RE: preinstall section - how to backup ssh keys?

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On Tue, 2 Dec 2003, Crow69 aka thedude wrote:
> Is it required to have "--nochroot" in my "%post" section?  I have a lot of
> other things in "%post" and am not currently using "--nochroot".  I thought
> I should still be able to see the /tmp/ssh directory created in the "%pre"
> section, correct?  It does not seem to work, though, since I do not see the
> /tmp/ssh directory in the "%post" section.  I did an "ls -la" on /tmp in the
> "%post" section, and the only thing there was:
> total 12
> drwxrwxrwt    2 root     root         4096 Dec  2 10:48 .
> drwxr-xr-x   21 root     root         4096 Dec  2 10:48 ..
> -rwx------    1 root     root          157 Dec  2 10:48 ks-script

That does not work.
In your chroot-ed %post section you only see your new system.

The solution for your problem are two %post sections: your original
one and the new with "--nochroot". Kickstart will execute them both.

-- Alf.

> I would think I would at least see the directory since it should have been
> created with mkdir in the %pre section.  Is this a different "/tmp"
> directory in the %post section than what was used in %pre?
>
> Any ideas?
>
> Jeff
>
> >From: Alf Wachsmann <alfw@xxxxxxxxxxxxxxxxx>
> >Reply-To: kickstart-list@xxxxxxxxxx
> >To: "'kickstart-list@xxxxxxxxxx'" <kickstart-list@xxxxxxxxxx>
> >Subject: RE: preinstall section - how to backup ssh keys?
> >Date: Tue, 02 Dec 2003 07:47:43 -0800 (PST)
> >
> >On Mon, 1 Dec 2003, James Olin Oden wrote:
> > > On Mon, 1 Dec 2003, Robert Denton wrote:
> > >
> > > > The post script doesn't have to run in a chroot environment.  But it
> >will if
> > > > you specify: '%post --chroot'
> > > It runs in chroot by default (%post that is).  To run in non-chroot
> > > specify: [ proposal deleted ]
> >
> >Here is what we do. It avoids the rather ugly loop in the %pre section
> >to copy the data back.
> >
> >-- Alf.
> >
> >
> >%pre
> >
> >mkdir -p /mnt/oldroot
> >mkdir -p /tmp/ssh
> >
> >if [ -b /dev/sda ] ; then
> >   disk="/dev/sda"
> >else
> >   disk="/dev/hda"
> >fi
> >
> >mounted=""
> >for i in `/usr/sbin/fdisk -l $disk | grep -i linux | grep -v swap | cut -d"
> >" -f 1`
> >{
> >   part=`/usr/sbin/e2label $i`
> >   if [ $part = "/" ] ; then
> >     mount $i /mnt/oldroot
> >     mounted="true"
> >   fi
> >}
> >
> >if [ -d /mnt/oldroot/etc/ssh ] ; then
> >   cp -a /mnt/oldroot/etc/ssh/ssh_host_* /tmp/ssh/.
> >   echo "Copied old ssh keys"
> >else
> >   echo "No old ssh directory found"
> >fi
> >
> ># Add other stuff here that needs to be copied
> ># like Kerberos keytab files etc.
> >
> >if [ -n $mounted ] ; then
> >   umount /mnt/oldroot
> >fi
> >
> >
> >
> >%post --nochroot
> >
> >if [ -d /tmp/ssh ] ; then
> >   mv -f /tmp/ssh/ssh_host_* /mnt/sysimage/etc/ssh/.
> >   mv -f /tmp/ssh/*srv*      /mnt/sysimage/etc/.
> >   mv -f /tmp/ssh/*keytab    /mnt/sysimage/etc/.
> >fi
> >
> >
> >
> >-----------------------------------------------------------------------
> >   Alf Wachsmann                       | e-mail: alfw@xxxxxxxxxxxxxxxxx
> >   SLAC Computing Service              | Phone:  +1-650-926-4802
> >   2575 Sand Hill Road, M/S 97         | FAX:    +1-650-926-3329
> >   Menlo Park, CA 94025, USA           | Office: Bldg. 50/323
> >-----------------------------------------------------------------------
> >                 http://www.slac.stanford.edu/~alfw (PGP)
> >-----------------------------------------------------------------------
> >
> >
> >_______________________________________________
> >Kickstart-list mailing list
> >Kickstart-list@xxxxxxxxxx
> >https://www.redhat.com/mailman/listinfo/kickstart-list
>
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-----------------------------------------------------------------------
  Alf Wachsmann                       | e-mail: alfw@xxxxxxxxxxxxxxxxx
  SLAC Computing Service              | Phone:  +1-650-926-4802
  2575 Sand Hill Road, M/S 97         | FAX:    +1-650-926-3329
  Menlo Park, CA 94025, USA           | Office: Bldg. 50/323
-----------------------------------------------------------------------
                http://www.slac.stanford.edu/~alfw (PGP)
-----------------------------------------------------------------------




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