Step-by-step help for your hosting

• How to fix 500 Internal Server Error on Apache

  Track down an Apache 500 Internal Server Error by reading error.log, then fix bad.htaccess directives, missing modules, PHP fatal errors and permission problems.

  IntermediateLinux server5 min read

• How to make.htaccess rewrites work in OpenLiteSpeed

  Fix.htaccess rewrites in OpenLiteSpeed - turn on rewrite and Auto Load from.htaccess, understand why edits need a restart and which directives are supported, and fix 404 errors on WordPress permalinks.

  IntermediateLinux server5 min read

• Sign out a stuck or disconnected RDP session

  Find and close a frozen or forgotten Remote Desktop session with quser, logoff and reset session, or from Task Manager, so you can connect again.

  IntermediateWindows server4 min read

• Check banned IPs and unban an address in Fail2ban

  See which IP addresses Fail2ban has banned, find out why, unban an address in one command and whitelist it so it does not happen again.

  BeginnerLinux server5 min read

• Restore Remote Desktop to port 3389 after changing it

  Changed the RDP port and now you cannot connect? Use the browser console to set Remote Desktop back to port 3389, re-add the firewall rule and get back in.

  IntermediateWindows server5 min read

• Connect to RDP port 3389 from office, hotel or school Wi-Fi

  Some office, hotel and campus networks block outbound Remote Desktop traffic on port 3389. Learn how to confirm the block and the safe ways to reach your server anyway.

  IntermediateWindows server5 min read

• How to fix 403 Forbidden errors in Apache

  Fix Apache 403 Forbidden errors by checking Require rules, file permissions, a missing index file,.htaccess deny rules and SELinux labels, one cause at a time.

  BeginnerLinux server5 min read

• How to test whether RDP port 3389 is reachable

  Check in under a minute whether your server answers on RDP port 3389, from Windows, Mac or Linux, and learn what each result means and what to do next.

  BeginnerWindows server5 min read

• Fix "Your credentials did not work" in Remote Desktop

  Fix rejected RDP logins: username format, the right password, stale saved credentials, account lockout and Remote Desktop permissions.

  BeginnerWindows server3 min read

• Fix SSH "connection refused", "timed out" and "permission denied"

  Work out what each SSH error means, test the port from your computer, and use the control panel's browser console to fix the firewall, the SSH service or key permissions.

  IntermediateLinux server3 min read

• Fix SSH "Too many authentication failures" when connecting

  Learn why SSH offers too many keys and gets rejected, and fix it with IdentitiesOnly, ssh-agent and a small SSH config entry.

  BeginnerLinux server6 min read

• Fix MySQL or MariaDB error 1045: Access denied for user

  Error 1045 means MySQL or MariaDB rejected the login. Find which user and host the client asked for, fix the password or grants, and reset a lost root password safely.

  IntermediateLinux server6 min read

• Fix "No space left on device" when the disk isn't full (inodes)

  Linux says no space left on device but df -h shows free space? Use df -i to confirm inode exhaustion, find the folder with millions of files and clean it up safely.

  IntermediateLinux server7 min read

• Fix ERR_TOO_MANY_REDIRECTS: diagnose a redirect loop

  Trace an ERR_TOO_MANY_REDIRECTS loop across Nginx, Apache, WordPress and Cloudflare, and find the single rule that keeps sending traffic back to itself.

  IntermediateLinux server7 min read

• Using lsof to identify processes consuming high amounts of server resources

  Use the lsof command to find which process holds a port, file or deleted log open on your Linux VPS, and fix the resource problem at its source.

  IntermediateLinux server6 min read

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