Change IP Address from command line
Open up the following file, change eth0 to your primary ethernet adapter. More info here.
vi /etc/sysconfig/network-scripts/ifcfg-eth0
and under IPADDR set it to the new IP. Update netmask and gateway if needed.
Save file and restart network
systemctl restart network
Update License
You may need to run the following to update the license on the server.
/usr/local/cpanel/cpkeyclt
Change Server IP in WebHost Manager
Other things to do
You may need to migrate IP’s to the new address.
If you are keeping the old address on the server, then you may need to readd it through the IP Functions.