{"id":13632,"date":"2026-01-07T09:31:41","date_gmt":"2026-01-07T04:01:41","guid":{"rendered":"https:\/\/www.youstable.com\/blog\/?p=13632"},"modified":"2026-01-07T09:31:44","modified_gmt":"2026-01-07T04:01:44","slug":"fix-directadmin-on-linux","status":"publish","type":"post","link":"https:\/\/www.youstable.com\/blog\/fix-directadmin-on-linux","title":{"rendered":"How to Fix DirectAdmin on Linux Server Update or Reboot Issues"},"content":{"rendered":"\n<p><strong>To fix DirectAdmin on a Linux server,<\/strong> verify the service is running, confirm port 2222 is open, read logs for errors, and repair the web stack if needed. Start with systemctl and firewall checks, then rebuild configs via CustomBuild. Address SSL\/hostname, license, and time sync issues. Below is a step-by-step DirectAdmin troubleshooting guide.<\/p>\n\n\n\n<p>DirectAdmin is a lightweight, reliable hosting control panel, but misconfigurations, firewall rules, service conflicts, or expired licenses can cause downtime.<\/p>\n\n\n\n<p>This guide explains how to fix DirectAdmin on a Linux server quickly and safely, covering the most common root causes and the exact commands to bring your panel and websites back online.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"what-usually-breaks-directadmin\"><strong>What Usually Breaks DirectAdmin?<\/strong><\/h2>\n\n\n\n<p>From real-world experience across CentOS, AlmaLinux, Rocky Linux, Debian, and Ubuntu, DirectAdmin problems typically trace to:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1168\" height=\"784\" src=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Usually-Breaks-DirectAdmin-1.png\" alt=\"Fix DirectAdmin on Linux Server\" class=\"wp-image-14111\" srcset=\"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Usually-Breaks-DirectAdmin-1.png 1168w, https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/What-Usually-Breaks-DirectAdmin-1-150x101.png 150w\" sizes=\"auto, (max-width: 1168px) 100vw, 1168px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Service down or port conflict on 2222<\/li>\n\n\n\n<li>Firewall or cloud security groups blocking access<\/li>\n\n\n\n<li>Corrupted configs after upgrades or manual edits<\/li>\n\n\n\n<li>SSL\/hostname mismatch causing browser errors<\/li>\n\n\n\n<li>License invalid or system time skewed<\/li>\n\n\n\n<li>Disk space or inode exhaustion<\/li>\n\n\n\n<li>Web stack (Nginx\/Apache, PHP-FPM) or mail stack (Exim\/Dovecot) failures<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"quick-diagnosis-checklist-5-minutes\"><strong>Quick Diagnosis Checklist (5 Minutes)<\/strong><\/h2>\n\n\n\n<p>Run these fast checks first. They narrow the issue before you make changes:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># 1) Is DirectAdmin running?\nsystemctl status directadmin --no-pager\n\n# 2) Is DA listening on port 2222?\nss -ltnp | grep :2222\n\n# 3) Any obvious DA errors?\ntail -n 100 \/var\/log\/directadmin\/error.log\n\n# 4) Firewall\/NAT problem?\nfirewall-cmd --state 2&gt;\/dev\/null || ufw status 2&gt;\/dev\/null || csf -l 2&gt;\/dev\/null\n# Also check your cloud provider's security group\/NAT settings.\n\n# 5) Disk full?\ndf -h; df -i\n\n# 6) Time &amp; DNS resolvers?\ntimedatectl status; cat \/etc\/resolv.conf<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-1-bring-back-the-directadmin-service\"><strong>Fix 1: Bring Back the DirectAdmin Service<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"restart-the-service-and-read-the-logs\"><strong>Restart the Service and Read the Logs<\/strong><\/h3>\n\n\n\n<p>If DirectAdmin isn\u2019t accessible at https:\/\/your-hostname:2222, restart the service and immediately read logs for clues. This is core to DirectAdmin troubleshooting.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart directadmin\njournalctl -u directadmin -n 200 --no-pager\ntail -n 200 \/var\/log\/directadmin\/error.log<\/code><\/pre>\n\n\n\n<p>Common errors include permission problems, port binding failures, or <a href=\"https:\/\/www.youstable.com\/blog\/activate-an-ssl-certificate\/\">SSL certificate<\/a> load errors. Fix the underlying issue and restart again.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"free-the-port-or-change-it-port-2222\"><strong>Free the Port or Change It (Port 2222)<\/strong><\/h3>\n\n\n\n<p>If another process is using port 2222, DA won\u2019t start. Identify and stop the conflicting service or change DA\u2019s port.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Find the process using 2222\nss -ltnp | grep :2222\n# or\nlsof -i :2222\n\n# Stop the conflicting service (example)\nsystemctl stop &lt;service-name&gt;\n\n# Change DirectAdmin port (if needed)\ngrep -i '^port=' \/usr\/local\/directadmin\/conf\/directadmin.conf\n# Edit the config:\nnano \/usr\/local\/directadmin\/conf\/directadmin.conf\n# Set, for example: port=2443\n\nsystemctl restart directadmin<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-permissions-quickly\"><strong>Fix Permissions Quickly<\/strong><\/h3>\n\n\n\n<p>Incorrect permissions after manual changes or restores can break DA. Use CustomBuild\u2019s permission fixer.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/usr\/local\/directadmin\/custombuild\n.\/build update\n.\/build set_permissions\nsystemctl restart directadmin<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-2-open-the-right-ports-firewall-and-cloud\"><strong>Fix 2: Open the Right Ports (Firewall and Cloud)<\/strong><\/h2>\n\n\n\n<p>DirectAdmin requires several ports. At minimum, ensure 2222 (panel), 80\/443 (web), and your mail ports are open. Also verify your cloud security group or provider firewall isn\u2019t blocking them.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Panel: <\/strong>2222\/tcp<\/li>\n\n\n\n<li><strong>Web:<\/strong> 80\/tcp, 443\/tcp<\/li>\n\n\n\n<li><strong>Mail: <\/strong>25, 465, 587\/tcp (SMTP), 110\/tcp (POP3), 143\/tcp (IMAP), 993\/995 (secure POP\/IMAP)<\/li>\n\n\n\n<li><strong>DNS (if running):<\/strong> 53\/tcp and 53\/udp<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"firewalld-centos-almalinux-rocky\"><strong>firewalld (CentOS\/AlmaLinux\/Rocky)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>firewall-cmd --permanent --add-port=2222\/tcp\nfirewall-cmd --permanent --add-service=http\nfirewall-cmd --permanent --add-service=https\nfirewall-cmd --reload\nfirewall-cmd --list-all<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"ufw-ubuntu-debian\"><strong>UFW (Ubuntu\/Debian)<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ufw allow 2222\/tcp\nufw allow http\nufw allow https\nufw reload\nufw status<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"csf-lfd-if-installed\"><strong>CSF\/LFD (if installed)<\/strong><\/h3>\n\n\n\n<p>CSF\/LFD is common on <a href=\"https:\/\/www.youstable.com\/blog\/secure-dedicated-server\/\">hosting servers<\/a>. Verify it isn\u2019t blocking you.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Check if your IP is blocked\ncsf -g &lt;your-public-ip&gt;\n\n# Temporarily allow your IP\ncsf -a &lt;your-public-ip&gt;\ncsf -r<\/code><\/pre>\n\n\n\n<p>Also open required ports in <a href=\"https:\/\/www.youstable.com\/blog\/configure-csf-firewall-on-linux\/\">CSF\u2019s configuration<\/a> file if necessary (usually at \/etc\/csf\/csf.conf) and reload CSF.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"cloud-security-groups-and-nat\"><strong>Cloud Security Groups and NAT<\/strong><\/h3>\n\n\n\n<p>On AWS, GCP, Azure, or other clouds, allow inbound TCP 2222, 80, and 443 in the instance security group\/firewall. If you\u2019re behind NAT, forward external 2222 to the internal server IP.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-3-repair-the-web-stack-nginx-apache-php-fpm\"><strong>Fix 3: Repair the Web Stack (Nginx\/Apache, PHP-FPM)<\/strong><\/h2>\n\n\n\n<p>DirectAdmin can be up, but sites show 403\/500 errors. That\u2019s typically Nginx\/Apache or PHP-FPM. Rebuild configs and restart.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># On RHEL family\nsystemctl restart nginx 2&gt;\/dev\/null || systemctl restart httpd\nsystemctl restart php-fpm 2&gt;\/dev\/null || true\n\n# On Debian\/Ubuntu\nsystemctl restart nginx 2&gt;\/dev\/null || systemctl restart apache2\nsystemctl restart php*-fpm 2&gt;\/dev\/null || true<\/code><\/pre>\n\n\n\n<p>Then rewrite configs using CustomBuild:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/usr\/local\/directadmin\/custombuild\n.\/build update\n.\/build rewrite_confs\n.\/build php n  # rebuild PHP handlers (non-interactive)\n.\/build nginx_apache 2&gt;\/dev\/null || .\/build apache\nsystemctl restart directadmin<\/code><\/pre>\n\n\n\n<p>If you run multiple <a href=\"https:\/\/www.youstable.com\/blog\/how-to-change-php-version-in-cpanel\/\">PHP versions<\/a>, ensure the correct PHP-FPM services are running and not failing due to memory limits. Increase memory or process managers as needed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-4-ssl-and-hostname-problems-on-2222\"><strong>Fix 4: SSL and Hostname Problems on :2222<\/strong><\/h2>\n\n\n\n<p>Browser warnings, failed handshakes, or redirects often come from an invalid hostname or expired SSL on the panel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"point-the-hostname-to-the-server\"><strong>Point the Hostname to the Server<\/strong><\/h3>\n\n\n\n<p>Use a fully qualified domain name (FQDN) such as server.example.com. Create an A record to your server\u2019s IP, verify <a href=\"https:\/\/www.youstable.com\/blog\/dns-propagation\/\">DNS propagation<\/a>, and ensure the system hostname matches.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Set hostname\nhostnamectl set-hostname server.example.com\n\n# Ensure \/etc\/hosts contains the mapping\necho \"&lt;server-ip&gt; server.example.com server\" &gt;&gt; \/etc\/hosts\n\n# Verify DNS resolution works\ndig +short server.example.com @8.8.8.8<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"regenerate-the-panel-ssl-certificate\"><strong>Regenerate the Panel SSL Certificate<\/strong><\/h3>\n\n\n\n<p>Once the hostname resolves correctly, issue or renew a valid certificate for the DirectAdmin panel. You can use the DirectAdmin interface to enable <a href=\"https:\/\/www.youstable.com\/blog\/what-is-lets-encrypt-on-linux-server\/\">Let\u2019s Encrypt for the server<\/a> hostname, or use your preferred ACME client to install a cert at the DirectAdmin paths. Restart DA after applying the new cert.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart directadmin\n# Test again:\ncurl -I https:\/\/server.example.com:2222<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-5-license-time-sync-and-dns-resolvers\"><strong>Fix 5: License, Time Sync, and DNS Resolvers<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"check-directadmin-license-status\"><strong>Check DirectAdmin License Status<\/strong><\/h3>\n\n\n\n<p>If you see \u201cLicense Invalid\/Expired\u201d in logs or the panel, confirm the server IP matches the licensed IP and the server date\/time is correct. Ensure the server can reach DirectAdmin licensing servers (no outbound firewall block, working DNS).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-time-and-resolvers\"><strong>Fix Time and Resolvers<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># Enable time sync\ntimedatectl set-ntp true\ntimedatectl status\n\n# Make sure resolvers are present (example)\ncat \/etc\/resolv.conf\n# If empty\/broken, add public resolvers temporarily\nprintf \"nameserver 1.1.1.1\\nnameserver 8.8.8.8\\n\" &gt; \/etc\/resolv.conf\n\n# Test DNS &amp; outbound\ncurl -s https:\/\/www.google.com &gt;\/dev\/null &amp;&amp; echo \"OK\"<\/code><\/pre>\n\n\n\n<p>Incorrect time or broken DNS can prevent license validation, Let\u2019s Encrypt issuance, and package updates.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"fix-6-disk-mail-and-database-side-effects\"><strong>Fix 6: Disk, Mail, and Database Side-Effects<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"free-disk-space-and-inodes\"><strong>Free Disk Space and Inodes<\/strong><\/h3>\n\n\n\n<p>Full disks stop services and corrupt writes. Clear logs, rotate journals, and delete old backups.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>df -h; df -i\njournalctl --vacuum-time=7d\nfind \/var\/log -type f -name \"*.log\" -size +200M -exec truncate -s 0 {} \\;\n# Remove or offload old backups in \/home\/*\/backups and \/backup<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"restart-mail-and-database-services\"><strong>Restart Mail and Database Services<\/strong><\/h3>\n\n\n\n<p>If email or sites misbehave after fixing DA, restart Exim\/Dovecot and MariaDB\/MySQL. Then rebuild mail configs if necessary.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart exim 2&gt;\/dev\/null || systemctl restart exim4\nsystemctl restart dovecot\nsystemctl restart mariadb 2&gt;\/dev\/null || systemctl restart mysql\n\ncd \/usr\/local\/directadmin\/custombuild\n.\/build exim\n.\/build dovecot\n.\/build rewrite_confs<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"safely-repair-or-update-directadmin-with-custombuild\"><strong>Safely Repair or Update DirectAdmin with CustomBuild<\/strong><\/h3>\n\n\n\n<p>CustomBuild is the supported way to repair services and keep stacks consistent. Avoid manual package mixing that causes dependency hell. Use these safe, high-impact commands:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/usr\/local\/directadmin\/custombuild\n.\/build update\n.\/build versions       # review pending upgrades\n.\/build rewrite_confs  # rebuild all service configs\n.\/build all d          # rebuild stack (non-interactive defaults)\n.\/build clean          # optional cleanup\nsystemctl restart directadmin<\/code><\/pre>\n\n\n\n<p>If a particular component is broken, target it specifically (e.g., .\/build nginx_apache, .\/build php n). Always back up configs and data before major upgrades.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"security-and-prevention-best-practices\"><strong>Security and Prevention Best Practices<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use a stable OS (AlmaLinux\/Rocky for RHEL-based, or recent Ubuntu LTS) and keep it patched.<\/li>\n\n\n\n<li>Enable automatic updates for critical security patches and monitor with alerts.<\/li>\n\n\n\n<li><strong>Lock panel access:<\/strong> restrict 2222 by IP, enable 2FA in DirectAdmin, and use strong passwords\/keys.<\/li>\n\n\n\n<li><strong>Backups:<\/strong> schedule offsite backups and test restores regularly.<\/li>\n\n\n\n<li><strong>Logging and monitoring:<\/strong> centralize logs and set up service health checks.<\/li>\n\n\n\n<li><strong>Change management:<\/strong> document changes; avoid editing configs directly unless necessary\u2014prefer CustomBuild.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"when-to-contact-support-and-how-youstable-helps\"><strong>When to Contact Support (and How YouStable Helps)<\/strong><\/h2>\n\n\n\n<p>If you\u2019ve run through the checks and DirectAdmin is still not working\u2014especially with license, panel SSL, or complex multi-PHP stacks\u2014open a support ticket with your <a href=\"https:\/\/www.youstable.com\/blog\/best-web-hosting-provider-in-india\/\">hosting provider<\/a> and include logs and recent changes.<\/p>\n\n\n\n<p>At YouStable, our managed VPS and Dedicated Servers ship with proactive monitoring, hardened firewalls, and DirectAdmin-optimized stacks. We handle stack rebuilds, SSL\/hostname fixes, and license validation so your panel stays online and fast. If you\u2019re migrating or recovering from a failed upgrade, our team can perform a zero-downtime cutover and post-migration tune-up.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"common-errors-and-quick-fixes\"><strong>Common Errors and Quick Fixes<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DirectAdmin not loading: <\/strong>Restart DA, open 2222\/tcp, check cloud firewall, verify hostname SSL.<\/li>\n\n\n\n<li><strong>502\/500 on sites:<\/strong> Restart Nginx\/Apache and PHP-FPM, run .\/build rewrite_confs and .\/build php n.<\/li>\n\n\n\n<li><strong>License error: <\/strong>Fix time sync and DNS, verify licensed IP, ensure outbound access.<\/li>\n\n\n\n<li><strong>FTP\/email failing: <\/strong>Rebuild and restart Exim\/Dovecot, open mail ports, check CSF blocks.<\/li>\n\n\n\n<li><strong>After reboot nothing works:<\/strong> Confirm services enabled, fix firewall, check disk usage and SELinux.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"faqs\">FAQ&#8217;s<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1765873449674\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"1-why-is-my-directadmin-port-2222-not-accessible\">1. <strong>Why is my DirectAdmin port 2222 not accessible?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Either the DirectAdmin service isn\u2019t running, the port is blocked by a firewall\/cloud security group, or another process is using 2222. Check systemctl status, open 2222\/tcp in firewalld\/UFW\/CSF, and use ss -ltnp to detect conflicts. Change the DA port in directadmin.conf if needed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765873466956\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"2-how-do-i-restart-and-check-directadmin-logs\">2. <strong>How do I restart and check DirectAdmin logs?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Use systemctl restart directadmin to restart. Then run journalctl -u directadmin -n 200 and tail -n 200 \/var\/log\/directadmin\/error.log to review recent errors. Fix the reported issue (permissions, SSL, port) and restart again.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765873481045\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"3-how-can-i-fix-500-403-errors-on-websites-after-a-directadmin-update\">3. <strong>How can I fix 500\/403 errors on websites after a DirectAdmin update?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Rebuild configs and PHP handlers with CustomBuild: .\/build update, .\/build rewrite_confs, .\/build php n, and restart Nginx\/Apache and PHP-FPM. Also check file permissions and the .htaccess rules if using Apache.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765873490568\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"4-what-should-i-do-if-the-directadmin-license-shows-as-invalid\">4. <strong>What should I do if the DirectAdmin license shows as invalid?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Verify the server\u2019s public IP matches the licensed IP, ensure system time is correct (timedatectl set-ntp true), and confirm DNS and outbound connectivity. Outbound or DNS issues can block license validation and updates.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1765873505712\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \" class=\"rank-math-question \" id=\"5-how-do-i-regenerate-the-ssl-certificate-for-the-directadmin-panel\">5. <strong>How do I regenerate the SSL certificate for the DirectAdmin panel?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Point your server hostname (e.g., server.example.com) to the server IP with a valid A record, enable or renew Let\u2019s Encrypt for the hostname in the DirectAdmin panel, and restart the DA service. Ensure ports 80\/443 are open for HTTP-01 validation.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>To fix DirectAdmin on a Linux server, verify the service is running, confirm port 2222 is open, read logs for [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":17153,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[350],"tags":[],"class_list":["post-13632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledgebase"],"acf":[],"featured_image_src":"https:\/\/www.youstable.com\/blog\/wp-content\/uploads\/2025\/12\/How-to-Fix-DirectAdmin-on-Linux-Server-Update-or-Reboot-Issues.jpg","author_info":{"display_name":"Sanjeet Chauhan","author_link":"https:\/\/www.youstable.com\/blog\/author\/sanjeet"},"_links":{"self":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/comments?post=13632"}],"version-history":[{"count":8,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13632\/revisions"}],"predecessor-version":[{"id":17155,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/posts\/13632\/revisions\/17155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media\/17153"}],"wp:attachment":[{"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/media?parent=13632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/categories?post=13632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youstable.com\/blog\/wp-json\/wp\/v2\/tags?post=13632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}