Recovering GRUB after being overwritten by Windows
Novell Cool Solutions: Tip
By Heinz Hartfiel
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Posted: 5 Jan 2006 |
ENVIRONMENT: Novell Linux Desktop (SP1, SP2, SPx).
WindowsXP, Windows2000.
NLD/WinXP dual-boot installation on the same machine.
PROBLEM: How to recover NLD/WinXP dualboot installation if a subsequent WinXP setup has overwritten your grub loader with the Windows boat loader?
SOLUTION: Here are the details to put grub back in charge again instead of the Windows boot loader.
1. Start NLD installation from NLDSPx-CD
2. Choose your Yast2 language (e.g. English, US) --> Accept
3. Select your Default Desktop (e.g. Gnome) --> Accept
4. Write down your Linux Partitioning Information
In my case it was:
- /dev/hda6 8.9GB (for / with reiser)
/dev/hda5 1.0GB (for swap)
5. Abort NLD Installation --> Abort
6. Reboot to the NLDSPx-CD and choose 'Rescue System' from the main NLD Installation Menu (Linux Kernel will be loaded).
7. Choose a keyboard map (e.g. English, US) --> OK
8. At the Rescue login prompt type: root
9. Mount linux partition to a temp dir, e.g.:
-
mkdir /mnt/nld
mount -t reiserfs /dev/hda6 /mnt/nld
10. change root to the system so paths from '/' are on your linux partition and not the rescue CD's ramdisk:
-
cd /mnt/nld
chroot /mnt/nld
11. Run grub-install now:
-
grub-install /dev/hda
(not hda6!!!)
12. Reboot
After this procedure the grub boot loader will be recovered and it will also have the original entry for booting Windows XP.
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