Re: Resend: Anaconda modifying network files

[Bryan Kearney <bkearney redhat com>]

I finally went with a combination of a %post and firstboot (actually, 
every boot). Together I was able to use these to "clean" the network info.

-- bk


dwight at supercomputer.org wrote:
> 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 hp com
> > > > Red Hat Certified Engineer
> > > > RHCE#805007310328754
> > > >
> > > > -----Original Message-----
> > > > From: kickstart-list-bounces redhat com
> > > > [mailto:kickstart-list-bounces redhat com] On Behalf Of Bryan
> > > > Kearney Sent: Wednesday, March 05, 2008 1:33 PM
> > > > To: kickstart-list redhat com
> > > > 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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