How to install cPanel & WHM
The rpm.versions system manages many of the RPMs on your cPanel & WHM server.
These release notes list any new, updated, or deprecated features in EasyApache 4.
This document describes the system requirements for your cPanel & WHM installation.
This document describes how to customize your cPanel & WHM installation.
This document describes how to troubleshoot problems with your cPanel & WHM installation.
This document describes how to install cPanel DNSOnly® on your server.
It's important to perform some basic tasks after you install cPanel & WHM.
When you install cPanel & WHM, the installer will detect whether your server resides on a NAT-configured network.
This document explains the differences between account suspension, bandwidth limiting, and account termination.
EasyApache 4 provides several ways for you to customize your Apache configuration.
To improve future compatibility within the cPanel & WHM codebase, we eliminated the use of hardcoded paths to refer to Apache files and directories.
The mod_brotli Apache module provides compression for the Apache HTTP server.
The mod_cpanel Apache module replaces the _Optimize .htaccess (AllowOverride)_ feature.
This module provides DoS, DDoS, and brute force attack protection.
The mod_fcgid Apache module provides an alternative module to the mod_cgi Apache module.
The mod_http2 Apache module provides HTTP/2 support for the Apache HTTP server.
This module provides Lua hooks for httpd request processing.
The mod_mpm_itk Apache module causes the Apache process to switch to the domain owner's user identifier (UID) and group identifier (GID) before it responds to the request.
Apache servers that use the `prefork` MPM with fewer server instances than the maximum number of PHP-FPM child processes may experience performance issues. This document explains how to resolve this dependency issue.