[SLE] Recover question - no kernel

From: Moby (moby_at_mobsternet.com)
Date: 03/31/05

  • Next message: Jonathan Brooks: "[SLE] Simple question....I hope" 
    Date: Wed, 30 Mar 2005 16:30:03 -0600
To: suse-linux-e@suse.com

    I have a need to reinstall the kernel on a SuSE 9.2 box using the
    install CDs and booting into rescue mode. The original root partition
    was at /dev/hda4 and the original /boot was /dev/hda2. Both / and /boot
    are resierfs. Kernel source and binary RPMS exist on the original /
    (/dev/hda4) under /home/raw/kernel. Here at the steps I am taking and
    the issue I keep on facing:

    1) Boot off SuSE 9.2 CD1, choose Rescue, login as root.
    2) cd /mnt. Then mkdir t4. Then mount /dev/hda4 /mnt/t4.
    3) chroot /mnt/t4.
    4) mount /dev/hda2 /boot

    At this point, my file system is back the way it used to be before I
    destroyed the kernel. Now to install the kernel I have tried using the
    binary rpms as well as compiling the installing from sources. The
    problem is that both steps, installing the binary RPMs or making from
    source, apparently look for information under /sys. In my case, /sys
    goes away at step (3) above. I understand /sys is a "virtual" file
    system. My question is how do I get my kernel back? I would like to
    install a binary RPM instead of compiling and installing my own.
    However, even when installing from the binary RPM, I see complaints
    about being unable to find items under /sys. I think this makes it
    unable to produce a proper initrd, and as a result of which, even though
    the RPM appears to install fine and I see all the proper looking files
    at all the right places, on a reboot the machine complains about waiting
    for /dev/hda4 and then gives up.

    It seems that the use of /sys severely hinders a quick recovery, such as
    simply booting as in steps (1) through (4) above and installing the
    binary kernel RPM.

    Thanks in advance for any help 

    -- 
--Moby
They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.  -- Benjamin Franklin
First they came for the Jews and I did not speak out because I was not a Jew.
Then they came for the Communists and I did not speak out because I was not a Communist.
Then they came for the trade unionists and I did not speak out because I was not a trade unionist.
Then they came for me and there was no one left to speak out for me.  --  Pastor Martin Niemöller 
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