Re: Stupid question
12 Feb 2022, 19:04 by hans.ullrich@loop.de:
> Dear list,
>
> I am thinking of a solution of a problem. But I have an understanding problem,
> maybe you can give some background knowledge.
>
> The problem: I have one harddrive, there are two linuces installed.
>
> The partitions are as followed:
>
> kali-linux: 1st primary -> /boot
> 2nd > /
>
>
> debian 3rd primary -> /boot
> 4th logical > /
> > swap
> > /home (encrypted)
> > /usr (encrypted)
> > /var (encrypted)
>
>
> This is the structure, and as said before, only ONE drive.
>
> Now my question: Is it possible to configure grub that way, that I can choose
> either kali or debian to boot?
>
> What I might to know, please correct me:
> Both are running different kernels. As far as I understood grub, I can set the
> root partition ( / ) with the UUID. This is an entry in grub.cfg and maybe in
> /etc/default/grub.
>
> But how can I tell grub, to use the kernel of the second /boot?
>
> I dunno, if it is possible at all, to get a dual boot, the way I want it. With
> a combination of Windows + Linux on one harddrive this is working, however,
> just because grub does not touch the windows bootloader (as fas as I know),
> and what of course is also working, if you got two harddrives, each with
> different linux. They all can be booted from one grub installation, of course.
>
> Maybe I could find a solution, if I would have fully understood how grub is
> working, and what it is doing.
>
> Any hints are welcome, and if this does never work at all, please drop me a
> line.
>
This will work without any problems, despite what I see as unusual partitioning.
You would have no need to configure Grub, but you would need to re-enable OS-prober, which would do it for you.
Cheers!
Harry
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