Re: How to secure Grub control from other distro?

[raingloom]

On Mon, 07 Dec 2020 22:31:47 +0000
znavko--- via <help-guix@gnu.org> wrote:

> Hello! I have two distros on my PC:
> on /dev/sda - Guix
> on /dev/sdc - Ubuntu
> 
> Today, after update and upgrade of newly installed Ubuntu and also
> after installation of lubuntu-desktop and lxde on ubuntu, I was
> unfortunately grieved. Lubuntu had recovered my Grub and had broken
> everything! I was need to boot into Guix with grub command line and
> make `guix system reconfigure /etc/config.scm` for to get my Grub
> controlling by Guix again!
> 
> I have a question. Have I any possibility to secure and save my Grub
> from other buggy distros i may setup on other ssd in my pc?
> 
> I think it will be hard to fight with ubuntu or debian or some other
> distro not to touch Grub.

My guess is that there is no universal way. Maybe remove the grub
package from Ubuntu? I don't have anything Debian based to test it
with, but I think that would disable the upgrade hooks that run
grub-mkconfig.