SOLVED Re: Trusty LTS install does not boot

[Tom H]

On Mon, Aug 11, 2014 at 3:10 PM, Kevin O'Gorman <kogorman at gmail.com> wrote:


> 1, Boot a live Linux disk. The desktop install from any recent *Ubuntu
should do nicely.
> 2. Open a terminal. The rest is all shell commands.
> 2. sudo -i # All the rest needs to be root, and this saves some typing
> 3. mount /dev/sd?? /mnt # where the ?? stands for the partition you want
to boot to by default.
> 4. mount --bind /dev /mnt/dev

"mount --rbind ..." is better in order to have "/dev/pts" in the chroot. I
don't know whether it still matters, but in the past you'd have errors
without it.


> 5. mount --bind /proc /mnt/proc
> 6. mount --bind /sys /mnt/sys

It's probably better to us "mount --rbind ..." because there are now many
subdirectories of "/sys" that are special mounts. I don't know whether
they're needed in a chroot but this is what Gentoo advises for its chroots.


> 7. mount --bind /srv /mnt/srv # You're now ready to chroot

Why "/srv"? You might or might not need it on your system but it's
definitely not needed on a default install.


> 8. chroot /mnt /bin/bash - # or accept the default shell

root's default shell.


> 9. update-grub # verify that it finds the stuff you want to boot
> 10. grub-install /dev/sd? # where the ? names the disk your system boots
from. May not be sda, depending. For me it was /dev/sdb
> 11. /sbin/shutdown -r now
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