reinstalling grub

[Louis Garcia]

I forgot to say that I have a boot disk. I can boot from the floppy. So
can I just do a grub-install --root-directory=/ /dev/hda when I'm in
linux?

--Lou

On Mon, 2003-08-25 at 08:10, Féliciano Matias wrote:
> Le lun 25/08/2003 à 13:43, Louis Garcia a écrit :
> > I had to reinstall windows and it override the MBR. How do I reinstall
> > grub on the MBR?
> > 
> 
> It's not easy.
> First, boot from the cd1. Enter "linux rescue" at the lilo prompt.
> This will mount the root partition to /mnt/sysimage (or something like).
> Mount /boot partition to /mnt/sysimage/boot :
> mount -t ext3 /dev/hda? /mnt/sysimage/boot
> 
> Disable exec-shield :
> echo 0 > /proc/sys/kernel/exec-shield
> 
> Run grub-install. For example :
> grub-install --root-directory=/mnt/sysimage /dev/hda
> 
> Take this pieces of advices very carefully ! Backup /boot partition.
> 
> Grub documentation :
> http://www.gnu.org/manual/grub/html_node/index.html
> Grub-install :
> http://www.gnu.org/manual/grub/html_node/Installing-GRUB-using-grub-install.html#Installing%20GRUB%20using%20grub-install
> 
> 
> > Thanks, --Lou
> > 
> > 
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