How to chroot from a Ubuntu LiveCD

For the sake of posterity, the following commands will allow you to login to an otherwise unbootable Linux install and run commands from the install on the hard drive:

sudo fdisk -l
sudo mount /dev/sda6 /mnt
sudo mount --bind /dev /mnt/dev
sudo mount --bind /proc /mnt/proc
sudo mount --bind /sys /mnt/sys
sudo chroot /mnt /bin/bash

With thanks to this part of the Ubuntu wiki.

For those are are interested, I managed to break my 64 bit install of Karmic 10.04 on my brand new Asus laptop by activating the proprietary (Nvidia) drivers when the install offered. After Usplash I see now is a black screen, however the system is working. Installing the version from Nvidia’s website did not help. Deleting xorg.conf (and forcing the system to use the fall-back VESA driver) worked.

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