Once you have rebooted, you are running CloudLinux kernel with LVE enabled.
The script automatically detects and supports following control panels: cPanel with EA3, Plesk, DirectAdmin, InterWorx. It will install CloudLinux kernel, Apache module, PAM module, command line tools as well as LVE Manager.
ISPmanager 5 has native support for CloudLinux. To deploy CloudLinux on a server with ISPmanager 5, you would need to purchase CloudLinux license directly from ISPSystems and follow ISPmanager’s deployment guide.
sumber : http://docs.cloudlinux.com/index.html?converting_existing_servers.html