- Login to your server over ssh, (use a ssh client like putty).
- Download cpanel installer from: http://layer1.cpanel.net/latest
wget http://layer1.cpanel.net/latest - Change the file permissions
chmod 777 latest - Run the installer
nohup ./latest & - Wait until the installer complete the installation, it will take about 2hours.
Note: Don't close the ssh windows because the installer will be stopped.