cpanel can offer 15-day test licenses for no cost.
To begin your installation, use the following commands:
1. cd /home — Opens the directory /home.
2. wget -N http://layer1.cpanel.net/latest — Fetches the latest installation file from the cPanel servers.
3. sh latest — Opens and runs the installation files.
4.(If you have purchased license for cpanel)
/usr/local/cpanel/cpkeyclt — Activates your license after installation.
5. Login to WHM and proceed with the intial WHM Setup.
Obtaining a cPanel/WHM License:
If you do not have a license for cPanel/WHM, you will need to obtain one for your IP address. You can obtain a license at http://www.cpanel.net/store.