[GTALUG] Boot setup issues

[Don Tai]

On a test machine I had installed Debian Enlightenment. first, and then
Manjaro second. Manjaro screwed up the booting. I repeatedly used the
Ubuntu Boot Repair disk to get me unstuck. The Boot Repair disk is Linux
agnostic.

Don

On Fri, 14 Sep 2018 at 12:24, o1bigtenor via talk <talk at gtalug.org> wrote:

> On Fri, Sep 14, 2018 at 9:53 AM, D. Joe via talk <talk at gtalug.org> wrote:
> > On Fri, Sep 14, 2018 at 09:22:20AM -0500, o1bigtenor via talk wrote:
> >> Greetings
> >>
> >> I want to have two different copies of debian on one box with the
> >> choice of which when I boot in.
> >
> > [...]
> >
> >> So I've installed both of these systems (more than once each) they
> >> have their own partitions for everything but boot and efi yet I'm only
> >> seeing one system available on grub (depending upon the last install
> >> as to which).
> >
> >> So I'm doing something wrong!! I tried using grub
> >> updating tools (# os-prober) still no joy. The web pages that I'm
> >> finding seem to be for an older version of grub and, as usual, I'm
> >> finding man pages are like reading cuneiform (which I find
> >> unintelligible).
> >>
> >> This is likely something quite simple but I'm just not seeing it - - -
> >> please - - - some ideas/pointers?
> >
> > To the best of my understanding, these tools are built with the
> assumption that one wants to run just the OS that invokes them.
> >
> > Although the Debian wiki has some hints
> >
> > https://wiki.debian.org/Grub
>
> Looked at that page earlier - -- its about 7 to 9 years out of date at
> this point. The information there is current for grub 0.97 and
> I'm on 2.xx and there are enough differences so that I am not sure if
> the ideas presented there wouldn't even make things worse.
> >
> > this seems to be more direct
> >
> >
> https://askubuntu.com/questions/16042/how-to-get-to-the-grub-menu-at-boot-time
>
> Not really the issue - - - sorry.
> >
> > Are you hitting shift during boot time to get the grub menu, from which
> you might then be able to select amongst configured choices?
> >
> > If your successful bringing up the boot-time menu, but it isn't
> configured to offer you the choices after holding down shift, you may have
> to muck around in /etc/default/grub from which update-grub et al seem to
> take their lead.
> >
> > Take some care to dig into the boot time menu, I'm starting to see only
> the default (eg, the most recently installed OS) as the obvious choice at
> the grub top level menu during boot time, with other options buried in a
> submenu. (Sorry not to be more specific about how those appear--I'm
> favoring a quicker response over booting up a VM to see more exactly what
> the strings presented are).
>
> When you have multiple operating systems you get choices, even when
> you have mutliple versions of one system you can have options.
> I'm just not seeing the option(s) for the second system. Was told that
> there is a grub.conf file so that's where I'm going to be looking pdq.
>
> Thanks for the ideas.
>
> Dee
> ---
> Talk Mailing List
> talk at gtalug.org
> https://gtalug.org/mailman/listinfo/talk
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://gtalug.org/pipermail/talk/attachments/20180914/0c0763b3/attachment.html>