u00ean (sidebar) ho\u1eb7c ch\u00e2n trang (footer), b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng widget <strong>HTML t\u00f9y ch\u1ec9nh<\/strong>. Truy c\u1eadp v\u00e0o \u0111\u01b0\u1eddng d\u1eabn <strong>Giao di\u1ec7n (Appearance) &gt; Widget<\/strong>, k\u00e9o widget n\u00e0y v\u00e0o v\u00f9ng hi\u1ec3n th\u1ecb mong mu\u1ed1n, so\u1ea1n th\u1ea3o m\u00e3 v\u00e0 nh\u1ea5n <strong>L\u01b0u<\/strong> \u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/p>\n<h3>2. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 Theme Editor \u0111\u1ec3 ch\u1ec9nh s\u1eeda m\u00e3 ngu\u1ed3n<\/h3>\n<p>WordPress t\u00edch h\u1ee3p s\u1eb5n tr\u00ecnh ch\u1ec9nh s\u1eeda t\u1ec7p tr\u1ef1c tuy\u1ebfn cho ph\u00e9p can thi\u1ec7p v\u00e0o c\u00e1c t\u1ec7p PHP, CSS v\u00e0 JavaScript c\u1ee7a giao di\u1ec7n. \u0110\u1ec3 s\u1eed d\u1ee5ng, b\u1ea1n truy c\u1eadp v\u00e0o m\u1ee5c <strong>Giao di\u1ec7n (Appearance) &gt; Tr\u00ecnh ch\u1ec9nh s\u1eeda t\u1ec7p giao di\u1ec7n (Theme Editor)<\/strong>.<\/p>\n<p>T\u1ea1i \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn giao di\u1ec7n c\u1ea7n ch\u1ec9nh s\u1eeda \u1edf g\u00f3c tr\u00ean b\u00ean ph\u1ea3i. Danh s\u00e1ch c\u00e1c t\u1ec7p tin c\u1ea5u th\u00e0nh giao di\u1ec7n s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf c\u1ed9t b\u00ean ph\u1ea3i, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:<\/p>\n<ul>\n<li><strong>style.css:<\/strong> Ch\u1ee9a c\u00e1c m\u00e3 \u0111\u1ecbnh d\u1ea1ng giao di\u1ec7n, m\u00e0u s\u1eafc, font ch\u1eef c\u1ee7a theme.<\/li>\n<li><strong>functions.php:<\/strong> Ch\u1ee9a c\u00e1c h\u00e0m PHP \u0111\u1ec3 t\u00f9y bi\u1ebfn ho\u1eb7c b\u1ed5 sung t\u00ednh n\u0103ng cho WordPress v\u00e0 c\u00e1c ti\u1ec7n \u00edch li\u00ean quan nh\u01b0 WooCommerce.<\/li>\n<\/ul>\n<p>Sau khi th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i, h\u00e3y nh\u1ea5n <strong>C\u1eadp nh\u1eadt t\u1ec7p (Update File)<\/strong> \u0111\u1ec3 \u00e1p d\u1ee5ng. H\u1ec7 th\u1ed1ng WordPress c\u00f3 c\u01a1 ch\u1ebf ki\u1ec3m tra l\u1ed7i c\u00fa ph\u00e1p c\u01a1 b\u1ea3n v\u00e0 th\u01b0\u1eddng s\u1ebd ng\u0103n vi\u1ec7c l\u01b0u t\u1ec7p n\u1ebfu ph\u00e1t hi\u1ec7n l\u1ed7i nghi\u00eam tr\u1ecdng g\u00e2y treo trang.<\/p>\n<h3>3. Ch\u1ec9nh s\u1eeda m\u00e3 ngu\u1ed3n WordPress th\u00f4ng qua k\u1ebft n\u1ed1i FTP<\/h3>\n<p>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m FTP client l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf gi\u00fap truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e1y ch\u1ee7 c\u1ee7a website. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p b\u1ea1n ch\u1ec9nh s\u1eeda c\u00e1c t\u1ec7p tin c\u1ee5c b\u1ed9 tr\u00ean m\u00e1y t\u00ednh r\u1ed3i t\u1ea3i ng\u01b0\u1ee3c l\u1ea1i l\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 thay th\u1ebf phi\u00ean b\u1ea3n c\u0169.<\/p>\n<ol>\n<li><strong>B\u01b0\u1edbc 1: Kh\u1edfi t\u1ea1o th\u00f4ng tin \u0111\u0103ng nh\u1eadp FTP:<\/strong> Truy c\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb hosting (v\u00ed d\u1ee5 cPanel), t\u00ecm m\u1ee5c <strong>T\u00e0i kho\u1ea3n FTP (FTP Accounts)<\/strong> \u0111\u1ec3 t\u1ea1o t\u00e0i kho\u1ea3n m\u1edbi. B\u1ea1n c\u1ea7n \u0111i\u1ec1n t\u00ean \u0111\u0103ng nh\u1eadp, m\u1eadt kh\u1ea9u c\u00f3 \u0111\u1ed9 b\u1ea3o m\u1eadt cao, thi\u1ebft l\u1eadp th\u01b0 m\u1ee5c g\u1ed1c (th\u00f4ng th\u01b0\u1eddng l\u00e0 <code>public_html<\/code>) v\u00e0 \u0111\u1eb7t h\u1ea1n m\u1ee9c dung l\u01b0\u1ee3ng (Quota) l\u00e0 Kh\u00f4ng gi\u1edbi h\u1ea1n (Unlimited).<\/li>\n<li><strong>B\u01b0\u1edbc 2: T\u1ea3i \u1ee9ng d\u1ee5ng FTP Client:<\/strong> T\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 truy\u1ec1n t\u1ea3i file, v\u00ed d\u1ee5 nh\u01b0 ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf FileZilla.<\/li>\n<li><strong>B\u01b0\u1edbc 3: K\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7:<\/strong> M\u1edf FileZilla, \u0111i\u1ec1n c\u00e1c th\u00f4ng tin bao g\u1ed3m Host (\u0111\u1ecba ch\u1ec9 IP ho\u1eb7c t\u00ean mi\u1ec1n), Username, Password \u0111\u00e3 kh\u1edfi t\u1ea1o, sau \u0111\u00f3 nh\u1ea5n <strong>K\u1ebft n\u1ed1i nhanh (Quickconnect)<\/strong>.<\/li>\n<li><strong>B\u01b0\u1edbc 4: Ti\u1ebfn h\u00e0nh ch\u1ec9nh s\u1eeda code:<\/strong> T\u00ecm \u0111\u1ebfn t\u1ec7p tin c\u1ea7n s\u1eeda trong danh s\u00e1ch th\u01b0 m\u1ee5c c\u1ee7a m\u00e1y ch\u1ee7, nh\u1ea5p chu\u1ed9t ph\u1ea3i ch\u1ecdn <strong>Xem\/S\u1eeda (View\/Edit)<\/strong>. Sau khi ho\u00e0n th\u00e0nh vi\u1ec7c ch\u1ec9nh s\u1eeda v\u00e0 l\u01b0u l\u1ea1i t\u1ec7p tr\u00ean m\u00e1y t\u00ednh, FileZilla s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1ea3i phi\u00ean b\u1ea3n m\u1edbi l\u00ean ghi \u0111\u00e8 t\u1ec7p c\u0169.<\/li>\n<\/ol>\n<p><em>L\u01b0u \u00fd an to\u00e0n:<\/em> Vi\u1ec7c ch\u1ec9nh s\u1eeda tr\u1ef1c ti\u1ebfp tr\u00ean m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf (live site) lu\u00f4n ti\u1ec1m \u1ea9n r\u1ee7i ro l\u1ed7i h\u1ec7 th\u1ed1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng Staging (th\u1eed nghi\u1ec7m).<\/p>\n<h3>4. C\u00e1ch t\u00f9y bi\u1ebfn CSS v\u00e0 PHP trong WordPress<\/h3>\n<p>B\u00ean c\u1ea1nh vi\u1ec7c can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e3 ngu\u1ed3n, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c c\u00e1ch sau \u0111\u1ec3 ch\u1ec9nh s\u1eeda \u0111\u1ecbnh d\u1ea1ng CSS v\u00e0 ch\u1ee9c n\u0103ng PHP:<\/p>\n<h4>Ch\u1ec9nh s\u1eeda qua Theme Editor<\/h4>\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp <strong>Giao di\u1ec7n &gt; Tr\u00ecnh ch\u1ec9nh s\u1eeda t\u1ec7p giao di\u1ec7n<\/strong> v\u00e0 t\u00ecm \u0111\u1ebfn t\u1ec7p c\u00f3 \u0111u\u00f4i <code>.css<\/code> \u0111\u1ec3 ti\u1ebfn h\u00e0nh ch\u1ec9nh s\u1eeda th\u1ee7 c\u00f4ng, sau \u0111\u00f3 c\u1eadp nh\u1eadt t\u1ec7p \u0111\u1ec3 \u00e1p d\u1ee5ng thay \u0111\u1ed5i.<\/p>\n<h4>S\u1eed d\u1ee5ng t\u00ednh n\u0103ng Customize (T\u00f9y bi\u1ebfn) c\u1ee7a WordPress<\/h4>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec1u ch\u1ec9nh CSS nh\u1ecf, ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n v\u00e0 nhanh ch\u00f3ng h\u01a1n l\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 T\u00f9y bi\u1ebfn m\u1eb7c \u0111\u1ecbnh. B\u1ea1n truy c\u1eadp v\u00e0o <strong>Giao di\u1ec7n (Appearance) &gt; T\u00f9y bi\u1ebfn (Customize)<\/strong>, sau \u0111\u00f3 ch\u1ecdn m\u1ee5c <strong>CSS b\u1ed5 sung (Additional CSS)<\/strong> \u1edf cu\u1ed1i b\u1ea3ng menu b\u00ean tr\u00e1i. M\u1ed9t khung so\u1ea1n th\u1ea3o nh\u1ecf s\u1ebd hi\u1ec7n ra \u0111\u1ec3 b\u1ea1n nh\u1eadp m\u00e3 CSS. Sau khi ho\u00e0n t\u1ea5t, h\u00e3y nh\u1ea5n <strong>\u0110\u0103ng (Publish)<\/strong> \u0111\u1ec3 \u00e1p d\u1ee5ng.<\/p>\n<h4>S\u1eed d\u1ee5ng plugin h\u1ed7 tr\u1ee3 (V\u00ed d\u1ee5: CSS Hero)<\/h4>\n<p>N\u1ebfu kh\u00f4ng mu\u1ed1n thao t\u00e1c tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c d\u00f2ng code, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf tr\u1ef1c quan nh\u01b0 CSS Hero. C\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p thay \u0111\u1ed5i giao di\u1ec7n th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n k\u00e9o th\u1ea3, t\u1ef1 \u0111\u1ed9ng t\u1ea1o ra file CSS b\u1ed5 sung m\u00e0 kh\u00f4ng can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o file g\u1ed1c c\u1ee7a giao di\u1ec7n, gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro l\u1ed7i hi\u1ec3n th\u1ecb.<\/p>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a CSS Hero bao g\u1ed3m h\u1ed7 tr\u1ee3 th\u01b0 vi\u1ec7n Google Fonts, l\u01b0u tr\u1eef l\u1ecbch s\u1eed c\u00e1c phi\u00ean b\u1ea3n ch\u1ec9nh s\u1eeda v\u00e0 giao di\u1ec7n tr\u1ef1c quan tr\u1ef1c ti\u1ebfp (Live preview) trong qu\u00e1 tr\u00ecnh thao t\u00e1c.<\/p>\n<h2 id=\"section3\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">3. H\u01b0\u1edbng D\u1eabn Th\u00eam JS V\u00e0o WP V\u00e0 S\u1eeda Header Footer An To\u00e0n<\/h2>\n<p style=\"text-align: justify;\">Vi\u1ec7c th\u00eam js v\u00e0o wp th\u01b0\u1eddng ph\u00e1t sinh khi b\u1ea1n ch\u1ea1y c\u00e1c chi\u1ebfn d\u1ecbch Marketing c\u1ea7n g\u1eafn m\u00e3 theo d\u00f5i c\u1ee7a b\u00ean th\u1ee9 ba nh\u01b0 Google Analytics (GA4), Facebook Pixel, TikTok Pixel ho\u1eb7c c\u00e1c script Live Chat.<\/p>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n m\u1edf file <code>header.php<\/code> ho\u1eb7c <code>footer.php<\/code> v\u00e0 d\u00e1n c\u1ee9ng m\u00e3 script v\u00e0o \u0111\u00f3, r\u1ee7i ro c\u00fa ph\u00e1p l\u00e0m v\u1ee1 b\u1ed1 c\u1ee5c HTML l\u00e0 r\u1ea5t cao. Thay v\u00e0o \u0111\u00f3, h\u00e3y d\u00f9ng m\u1ed9t plugin ti\u00eam m\u00e3. Khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng plugin <strong>WPCode \u2013 Insert Headers and Footers<\/strong>.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin-top: 20px; margin-bottom: 30px; font-size: 15px;\">\n<thead>\n<tr style=\"background-color: #1e3a8a; color: white;\">\n<th style=\"padding: 12px; border: 1px solid #BFDBFE; text-align: left;\">Khu v\u1ef1c ch\u00e8n m\u00e3<\/th>\n<th style=\"padding: 12px; border: 1px solid #BFDBFE; text-align: left;\">Lo\u1ea1i m\u00e3 ph\u00f9 h\u1ee3p (JS\/HTML)<\/th>\n<th style=\"padding: 12px; border: 1px solid #BFDBFE; text-align: left;\">C\u1ea3nh b\u00e1o k\u1ef9 thu\u1eadt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB; font-weight: bold;\">Header (Tr\u01b0\u1edbc th\u1ebb &lt;\/head&gt;)<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Google Analytics, Facebook Pixel, th\u1ebb Meta x\u00e1c minh Google Search Console.<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Ch\u1ec9 ch\u00e8n m\u00e3 nh\u1eb9. M\u00e3 JS n\u1eb7ng \u1edf \u0111\u00e2y s\u1ebd l\u00e0m ch\u1eadm th\u1eddi gian t\u1ea3i n\u1ed9i dung ch\u00ednh (Render-blocking).<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px; border: 1px solid #E5E7EB; font-weight: bold;\">Body (Ngay sau th\u1ebb &lt;body&gt;)<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">M\u00e3 Google Tag Manager (GTM) ph\u1ea7n noscript.<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Ph\u1ea3i khai b\u00e1o chu\u1ea9n x\u00e1c th\u1ebb m\u1edf v\u00e0 \u0111\u00f3ng HTML \u0111\u1ec3 kh\u00f4ng g\u00e2y l\u1ed7i c\u00e2y DOM.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB; font-weight: bold;\">Footer (Tr\u01b0\u1edbc th\u1ebb &lt;\/body&gt;)<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">Script Live Chat (Tawk.to, Zalo), hi\u1ec7u \u1ee9ng Animation, m\u00e3 Tracking kh\u00f4ng \u01b0u ti\u00ean.<\/td>\n<td style=\"padding: 12px; border: 1px solid #E5E7EB;\">V\u1ecb tr\u00ed t\u1ed1i \u01b0u nh\u1ea5t cho JS v\u00ec kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 load h\u00ecnh \u1ea3nh v\u00e0 text c\u1ee7a website.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">Khi b\u1ea1n s\u1eeda header footer qua plugin WPCode, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng hook (m\u00f3c n\u1ed1i) \u0111o\u1ea1n m\u00e3 c\u1ee7a b\u1ea1n v\u00e0o c\u00e1c h\u00e0m <code>wp_head()<\/code> v\u00e0 <code>wp_footer()<\/code> do WordPress qu\u1ea3n l\u00fd. Vi\u1ec7c n\u00e0y ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp v\u1edbi t\u1ec7p tin Theme.<\/p>\n<h2 id=\"section4\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">4. Th\u1ee7 Thu\u1eadt S\u1eeda Code WordPress B\u1eb1ng C\u00e1ch Edit Functions.php<\/h2>\n<p style=\"text-align: justify;\">File <code>functions.php<\/code> \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 b\u1ed9 n\u00e3o \u0111i\u1ec1u khi\u1ec3n c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung c\u1ee7a h\u1ec7 th\u1ed1ng php wordpress. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng file n\u00e0y \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a thanh c\u00f4ng c\u1ee5 admin, t\u1ea1o custom post type, ho\u1eb7c thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0i \u0111o\u1ea1n tr\u00edch (excerpt).<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 edit functions.php an to\u00e0n m\u00e0 kh\u00f4ng ph\u1ea3i t\u1ea1o Child Theme ph\u1ee9c t\u1ea1p, gi\u1edbi k\u1ef9 thu\u1eadt th\u01b0\u1eddng s\u1eed d\u1ee5ng plugin th\u00eam code nh\u01b0 <strong>Code Snippets<\/strong>. C\u00f4ng c\u1ee5 n\u00e0y x\u1eed l\u00fd m\u00e3 PHP gi\u1ed1ng nh\u01b0 c\u00e1ch b\u1ea1n \u0111\u0103ng m\u1ed9t b\u00e0i vi\u1ebft m\u1edbi, m\u1ed7i \u0111o\u1ea1n m\u00e3 l\u00e0 m\u1ed9t t\u1ec7p ri\u00eang bi\u1ec7t, c\u00f3 c\u00f4ng t\u1eafc b\u1eadt\/t\u1eaft r\u00f5 r\u00e0ng.<\/p>\n<p style=\"text-align: justify;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 th\u00eam \u0111o\u1ea1n m\u00e3 PHP \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ed1 phi\u00ean b\u1ea3n WordPress kh\u1ecfi m\u00e3 ngu\u1ed3n HTML (gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, tr\u00e1nh b\u1ecb hacker r\u00e0 qu\u00e9t l\u1ed7 h\u1ed5ng theo phi\u00ean b\u1ea3n):<\/p>\n<pre>function interdata_remove_wp_version() {\r\nreturn '';\r\n}\r\nadd_filter('the_generator', 'interdata_remove_wp_version');<\/pre>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n vi\u1ebft sai c\u00fa ph\u00e1p (thi\u1ebfu d\u1ea5u ch\u1ea5m ph\u1ea9y, \u0111\u00f3ng ngo\u1eb7c sai) trong giao di\u1ec7n c\u1ee7a Code Snippets, plugin s\u1ebd t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n L\u1ed7i Fatal (Fatal Error) v\u00e0 t\u1eeb ch\u1ed1i k\u00edch ho\u1ea1t \u0111o\u1ea1n m\u00e3 \u0111\u00f3, gi\u00fap website c\u1ee7a b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng t\u00ea li\u1ec7t.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">Cloud Server<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">M\u1edf R\u1ed9ng Linh Ho\u1ea1t \u2022 Ph\u00f9 H\u1ee3p Web Ch\u1ea1y Truy V\u1ea5n N\u1eb7ng \u2022 Uptime Cao<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">N\u00e2ng C\u1ea5p H\u1ea1 T\u1ea7ng Khi \u1ee8ng D\u1ee5ng Ch\u1ee9a Nhi\u1ec1u Custom Code Ph\u1ee9c T\u1ea1p<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">Khi b\u1ea1n can thi\u1ec7p qu\u00e1 nhi\u1ec1u v\u00e0o functions.php \u0111\u1ec3 t\u1ea1o ra c\u00e1c truy v\u1ea5n v\u00f2ng l\u1eb7p t\u00f9y ch\u1ec9nh (Custom Query Loops) l\u1ea5y d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m, b\u00e0i vi\u1ebft li\u00ean quan, l\u01b0\u1ee3ng t\u00e0i nguy\u00ean RAM v\u00e0 CPU ti\u00eau th\u1ee5 s\u1ebd t\u0103ng v\u1ecdt so v\u1edbi c\u1ea5u h\u00ecnh m\u1eb7c \u0111\u1ecbnh. \u0110\u1ed1i v\u1edbi c\u00e1c website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c tin t\u1ee9c l\u1edbn, m\u1ed9t h\u1ec7 th\u1ed1ng Cloud Server cung c\u1ea5p kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng c\u1ea5p ph\u00e1t t\u00e0i nguy\u00ean m\u1ea1nh m\u1ebd, \u0111\u1ea3m b\u1ea3o c\u00e1c h\u00e0m PHP t\u1ef1 vi\u1ebft \u0111\u01b0\u1ee3c th\u1ef1c thi t\u1ee9c th\u00ec m\u00e0 kh\u00f4ng g\u00e2y ra t\u00ecnh tr\u1ea1ng th\u1eaft c\u1ed5 chai database.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/cloud-server\/\" target=\"_blank\" rel=\"noopener\">T\u00ecm Hi\u1ec3u Cloud Server \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section5\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">5. Kh\u1eafc Ph\u1ee5c Nhanh L\u1ed7i Tr\u1eafng Trang WP Khi Xung \u0110\u1ed9t Code<\/h2>\n<p style=\"text-align: justify;\">Trong qu\u00e1 tr\u00ecnh thao t\u00e1c s\u1eeda code wordpress tr\u1ef1c ti\u1ebfp (\u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1ec7p PHP), ch\u1ec9 m\u1ed9t d\u1ea5u ph\u1ea9y th\u1eeba c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i tr\u1eafng trang wp (White Screen of Death &#8211; WSOD) ho\u1eb7c l\u1ed7i HTTP 500 Internal Server Error. L\u00fac n\u00e0y, b\u1ea1n s\u1ebd b\u1ecb kh\u00f3a quy\u1ec1n truy c\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb (wp-admin). \u0110\u1ec3 x\u1eed l\u00fd, b\u1ea1n ph\u1ea3i thao t\u00e1c \u1edf t\u1ea7ng h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7.<\/p>\n<h3 style=\"color: #2563eb; font-size: 20px; margin-top: 25px; margin-bottom: 15px;\">B\u01b0\u1edbc 1: B\u1eadt ch\u1ebf \u0111\u1ed9 Debug \u0111\u1ec3 xem chi ti\u1ebft l\u1ed7i<\/h3>\n<p style=\"text-align: justify;\">Truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 qua giao th\u1ee9c SFTP (d\u00f9ng FileZilla) ho\u1eb7c SSH. M\u1edf file <code>wp-config.php<\/code> n\u1eb1m \u1edf th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a website. T\u00ecm d\u00f2ng m\u00e3 <code>define( 'WP_DEBUG', false );<\/code> v\u00e0 thay \u0111\u1ed5i n\u00f3 th\u00e0nh c\u1ea5u h\u00ecnh sau:<\/p>\n<pre>define( 'WP_DEBUG', true );\r\ndefine( 'WP_DEBUG_LOG', true );\r\ndefine( 'WP_DEBUG_DISPLAY', false );<\/pre>\n<p style=\"text-align: justify;\">T\u1ea3i l\u1ea1i trang web. L\u00fac n\u00e0y, m\u1ed9t file <code>debug.log<\/code> s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra trong th\u01b0 m\u1ee5c <code>wp-content<\/code>. M\u1edf file n\u00e0y l\u00ean, b\u1ea1n s\u1ebd th\u1ea5y th\u00f4ng b\u00e1o ch\u1ec9 \u0111\u00edch danh t\u1ec7p tin v\u00e0 s\u1ed1 d\u00f2ng \u0111ang g\u00e2y ra l\u1ed7i Fatal Error.<\/p>\n<h3 style=\"color: #2563eb; font-size: 20px; margin-top: 25px; margin-bottom: 15px;\">B\u01b0\u1edbc 2: V\u00f4 hi\u1ec7u h\u00f3a Plugin\/Theme g\u00e2y l\u1ed7i<\/h3>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">N\u1ebfu l\u1ed7i do plugin ti\u00eam code g\u00e2y ra: Chuy\u1ec3n \u0111\u1ebfn th\u01b0 m\u1ee5c <code>wp-content\/plugins\/<\/code>, t\u00ecm th\u01b0 m\u1ee5c ch\u1ee9a plugin \u0111\u00f3 (v\u00ed d\u1ee5: <code>code-snippets<\/code>) v\u00e0 \u0111\u1ed5i t\u00ean n\u00f3 th\u00e0nh <code>code-snippets-disabled<\/code>. WordPress s\u1ebd l\u1eadp t\u1ee9c v\u00f4 hi\u1ec7u h\u00f3a plugin n\u00e0y v\u00e0 website s\u1ebd ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i.<\/li>\n<li style=\"margin-bottom: 10px;\">N\u1ebfu l\u1ed7i do b\u1ea1n s\u1eeda tr\u1ef1c ti\u1ebfp v\u00e0o Theme: T\u1ea3i file g\u1ed1c c\u1ee7a Theme v\u1ec1 m\u00e1y t\u00ednh, t\u00ecm \u0111\u1ebfn file b\u1ecb l\u1ed7i v\u00e0 ghi \u0111\u00e8 l\u1ea1i l\u00ean m\u00e1y ch\u1ee7 th\u00f4ng qua SFTP.<\/li>\n<\/ul>\n<h2 id=\"section6\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">6. Quy\u1ec1n Qu\u1ea3n Tr\u1ecb Server \u1ea2nh H\u01b0\u1edfng Th\u1ebf N\u00e0o \u0110\u1ebfn Qu\u00e1 Tr\u00ecnh Vi\u1ebft Code?<\/h2>\n<p style=\"text-align: justify;\">C\u00e1c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef chia s\u1ebb th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u1ea5p quy\u1ec1n cho b\u1ea1n thay \u0111\u1ed5i c\u1ea5u h\u00ecnh l\u00f5i c\u1ee7a tr\u00ecnh th\u00f4ng d\u1ecbch PHP. Khi b\u1ea1n ch\u1ea1y c\u00e1c \u0111o\u1ea1n m\u00e3 PHP n\u1eb7ng (nh\u01b0 Import d\u1eef li\u1ec7u l\u1edbn, cronjob ph\u1ee9c t\u1ea1p), b\u1ea1n s\u1ebd d\u1ec5 g\u1eb7p l\u1ed7i <code>Memory Exhausted<\/code> ho\u1eb7c <code>Maximum Execution Time Exceeded<\/code>.<\/p>\n<p style=\"text-align: justify;\">Khi b\u1ea1n v\u1eadn h\u00e0nh tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o \u0111\u1ed9c l\u1eadp (VPS), b\u1ea1n n\u1eafm gi\u1eef quy\u1ec1n Root. B\u1ea1n d\u1ec5 d\u00e0ng SSH v\u00e0o h\u1ec7 th\u1ed1ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 trong file <code>php.ini<\/code> nh\u01b0 sau:<\/p>\n<pre>memory_limit = 512M\r\nmax_execution_time = 300\r\npost_max_size = 128M<\/pre>\n<p style=\"text-align: justify;\">Sau khi s\u1eeda xong, b\u1ea1n ch\u1ec9 c\u1ea7n ch\u1ea1y l\u1ec7nh kh\u1edfi \u0111\u1ed9ng l\u1ea1i service (v\u00ed d\u1ee5 \u0111\u1ed1i v\u1edbi PHP 8.1 FPM tr\u00ean Ubuntu\/Debian): <code>systemctl restart php8.1-fpm<\/code>. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa m\u00e3 ngu\u1ed3n \u1ee9ng d\u1ee5ng (WordPress) v\u00e0 m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi (Web Server) ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng website b\u1ec1n v\u1eefng v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2 id=\"section7\" style=\"color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">7. C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ) V\u1ec1 Can Thi\u1ec7p M\u00e3 Ngu\u1ed3n Website<\/h2>\n<p style=\"text-align: justify;\"><strong>L\u00e0m sao \u0111\u1ec3 sao l\u01b0u an to\u00e0n tr\u01b0\u1edbc khi ch\u1ec9nh s\u1eeda code?<\/strong><\/p>\n<p style=\"text-align: justify;\">B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng plugin UpdraftPlus \u0111\u1ec3 t\u1ea1o b\u1ea3n sao l\u01b0u th\u01b0 m\u1ee5c Theme v\u00e0 Database. Tuy nhi\u00ean, c\u00e1ch an to\u00e0n nh\u1ea5t \u0111\u1ed1i v\u1edbi Sysadmin l\u00e0 t\u1ea1o m\u1ed9t b\u1ea3n Snapshot to\u00e0n b\u1ed9 m\u00e1y ch\u1ee7 (n\u1ebfu d\u00f9ng VPS\/Cloud) tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i c\u1ed1t l\u00f5i. N\u1ebfu l\u1ed7i x\u1ea3y ra, ch\u1ec9 c\u1ea7n 1 click \u0111\u1ec3 kh\u00f4i ph\u1ee5c to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p style=\"text-align: justify;\"><strong>C\u00f3 n\u00ean d\u00f9ng ch\u1ee9c n\u0103ng Theme File Editor c\u00f3 s\u1eb5n trong WP-Admin kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align: justify;\">Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean. Vi\u1ec7c ch\u1ec9nh s\u1eeda t\u1ec7p tin qua giao di\u1ec7n web kh\u00f4ng cung c\u1ea5p t\u00ednh n\u0103ng ho\u00e0n t\u00e1c (Undo) v\u00e0 r\u1ea5t d\u1ec5 x\u1ea3y ra l\u1ed7i n\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng b\u1ecb gi\u00e1n \u0111o\u1ea1n l\u00fac \u0111ang l\u01b0u. B\u1ea1n n\u00ean t\u1ea3i t\u1ec7p v\u1ec1, ch\u1ec9nh s\u1eeda b\u1eb1ng code editor chuy\u00ean d\u1ee5ng (nh\u01b0 VS Code) r\u1ed3i upload l\u00ean qua SFTP.<\/p>\n<p style=\"text-align: justify;\"><strong>N\u00ean d\u00f9ng Child Theme hay Plugin Code Snippets?<\/strong><\/p>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n c\u1ea7n ghi \u0111\u00e8 c\u00e1c file template c\u1ea5u tr\u00fac (nh\u01b0 <code>single.php<\/code>, <code>page.php<\/code>), b\u1ea1n bu\u1ed9c ph\u1ea3i d\u00f9ng Child Theme. N\u1ebfu b\u1ea1n ch\u1ec9 mu\u1ed1n th\u00eam m\u00e3 CSS nh\u1ecf, m\u00f3c n\u1ed1i h\u00e0m (hook) v\u00e0o <code>functions.php<\/code> ho\u1eb7c th\u00eam tracking code, d\u00f9ng plugin Code Snippets s\u1ebd d\u1ec5 qu\u1ea3n l\u00fd v\u00e0 b\u1eadt\/t\u1eaft linh ho\u1ea1t h\u01a1n.<\/p>\n<p style=\"text-align: justify;\"><strong>T\u1ea1i sao t\u00f4i \u0111\u00e3 l\u01b0u m\u00e3 CSS m\u1edbi nh\u01b0ng website kh\u00f4ng thay \u0111\u1ed5i?<\/strong><\/p>\n<p style=\"text-align: justify;\">V\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng do b\u1ed9 nh\u1edb \u0111\u1ec7m (Cache). B\u1ea1n c\u1ea7n x\u00f3a cache c\u1ee7a tr\u00ecnh duy\u1ec7t (Ctrl + F5), x\u00f3a cache c\u1ee7a plugin t\u1ed1i \u01b0u h\u00f3a (nh\u01b0 LiteSpeed Cache, W3 Total Cache) v\u00e0 Purge Cache tr\u00ean h\u1ec7 th\u1ed1ng CDN (nh\u01b0 Cloudflare) n\u1ebfu c\u00f3 s\u1eed d\u1ee5ng.<\/p>\n<p style=\"text-align: justify;\"><strong>Th\u00eam nhi\u1ec1u \u0111o\u1ea1n m\u00e3 t\u00f9y ch\u1ec9nh c\u00f3 l\u00e0m ch\u1eadm website kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align: justify;\">\u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng m\u00e3. M\u00e3 CSS v\u00e0 HTML t\u0129nh g\u1ea7n nh\u01b0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n vi\u1ebft c\u00e1c h\u00e0m PHP g\u1ecdi truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u (Database Query) li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf Object Caching (nh\u01b0 Redis\/Memcached), n\u00f3 s\u1ebd l\u00e0m t\u0103ng th\u1eddi gian ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 (TTFB) \u0111\u00e1ng k\u1ec3.<\/p>\n<div style=\"border-top: 2px dashed #BFDBFE; margin-top: 50px; padding-top: 30px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 22px; font-weight: bold; margin-bottom: 15px;\">Nguy\u00ean T\u1eafc Cu\u1ed1i C\u00f9ng D\u00e0nh Cho C\u00e1c Qu\u1ea3n Tr\u1ecb Vi\u00ean<\/h3>\n<p style=\"text-align: justify;\">Hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0 ti\u1ec1n \u0111\u1ec1 \u0111\u1ec3 <strong>s\u1eeda code wordpress<\/strong> m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p. B\u1eb1ng vi\u1ec7c t\u1eeb b\u1ecf th\u00f3i quen can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e3 ngu\u1ed3n g\u1ed1c, chuy\u1ec3n sang \u1ee9ng d\u1ee5ng Child Theme, t\u1eadn d\u1ee5ng Plugin qu\u1ea3n l\u00fd Snippet v\u00e0 thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng g\u1ee1 l\u1ed7i (Debug) b\u00e0i b\u1ea3n, b\u1ea1n s\u1ebd lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n nguy c\u01a1 s\u1eadp web do thao t\u00e1c sai. Tuy nhi\u00ean, m\u1ed9t b\u1ed9 code ho\u00e0n h\u1ea3o v\u1eabn c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u1ef1c thi m\u1ea1nh m\u1ebd. H\u00e3y \u0111\u1ea3m b\u1ea3o h\u1ea1 t\u1ea7ng m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n \u0111\u1ee7 quy\u1ec1n h\u1ea1n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ecdi tinh ch\u1ec9nh k\u1ef9 thu\u1eadt.<\/p>\n<div style=\"background: #EFF6FF; border: 1px solid #2563EB; padding: 30px; margin-top: 25px; border-radius: 12px; text-align: center;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 20px; font-weight: bold; color: #1e3a8a; margin-top: 0;\">L\u00e0m ch\u1ee7 ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng website c\u1ee7a b\u1ea1n<\/p>\n<p style=\"font-size: 15px; margin-bottom: 20px; color: #4b5563;\">Chuy\u1ec3n \u0111\u1ed5i sang m\u00f4i tr\u01b0\u1eddng VPS \u0111\u1ed9c l\u1eadp \u0111\u1ec3 t\u1ef1 do can thi\u1ec7p th\u00f4ng s\u1ed1 PHP, c\u00e0i \u0111\u1eb7t d\u1ecbch v\u1ee5 v\u00e0 t\u1ed1i \u01b0u h\u00f3a code theo \u0111\u00fang \u00fd \u0111\u1ed3 c\u1ee7a b\u1ea1n.<\/p>\n<p><a style=\"background: #2563EB; color: #ffffff; padding: 12px 30px; text-decoration: none; font-weight: 600; border-radius: 6px; display: inline-block;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Kh\u1edfi T\u1ea1o M\u00e1y Ch\u1ee7 VPS Ngay \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p style=\"text-align: justify; font-size: 13px; font-style: italic; color: #6b7280; margin-top: 30px; border-top: 1px solid #E5E7EB; padding-top: 15px;\"><span style=\"font-size: 100%;\"><em>L\u01b0u \u00fd t\u1eeb b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt: C\u00e1c th\u00f4ng s\u1ed1 c\u1ea5u h\u00ecnh, \u0111o\u1ea1n m\u00e3 l\u1ec7nh PHP\/CSS v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd l\u1ed7i trong b\u00e0i vi\u1ebft mang t\u00ednh ch\u1ea5t tham kh\u1ea3o d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng web server ti\u00eau chu\u1ea9n (Nginx\/Apache\/OpenLiteSpeed). C\u00fa ph\u00e1p th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o phi\u00ean b\u1ea3n m\u00e3 ngu\u1ed3n WordPress, lo\u1ea1i Theme b\u1ea1n \u0111ang s\u1eed d\u1ee5ng v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00e1y ch\u1ee7. Ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb ph\u1ea3i lu\u00f4n th\u1ef1c hi\u1ec7n sao l\u01b0u (backup) to\u00e0n b\u1ed9 m\u00e3 ngu\u1ed3n v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ed3ng th\u1eddi ki\u1ec3m th\u1eed tr\u00ean m\u00f4i tr\u01b0\u1eddng gi\u1ea3 l\u1eadp (staging) tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng c\u1ea5u h\u00ecnh ch\u00ednh th\u1ee9c (production) \u0111\u1ec3 ph\u00f2ng tr\u00e1nh r\u1ee7i ro gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5.<\/em><\/span><\/p>\n\n\n<style>\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--border:#d8e6fb;--bg:#f3f8ff;container-type:inline-size;background:var(--bg);padding:14px 12px;overflow:hidden}\n.interdata-carousel-heading{color:#003fbd;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 0 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card,.interdata-plan-card *{box-sizing:border-box}\n.interdata-plan-card{flex:0 0 calc(25% - 9px);min-width:205px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 14px 14px;min-height:382px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:0 5px 14px rgba(0,62,145,.08)}\n.interdata-plan-title{color:var(--blue-dark);font-size:17px;line-height:1.25;font-weight:800;text-align:center;margin:0 0 8px}\n.interdata-plan-price{color:var(--blue-dark);font-size:32px;line-height:1;font-weight:900;text-align:center;margin-bottom:14px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:12px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:8px 10px;font-size:10px;line-height:1;font-weight:800;margin-bottom:18px;white-space:nowrap}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:8px;align-items:flex-start;color:var(--text);font-size:13px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 11px!important;padding:0!important}\n.interdata-plan-icon{width:15px;min-width:15px;height:15px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:44px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:14px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background .2s ease}\n.interdata-plan-button:hover{background:var(--blue-dark);color:#fff!important;transform:translateY(-1px)}\n@container (max-width:860px){.interdata-plan-card{flex-basis:calc(33.333% - 8px);min-width:205px}}\n@container (max-width:640px){.interdata-plan-card{flex-basis:calc(50% - 7px);min-width:215px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 10px}.interdata-carousel-heading{font-size:16px}.interdata-plan-card{flex-basis:86%;min-width:235px}.interdata-plan-price{font-size:31px}}\n@media (max-width:360px){.interdata-plan-card{flex-basis:90%;min-width:220px}.interdata-plan-price{font-size:29px}.interdata-plan-badge{font-size:9px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\">\n  <div class=\"interdata-carousel-heading\"><span style=\"font-family: Roboto, sans-serif; color: red;\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/span><\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <div class=\"interdata-plan-track\">\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">299K<span>\/3 Th\u00e1ng<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCore Intel Xeon Scalable<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/best-value-plans-2026\/best-value-plans-premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Pro<\/h3>\n      <div class=\"interdata-plan-price\">2.599K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>6 vCore Intel Xeon Scalable<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>8 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>80 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 350 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-pro\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n      <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80 GB S3 v\u00e0 1 N\u0102M S\u1eec D\u1ee4NG khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD EPYC<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10 Gbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n  <\/div>\n<\/div>\n\n\t<div id=\"gap-1967704460\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1967704460 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c s\u1eeda code wordpress l\u00e0 k\u1ef9 n\u0103ng b\u1eaft bu\u1ed9c khi b\u1ea1n mu\u1ed1n ch\u00e8n m\u00e3 theo d\u00f5i, t\u1ed1i \u01b0u h\u00f3a t\u1ed1c \u0111\u1ed9 t\u1ea3i trang ho\u1eb7c t\u00f9y ch\u1ec9nh giao di\u1ec7n m\u00e0 ph\u1ea7n c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh c\u1ee7a Theme kh\u00f4ng h\u1ed7 tr\u1ee3. Tuy nhi\u00ean, n\u1ebfu thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean c\u00e1c t\u1ec7p l\u00f5i m\u00e0 thi\u1ebfu ki\u1ebfn th\u1ee9c v\u1ec1<\/p>\n","protected":false},"author":11,"featured_media":42073,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[140],"tags":[],"class_list":["post-42064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lap-trinh"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/42064","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=42064"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/42064\/revisions"}],"predecessor-version":[{"id":42105,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/42064\/revisions\/42105"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/42073"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=42064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=42064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=42064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}