Step-by-step help for your hosting

• High CPU or RAM usage on a Linux VPS: find the cause and fix it

  Track down what is eating CPU or memory on your Linux VPS with top, ps and logs, then fix runaway PHP, MySQL, bots, Docker containers or a lack of swap.

  IntermediateLinux VPS2 min read

• How to read server logs to troubleshoot your website

  Where to find web, PHP, mail, database and system logs on cPanel hosting and a Linux VPS, and how to search them quickly to find the cause of an error.

  IntermediatecPanel hosting and Linux VPS2 min read

• Troubleshoot .htaccess problems: 500 errors, loops and ignored rules

  Find and fix broken .htaccess files on cPanel and LiteSpeed hosting: syntax 500 errors, redirect loops, rules that do nothing and conflicts between plugins.

  IntermediatecPanel hosting2 min read

• Common Docker errors and how to fix them

  A quick reference to the Docker and Docker Compose errors you meet most often on a VPS, what each one means and the command that fixes it.

  IntermediateLinux VPS3 min read

• FTP connection failed? Fix FileZilla and FTP login errors

  Fix FTP errors such as "530 Login authentication failed", connection timeouts and "Failed to retrieve directory listing" when connecting to cPanel hosting.

  BeginnercPanel hosting2 min read

• Email not sending from cPanel? How to find and fix the cause

  Work out why mail will not send from your cPanel mailbox or website: SMTP settings, ports, authentication, sending limits, blocklists and PHP mail from WordPress.

  BeginnercPanel hosting3 min read

• Fix "503 Service Unavailable" on LiteSpeed hosting

  Find and fix 503 Service Unavailable errors on LiteSpeed cPanel hosting: PHP processes failing to start, resource limits, crashed PHP extensions, and timeouts in long scripts.

  IntermediatecPanel hosting with LiteSpeed2 min read

• Fix common errors when creating cPanel accounts in WHM

  Solutions for the errors resellers see most when creating cPanel accounts in WHM: domain already exists, username taken, out of allocation, package limits and DNS problems.

  BeginnerReseller hosting2 min read

• Read website logs and statistics in DirectAdmin

  View access and error logs, bandwidth and disk usage, and AWStats or Webalizer statistics in DirectAdmin, and use them to find errors, bots and traffic spikes.

  IntermediateDirectAdmin2 min read

• WordPress site down? A step-by-step checklist

  Work out why a WordPress site is offline: check if it is down for everyone, domain and DNS, SSL, hosting account status, resource limits, PHP errors and the database.

  BeginnercPanel hosting3 min read

• WordPress Site Health explained: fix the common warnings

  Understand WordPress Site Health status and info: what each common critical issue and recommendation means on cPanel hosting, and how to fix or safely ignore it.

  BeginnercPanel hosting3 min read

• Fix the WordPress login redirect loop

  Fix WordPress sending you back to the login page after a correct password: cookies, site URL mismatches, HTTPS settings, caching, plugins and corrupt .htaccess rules.

  IntermediatecPanel hosting3 min read

• Fix "HTTP error" and failed image uploads in WordPress

  Fix WordPress media uploads that fail with "HTTP error", "exceeds the maximum upload size" or "unable to create directory": limits, permissions, image libraries and plugins.

  BeginnercPanel hosting3 min read

• Fix common SSL errors in the browser

  Understand and fix common browser SSL errors: name mismatch, expired or untrusted certificates, incomplete chains, protocol errors and HTTPS redirect loops.

  IntermediateAll hosting3 min read

• Fix 403 Forbidden errors caused by ModSecurity (Imunify360 WAF)

  Recognise when the Imunify360 web application firewall blocks a legitimate form or admin action with a 403 error, collect the details and get the rule fixed.

  IntermediatecPanel hosting with Imunify3603 min read

• "This account has been suspended": why it happens and how to fix it

  Understand why a cPanel hosting account shows the 'Account Suspended' page: unpaid invoice, resource abuse, spam or malware, and the steps to get it reactivated.

  BeginnercPanel hosting2 min read

• Fix a 500 Internal Server Error on cPanel hosting

  Find and fix the cause of a 500 Internal Server Error on any cPanel site: broken .htaccess rules, wrong permissions, PHP version or memory problems and script errors.

  IntermediatecPanel hosting2 min read

• Fix 404 Not Found errors on cPanel hosting

  Find why pages return 404 Not Found on a cPanel site: wrong document root, case-sensitive file names, missing rewrite rules, moved pages, and custom error pages.

  BeginnercPanel hosting2 min read

• LiteSpeed Cache not working? How to check and fix it

  Check whether LiteSpeed Cache is serving pages with the x-litespeed-cache header, and fix the common causes: cookies, no-cache headers, conflicting plugins and CDNs.

  IntermediateWordPress on LiteSpeed3 min read

• Read the error log and raw access logs in cPanel

  Find the cause of website errors with cPanel's Errors tool, PHP error_log files and Raw Access logs, and learn how to read common log lines.

  IntermediatecPanel hosting2 min read

Browse by topic

• Getting startedYour first hour with a new server: access, logins and basics.83 guides
• cPanelFiles, databases, email, domains and every cPanel tool, step by step.67 guides
• WHM & resellingWHM, packages, reseller accounts, WHMReseller and running a hosting brand.53 guides
• WordPressInstall, secure, speed up, migrate and fix WordPress sites.49 guides
• Email & webmailMailboxes, webmail, forwarders, spam filters and email delivery.67 guides
• DomainsRegistering, transferring and managing domains and nameservers.27 guides
• SSL certificatesFree AutoSSL, Let's Encrypt, paid certificates and HTTPS.41 guides
• CloudLinuxCloudLinux setup and use: LVE limits, CloudLinux Manager, CageFS and PHP/Node.js selectors.31 guides
• LiteSpeedLiteSpeed Web Server, LSCache and the LiteSpeed Cache plugin: install, settings and tuning.35 guides
• Imunify360Malware scanning, firewall and proactive defence with Imunify360.24 guides
• SoftaculousInstall, update, clone and back up apps with Softaculous.24 guides
• WP SquaredcPanel's WordPress platform: sites, plugins, staging and backups.9 guides
• SitePadBuild and publish websites with the SitePad builder.9 guides
• SitejetDesign, edit and publish sites with the Sitejet builder.9 guides
• WHMResellerAlpha and master resellers with WHMReseller: install, setup and use.12 guides
• VirtFusionInstall, set up and manage VirtFusion: hypervisors, packages, servers and WHMCS integration.28 guides
• VirtualizorManage your VPS with Virtualizor: power, OS reinstall, VNC, IPs and backups.44 guides
• PleskWebsites, email, databases and settings in the Plesk panel.53 guides
• DirectAdminUsers, domains, email and reseller tools in DirectAdmin.41 guides
• WHMCSBilling, automation, products and client management with WHMCS.52 guides
• Control panelscPanel & WHM, Plesk, DirectAdmin and other panels on your VPS.107 guides
• SecurityKeys, passwords, firewalls and keeping a server patched.138 guides
• Networking & DNSIP addresses, reverse DNS, ports and traffic.72 guides
• Websites & appsWeb servers, WordPress, PHP, Node.js, SSL and app hosting.83 guides
• DatabasesMySQL, MariaDB, PostgreSQL, Redis and MongoDB on a VPS.80 guides
• Billing & accountInvoices, renewals, the client area and your account.9 guides
• TroubleshootingWhen something is not working: checks and fixes.127 guides
• Linux VPSSSH, packages, services and everyday Linux administration.265 guides
• Windows VPS & RDPRemote Desktop, Windows Server settings and Admin RDP tips.73 guides
• Docker & DevOpsContainers, Git deploys, automation, monitoring and backups.82 guides