Change Linux Hostname and IP Address
Sometimes you might want to change the Linux hostname and IP address assigned to a Linux machine. In this article, we will be looking at Linux hostname and IP address change.
Change Linux Hostname
Check the current hostname on the server
To change the hostname, give new hostname in the single quotes
hostnamectl set-hostname 'dev.dbagenesis.com'
Verify new hostname change
Change Linux IP Address
On a Linux minimal install, you can assign new IP address by editing /etc/sysconfig/network-scripts/ifcfg-eth3 file
vi /etc/sysconfig/network-scripts/ifcfg-eth3 --> change old ip to new ip --> change old gateway to new gateway ip --> save and close
Restart the network
service network restart