pico /etc/sysconfig/network
pico /etc/hosts
pico /etc/resolv.conf
pico /var/named/your.dns.zone.com.db (add A record for host)
pico /usr/local/apache/conf/httpd.conf (may not exist anymore)
—
cd /usr/local/cpanel
then run
./cpkeyclt
also might help license
/scripts/upcp
You can also run: pico /etc/sysconfig/network and change it there.
Then run: hostname yourhost.name
Then reboot the server.
If you have a VPS than you might need to contact the VPS provider to change it from the VPS control center.