LPI
201-450 · Question #133
A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CD-ROM, how can the lost GRUB first stage loader be recovered?
The correct answer is D. Run grub-install after verifying that grub.conf is correct. See the full explanation below for the reasoning.
203 System Startup
Question
A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CD-ROM, how can the lost GRUB first stage loader be recovered?
Options
- AUse dd to restore a previous backup of the MBR
- BInstall LILO since there is no easy way to recover GRUB
- CRunning mformat will create a new MBR and fix GRUB using info from grub.conf
- DRun grub-install after verifying that grub.conf is correct.
- ERun fdisk --mbr /dev/had assuming that the boot harddisk is /dev/hda.
How the community answered
(43 responses)- A2% (1)
- B5% (2)
- C2% (1)
- D84% (36)
- E7% (3)
Topics
#GRUB recovery#MBR#grub-install#boot loader
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