Articles in this category
Troubleshooting — Memory Limit Error
The PHP memory_limit sets a cap on memory use per script, preventing server crashes from scripts consuming excessive RAM.
Troubleshooting Apache startup error: no space left on device
Learn to fix the Apache startup error "Failed to set a watch for httpd.service's PID file: No space left on device" by checking disk…
Troubleshooting Guide: PHP-FPM and max_children
Fix slow sites by troubleshooting PHP-FPM max_children on cPanel, Plesk, & InterWorx. Learn to find logs, adjust settings safely, & check se…
Troubleshooting: AWStats
Troubleshoot AWStats in cPanel when your website statistics stop updating. Learn how to check cPanel logs, fix missing files, and allow manu…
Troubleshooting: cPanel is Emailing Me, Is My Server Down?
Getting unexpected cPanel emails? Learn what root access, excessive resource usage, and system integrity alerts mean, and how to manage them…
Troubleshooting: DNS Failing To Propagate
Having trouble with DNS propagation? We'll show you common reasons why your records fail to update and provide tools to help you troubleshoo…
Troubleshooting: I Can’t Find My Spam Folder
Can't find your spam folder? Learn how to recover SpamAssassin emails by subscribing to your spam folder in Horde, Roundcube, and SquirrelMa…
Troubleshooting: Using /script/upcp for WHM and cPanel Issues
Resolve WHM and cPanel errors with the /scripts/upcp command. Learn to troubleshoot failed auto-updates, Paper Lantern issues, and dependenc…
Troubleshooting: Your Connection Is Not Private/Secure/Trusted
Seeing a privacy error for cPanel, WHM, or Plesk? Your server is likely using a self-signed SSL certificate, which browsers don't automatica…
Unblocking an IP Address or Opening a Port in the Firewall
If an IP address has been blocked by the firewall on your cPanel VPS server unexpectedly, you can quickly resolve the issue yourself with&he…
Understanding and Using systemd
Modern Linux service management with `systemd`. Learn `systemctl` to start, stop, enable & check services. Intro to `journalctl` logs.
Understanding IOwait
Learn what IOwait is, why it slows servers, and how to identify the processes causing it using iostat, block_dump, and iotop tools.