[CentOS] Changing hostname?

Dear Bob.

> /etc/sysconfig/network
> Hostname=server1.mydomain.com
> (where the domain is one of my websites on the server, actually my name
> server too)

As mentioned before, I cannot see that this variable is used in any form.

> Change /etc/hosts
> First of all, leave all the original stuff and do not alter.
> Underneath the original stuff, just add
> <ipaddress>  server1.mydomain.com
>
> REBOOT

If you have read the initial posting this is about setting up the
hostname on machines without a network connection (but loopback).

Best Regards
Marcus