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From: Robert Heller on 5 Apr 2010 14:45
At Mon, 5 Apr 2010 11:55:23 +0000 (UTC) Bit Twister <BitTwister(a)mouse-potato.com> wrote:

>
> On Mon, 5 Apr 2010 00:09:52 -0700 (PDT), Bennett Haselton wrote:
> > I have a CentOS 5.4 machine that resets its hostname to
> > "wyzantdb1.wyzant.net" every time I reboot the machine, even if I have
> > tried setting the hostname to something else while the machine is
> > running.
>
> Usually on RedHat/Fedora/CentOS type systems, host name is set from
> /etc/sysconfig/network via the HOSTNAME= line.
>
> If you used command line commands to set hostname, I would check the
> man page for the command, remove the host name setting from indicated config
> file, set /etc/sysconfig/network HOSTNAME=to_desired_FQDN_here
> Reboot system and see if it works.
>
>
> > So where else could the hostname be stored?
>
> No telling since you did not specify your network setup type, wifi,
> type of dhcp client if dynamic, static,..
>
> Try
> cd /etc/sysconfig/network-scripts/
> grep -ri wyzantdb1 *
> grep -ri wyzant.net *
>
> You could save/run this script and grep it's output for the above names.
> http://groups.google.com/group/alt.os.linux.mandriva/msg/429ba2526d6a545d
>

Note that dhcp's client script might also set the hostname if your
machine is getting its IP via DHCP.

--
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