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 <[email protected]> wrote: > On Fri, Sep 14, 2018 at 9:53 AM, D. Joe via talk <[email protected]> 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 Looked at that page earlier - -- its about 7 to 9 years out of date at 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 > [email protected] > https://gtalug.org/mailman/listinfo/talk >
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