Resintalling grub from single user mode


While surfing the web this weekend, I came across the following procedure for reinstalling grub from the command line:

​1. Boot the system from an installation boot medium.

​2. Type linux rescue at the installation boot prompt to enter the rescue environment.

​3. Type chroot /mnt/sysimage to mount the root partition.

​4. Type /sbin/grub-install /dev/hda to reinstall the GRUB boot loader, where /dev/hda is the boot partition.

​5. Review the /boot/grub/grub.conf file, as additional entries may be needed for GRUB to control additional operating systems.

​6. Reboot the system.

This is useful stuff, and having it handy can save you time you get into a bind.

This article was posted by Matty on 2006-04-30 21:06:00 -0400 EDT