CPanel

This page has a variety of information on cPanel servers.

General Information

Common Ports - Common ports that are used on cPanel Servers

cPanel Scripts - Listing and brief explanations for common cPanel Scripts

SSL

View sent notifications:
/var/cpanel/user_notifications/root/history/

LAMP Stack

Software Versions - What versions of Linux, Apache, php, mySQL, etc are installed?

DNS - DNS in WHM and cPanel

Apache

MySQL

PHP

Logs

Log Locations - Where are log files?

Mail

exim exim is the SMTP mailserver

DKIM and SPF

Other

Solr - cPanel uses Solr to index and search mail messages.