Difference between revisions of "Grub"
From Linuxintro
imported>ThorstenStaerk |
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= reinstall grub = | = reinstall grub = | ||
grub-install --recheck --no-floppy --root-directory=/path/to/root /dev/hda | grub-install --recheck --no-floppy --root-directory=/path/to/root /dev/hda | ||
| + | |||
| + | = repair grub = | ||
| + | Boot from Knoppix, | ||
| + | $ mount /dev/hda3 /media/hda3 | ||
| + | $ mount --bind /dev /media/hda3/dev | ||
| + | $ mount --bind /proc /media/hda3/proc | ||
| + | $ chroot /media/hda3 | ||
| + | $ grub-install /dev/hda | ||
= determine entry to be booted next time = | = determine entry to be booted next time = | ||
Revision as of 06:12, 1 December 2010
Contents
reinstall grub
grub-install --recheck --no-floppy --root-directory=/path/to/root /dev/hda
repair grub
Boot from Knoppix,
$ mount /dev/hda3 /media/hda3 $ mount --bind /dev /media/hda3/dev $ mount --bind /proc /media/hda3/proc $ chroot /media/hda3 $ grub-install /dev/hda
determine entry to be booted next time
grub-reboot entry-number
grub's command line
grub> kernel /boot/vmlinuz grub> initrd /boot/initrd grub> boot
backup partition table
To backup your partition table:
sfdisk -d /dev/hda > hda.pt
To restore it:
sfdisk /dev/hda < hda.pt
