Bug#966575: How to fix LLVM/LUKS installs?

[Todd Howe]

I got around to fixing my desktop today. In addition to the instructions I
posted above and the procedure to mount system directories below, there was
only one necessary change:

https://gist.github.com/samuelcolvin/43c5ed2807e7db004b1058d0c9bfb068

That guy suggested used grub-install /dev/sda instead of dpkg-reconfigure
grub-pc.

That worked no problem. Thanks for your help!

Todd

On Tue, 4 Aug 2020 23:04:17 +0100 Colin Watson <cjwatson at debian.org> wrote:
> On Tue, Aug 04, 2020 at 05:08:44PM -0400, Todd Howe wrote:
> > ls /media/root/$UUID
> > apt install grub
> > grub-install --root-directory=/media/root/$UUID /dev/sda
>
> I generally don't recommend this sort of approach.  Instead, and
> simpler:
>
>   for x in dev proc sys; do
>     mount --rbind "/$x" "/media/root/$UUID/$x"
>   done
>   chroot "/media/root/$UUID/$x"
>   dpkg-reconfigure grub-pc
>   exit
>   for x in dev proc sys; do
>     umount -l "/media/root/$UUID/$x"
>   done
>
> (Untested and there may be some minor roadblocks, but this is my usual
> approach; if you do this interactively then hopefully it'll be
> reasonably clear how to make whatever minor adjustments are needed.  I
> think it's essentially just the bind-mounts that you were missing when
> you tried to chroot later on.)
>
> --
> Colin Watson (he/him)                              [cjwatson at debian.org]
>
>
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