Linux Containers
WebPros International, LLC supports the use of cPanel & WHM inside of a Linux Container (LXC). An LXC container provides an environment that resembles a standard Linux installation, but does not require a separate kernel.
General Systems Administration
Man-in-the-Middle Attacks
This document reviews Man-in-the-Middle attacks and how to prevent them.
Notification Templates
cPanel & WHM can send alerts to users for various reasons (for example, when someone changes their account settings or an account approaches a quota).
Perl Module Installation
Perl modules allow you to extend cPanel & WHM's functionality.
RPM Installation Failures
This document provides examples of common RPM installation failures.
Service and Proxy Subdomains
Service subdomains provide access to cPanel & WHM interfaces and services.
Service Proxying
Service proxying configures local services to proxy requests for a cPanel account's domains to a remote server.
Supported MySQL/MariaDB Versions
This document provides the supported MySQL and MariaDB versions for each operating system that cPanel & WHM supports.
System User Accounts
This document lists the various system user accounts that your cPanel & WHM server contains.
The cpanelsync.exclude File
You can use this file to prevent updates to cPanel-distributed files
The License Callback Mechanism
This feature immediately updates the user's server.
The scl Utility
To manage software packages in a Software Collection Library (SCL) environment via the command line, use the scl utility.
The Statistics Software Configuration File
The /etc/stats.conf file stores the configuration changes that you make in WHM's Statistics Software Configuration interface.
Troubleshoot IPv6 Problems
This document lists common IPv6 problems and steps to resolve them.
Troubleshooting Guide for Perl and CGI Scripts
Many users and system administrators encounter problems with CGI and Perl scripts. This troubleshooting guide lists many of the common problems and solutions.
Uninstall Legacy Ruby Installations
You can use several different methods to uninstall Ruby.
What is Domain TLS?
The Domain TLS system stores and manages the server's verified certificates in a domain-indexed repository.