• Log (SSH) into your server as root. 
• yum users should run the following command: yum install perl
• up2date users should run the following command: up2date -i perl
• You need to change the hostname both in /etc/hosts, and in/etc/sysconfig/network. After you have changed the hostname in both files, run this command:
• # hostname $newhostname
• Replace $newhostname with the new hostname you put in /etc/hosts and /etc/sysconfig/network. You do not need to reboot the server.
• To install cPanel & WHM, run these commands:
• cd /home — Opens the /home directory.
• wget -N http://httpupdate.cpanel.net/latest — Fetches the latest installation files from cPanel's servers.
• sh latest — Opens and executes the installation files.
• Please allow 30 min - 1 hour for the installation to finish
• To access the WHM interface:
• Enter https://$IP:2087 into your preferred web browser.
• $IP represents your server's IP address.
• Enter root into the Name field.
• Enter your root password into the Password field.
• Click Log In.