Pre-Flight Check These instructions are intended specifically for checking your version of cPanel or WHM via the command line or the WHM dashboard. I'll be working from a GigaPros Web Managed CentOS 7 server, and I'll be logged in as root. Step #1: Log In to WHM First log in to WHM. You'll arrive atThe post How to Upgrade and Patch cPanel / WHM appeared first on GigaPros Blog.