Re: Resend: Anaconda modifying network files

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One thing to watch out for is kudzu. I ran into a similar situation a 
couple of weeks ago, with kudzu overwriting the ifcfg files and 
changing them away from what the %post section was doing, right 
after the %post section had completed, and before the system had 
rebooted.

That is, kudzu will apparently do some final manipulations after 
the %post section has run. There doesn't seem to be anything one can 
do about this either.

Note that kudzu is a fundamental part of anaconda/kickstart. You 
simply can't remove it. RedHat defines an absolute minimal 
installation as consisting of kudzu (and not coreutils + kernel, 
which one would expect).

One can get around this limitation by creating the equivalent of 
a .firstboot in /etc/rc.d/rc.sysinit, which corrects things when one 
first boots up.

Hope that helps.

   -dwight-


On Wednesday 05 March 2008 12:42:09 pm Bryan Kearney wrote:
> Good thing I am clever :)
>
> -- bk
>
> Michael DeHaan wrote:
> > Caetano, Greg wrote:
> >> Bryan:
> >>
> >> I take care of removing all those "specifics" as part of the
> >> %post of a kickstart
> >
> > So in that case, you still have to run system-config-network at
> > firstboot (or equivalent)?    That seems reasonable -- you may
> > be handing something to someone with a static IP setup, you
> > don't know. Rethinking it, if you clear things out in %post and
> > also feed it network details in the libvirt XML, maybe that's
> > good enough...
> >
> > Still, I'm not sure of a way to do that fully automatically and
> > get them all unique MACs without being rather clever...
> >
> >> Greg Caetano
> >> HP ISS Linux Virtualization Solutions Engineering
> >> Chicago, IL
> >> greg.caetano@xxxxxx
> >> Red Hat Certified Engineer
> >> RHCE#805007310328754
> >>
> >> -----Original Message-----
> >> From: kickstart-list-bounces@xxxxxxxxxx
> >> [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Bryan
> >> Kearney Sent: Wednesday, March 05, 2008 1:33 PM
> >> To: kickstart-list@xxxxxxxxxx
> >> Subject: Resend: Anaconda modifying network files
> >>
> >> I am using cobbler/koan to generate xen disk images. After a
> >> successful install, if I mount the image I see infomation in
> >> various networking files which denote the information about the
> >> network I built the image on. Specifically:
> >>
> >>
> >> /etc/hosts has the ip address and dhcp fqdn of the image when
> >> anaconda was running.
> >> /etc/sysconfig/network has the fgdn of the image when anaconda
> >> was running.
> >> /etc/sysconfig/network-scripts/ifcfg-eth0 has the MAC address
> >> given out by xen.
> >>
> >> Is there a way to configure anaconda to not mutate these files?
> >>
> >> Thanks!
> >>
> >> -- bk
> >>
> >> _______________________________________________
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> >>
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> >
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