WHMCS
Installing, securing and running WHMCS: provisioning, payments, email, domains and upgrades.
WHMCS
WHMCS Cron Not Running: How to Find the Cause and Fix It
Why invoices and suspensions stop when the WHMCS cron fails, the exact cron command for WHMCS 9, how to read the cron log, and the six failures we see most.
WHMCS
How to Install WHMCS on a Plesk Server, Step by Step
WHMCS 9 requirements (PHP 8.2+, ionCube 13, MySQL), creating the site in Plesk, running the installer, the cron job and the first settings to lock down.