If you are using cPanel and would like to convert to CloudLinux, use the step as below :
1. First of all, you must have CentOS 5 and above.
2. Get the license key from cPanel or CloudLinux.
3. Run the command as below from SSH.
# wget http://repo.cloudlinux.com/cloudlinux/sources/cln/cpanel2cl # sh cpanel2cl -k # reboot # /scripts/easyapache --build