grub

Fix grub issues

Boot from linux DVD or CD into rescue mode

boot: linux rescue

Linux installation will be available at special directory called /mnt/sysimage

Prepare system for grub installation, chroot command allows to run rest of all *COMMAND* with root directory set to NEWROOT called /mnt/sysimage

# chroot /mnt/sysimage
# cd /boot/grub

Check bootloader installation location

# grep '#boot' grub.conf

boot=/dev/sda

Reinstall Grub into sda

# grub-install /dev/sda

Reboot

# reboot