Guides from the NOC

Browser flags cPanel or WHM login as Not Secure while your website is fine? Learn why the panel's SSL is separate and how to fix it for good.

Upgrading MySQL or MariaDB from WHM? Here's how to use the built-in upgrade tool safely, without corrupting cPanel databases, phpMyAdmin, or client sites.

Learn how WHM's Transfer Tool moves cPanel accounts between servers, why transfers stall or lose email, and how to cut over DNS safely.

Set up WHM reseller hosting the right way: create packages, add cPanel accounts, set ACLs, brand nameservers, and avoid overselling disk and bandwidth.

Set up ConfigServer Security & Firewall (CSF) in WHM the right way: correct ports, testing mode, LFD alerts, and how to recover if you lock yourself out.

WHM showing a cPanel license verification error? Here's why it happens after IP changes, firewall blocks, or clock drift, and how to fix it fast.

Fix failed WHM cpmove restores on a new server: username collisions, missing packages, DNS zone conflicts, and MySQL errors, with the exact commands.

Confused by red and yellow warnings in WHM's Security Advisor? Here's what each common one really means, which to fix today, and which are safe to skip.

MySQL error 1226 'max_user_connections' exceeded on cPanel or WHM hosting? Here's exactly why it happens and how to raise the limit and fix it for good.

Managing dozens of WordPress sites on one VPS or WHM reseller account? Use a safe WP-CLI loop script to update plugins, themes, and core everywhere at once.

Changing your cPanel account's primary domain in WHM? Learn what breaks — SSL, DNS, email — and the safe step-by-step way to do it without downtime.

Set up cPanel/WHM Additional Backup Destinations to auto-send backups to Amazon S3 or FTP/SFTP, so a server failure can't take your only backup with it.

Hit 'maximum number of email accounts' in cPanel? Learn why the limit exists, how to check usage, free up slots, and raise it in WHM or via support.

Premium WordPress theme or plugin throwing an ionCube Loader error? Learn how to enable ionCube in cPanel's PHP Selector or WHM and fix it for good.

Renaming a cPanel account can break email, cron jobs, and SSL if done the wrong way. Here is the safe WHM rename process and what to check before and after.

CloudLinux CageFS hiding a binary from your cPanel account? Learn why CageFS isolates users and how to safely make new commands and extensions visible.

Mail still bouncing after you fixed SPF, DKIM and PTR? Learn how to set your VPS hostname and FQDN correctly for Postfix, Exim and WHM.

Learn how to create and use cPanel API tokens to automate backups, email account creation, and DNS changes securely, without exposing your password.

Hitting cPanel's max emails per hour limit? Learn why WHM caps outbound mail, how to check Track Delivery, and how to safely raise or fix the limit.

A form or upload throwing 403 for no reason? Learn how to find the exact ModSecurity rule ID blocking it and whitelist it safely in cPanel or WHM.

Can't find Terminal in cPanel? Where it lives (Advanced > Terminal), the two settings your host must enable, fixing a blank screen, and what jailshell blocks.

Mail delayed or stuck in the Exim queue on cPanel? Learn how to find frozen messages, diagnose the cause, and clear the queue safely with exiqsumm and exim -...

Rebuild PHP and Apache with cPanel EasyApache 4 in WHM safely - avoid the missing extensions, PHP handler mismatches, and 500 errors a bad rebuild causes.

Is your cPanel hosting account suspended? Learn the real reasons - billing, abuse reports, malware, resource abuse - and how to get it reactivated fast.