To purchase a license, visit the cPanel Store.
You may install cPanel & WHM without a license. However, it will not function until you obtain a license.
To determine whether you are eligible for a free 15 day trial license, perform the following steps:
This error indicates an issue with your cPanel & WHM license. To address this error, run the following command as the
/usr/local/cpanel/cpkeyclt script verifies your license. For more information, read our Installation Guide - Troubleshoot Your Installation documentation.
Read our System Requirements documentation for supported operating systems. We cannot offer technical support for cPanel & WHM installations on other operating systems. Most likely, an installation on an unlisted operating system will not function properly.
The best way to uninstall cPanel & WHM is to reformat your server.
Reinstall your operating system to return your server to a default setting if you do not wish to use cPanel & WHM.
cPanel & WHM supports 1:1 NAT configurations. For more information, read our 1:1 NAT documentation.
cPanel & WHM only supports 1:1 NAT configurations.
Do not run cPanel & WHM on a server with X Windows or XFree86.
cPanel, Inc. does not support X Windows or XFree86, due to severe security vulnerabilities. We cannot provide support to reclaim X Windows or Xfree86 on installed cPanel & WHM servers.
You can use SSH to access your server remotely. If you use a Microsoft® Windows® system, you can use PuTTY to do this.
After you connect to your server, regardless of how you connect to it, you must run POSIX-standardized commands to manipulate files. For more information about POSIX, visit the POSIX page on Wikipedia.
To access your server from the command line, perform the following steps:
ssh root@$IPcommand (where
$IPrepresents your target server's IP address).
To use PuTTY to access your server from a Windows PC, perform the following steps:
In the Sessions menu, enter your server's IP address.
Make certain that you select SSH.