Change HostName From Command Line Linux

To change the  hostname, follow the steps shown below.

1. Use hostname command to Change Hostname

In this example, we’ll change the hostname from dev-server to prod-server.

hostname command by default will display the current hostname as shown below:

# hostname
dev-server

The following will change the hostname to prod-server.

# hostname prod-server

Once the hostname is changed, verify that it has changed the hostname successfully. As you see below, it has changed the hostname to prod-server

# hostname
prod-server