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RHEL 7 / Fedora 19+ Change Hostname

RedHat decided on a significant number of changes in it's new OS releases.  This includes changes to the way the hostname is handled and maintained:

hostnamectl status Check the hostname.
hostnamectl set-hostname <HOSTNAME> Set all hostnames.
hostnamectl set-hostname <HOSTNAME> [OPTION] Options are:





hostnamectl set-hostname "" [OPTION] Clear hostname.  See options above.
hostnamectl set-hostname -H [USER NAME]@<REMOTE HOST> Change hostname of a remote machine.

And that summarizes the hostname command for the new RH Linux releases.





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