boot: linux rescue

# chroot /mnt/sysimage

# grub-install /dev/sda

# mkdir /mnt/sysimage

# mount /dev/sda1 /mnt/sysimage

# ln -s /usr/sbin/grub /usr/bin/

# grub-istall rootdirectory=/mnt/sysimage /dev/sda

# chroot /mnt/sysimage/

# grub-install /dev/sda

/dev/md0 does not have any corresponding BIOS drive

# grub-install –recheck /dev/sda

/dev/md0 does not have any corresponding BIOS drive

#

# grub

grub> root (hd0,0)

root (hd0,0)

Filesystem type is ext2fs, partition type 0xfd

grub> setup (hd0)

setup (hd0)

Checking if “/boot/grub/stage1” exists… no

Checking if “/grub/stage1” exists… yes

Checking if “/grub/stage2” exists… yes

Checking if “/grub/e2fs_stage1_5” exists… yes

Running “embed /grub/e2fs_stage1_5 (hd0)”… 16 sectors are embedded.

succeeded

Running “install /grub/stage1 (hd0) (hd0)1+16 p (hd0,0)/grub/stage2 /grub/grub.conf”… succeeded

Done.

grub> quit

# reboot