How To change the Hostname in CentOS 7

Check current hostname with the hostname command.

hostname

Change hostname with hostnamectl

hostnamectl set-hostname newhostname

 

Example:

Changing hostname from “localhost” to “newhost”.

[root@localhost ~]# hostname
localhost
[root@localhost ~]# hostnamectl set-hostname newhost
[root@localhost ~]# hostname
newhost
[root@localhost ~]# 

 

 

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