Changing host name

[Paul W. Frields]

On Wed, Apr 07, 2010 at 01:34:35PM -0700, Rick Stevens wrote:
> On 04/07/2010 10:51 AM, Tom H wrote:
> >>>>> I've never found a need to reboot on changing hostnames.  The most
> >>>>> drastic action I've taken was to "service network restart".
> >
> >>>> One wold assumme if yo are using 'service network start' you are not
> >>>> using NM so your comments about the changing hostname may not apply to
> >>>> the OP's system.
> >
> >>> Unless I'm out of my mind...that assumption would not be true.....
> >>> Even if you use NM you can still use "service network restart".  When
> >>> one uses NM the directories /etc/sysconfig/networking/profiles/default
> >>> and /etc/sysconfig/networking/devices are empty. This is the case on my
> >>> system.
> 
> I would highly recommend you DON'T use "service network restart" if
> you're using NM.  The two are not compatible in many areas.
> 
> >> I have no opinion on the soundness of this, but "service NetworkManager
> >> restart" is what I use myself.
> 
> I believe that's what's required if you do some manual reconfig of the
> network behind NM's back.
> 
> > There is a "NM_CONTROLLED" variable that can be set in the ifcfg-*
> > scripts to use one or the other (although I do not see where my F13
> > init.d scripts check for its value.)
> 
> I'm not sure they do.  I believe the idea is that NM would ONLY futz
> with interfaces marked thus and leave the others alone.
> 
> With both classic and NM enabled, the normal startup sequence would
> "service network start" at sequence 10, then "service NetworkManager 
> start" at sequence 23  The way I read it, classic could play with all
> the NICs and NM would only touch the ones marked "NM_CONTROLLED",
> undoing what classic did to them.

Just to be clear, NM_CONTROLLED is not a marker, it's a variable.  You
would set NM_CONTROLLED=no for an interface where you didn't want NM
to monitor or change its state.

-- 
Paul W. Frields                                http://paul.frields.org/
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