Installation steps for both cpanel and plesk Login to the terminal Use the following commands cd /usr/src rm -f osm* wget https://download.configserver.com/osminstaller.tgz tar -xzf osminstaller.tgz perl osminstaller.pl ipv4 (replace ipv4 with ipv6 for ipv6 license) rm -fv osm* Now you can login to the cpanel WHM or plesk for GUI management