This is a multi-part message in MIME format.
First things first
Debian Wiki - Grub:
apt-get install os-prober
Then edit /etc/default/grub and make sure you have a line like
GRUB_DISABLE_OS_PROBER=false
Finally run update-grub2
On February 14, 2025 1:00:19 PM Rolf Reintjes <
rolf.reintjes@web.de> wrote:
Am 14.02.25 um 20:43 schrieb Matej Marko:
Hello,
I have actually on SSD SATA installed these distributions: Linux Mint,
Ubuntu Desktop, Kubuntu, Lubuntu, KDE neon, Fyde OS. All actuall version.
Screenshots are from KDE neon.
Command sudo update-grub not work correct for me. It finds only Ubuntu
Desktop, no other distributions.
All screenshots are here
https://imgur.com/a/crvLj26 <https://imgur.com/a/crvLj26>
The last distribution you have installed has done grub-install. So sudo update-grub within this distribution will work.
All sudo update-grub from the other distribution will not have any
impact on the grub menue.
So I suppose the last installed distribution does not find the other ones.
What I would do if I were in this situation: run rescue from Ubuntu and
do a chroot to get in Ubuntu. Then run grub-install and see if the other distribution were found.
But the problem remains if that works: Only update-grub from last distribution which did grub-install will have impact. So if you get a
new kernel from updates of one of the other distribution this change
will not get in the grub menue.
I do not know if there is a clean solution for this problem.
My solution for this situation was to have one disk for only one
distribution and having several USB-HDDs to run several different distributions.
Rolf
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<div dir="auto">
<div dir="auto">First things first </div><div dir="auto"><br></div><div dir="auto">Debian Wiki - Grub:</div><div dir="auto">apt-get install os-prober</div><div dir="auto"><br></div><div dir="auto"> Then edit /etc/default/grub and make
sure you have a line like </div><div dir="auto"><br></div><div dir="auto">GRUB_DISABLE_OS_PROBER=false</div><div dir="auto"><br></div><div dir="auto">Finally run update-grub2</div><div dir='auto'><br></div>
<div id="aqm-original" style="color: black;">
<div dir="auto">On February 14, 2025 1:00:19 PM Rolf Reintjes <
rolf.reintjes@web.de> wrote:</div>
<div><br></div>
<blockquote type="cite" class="gmail_quote" style="margin: 0 0 0 0.75ex; border-left: 1px solid #808080; padding-left: 0.75ex;">
<div dir="auto">Am 14.02.25 um 20:43 schrieb Matej Marko:</div>
<blockquote type="cite" class="gmail_quote" style="margin: 0 0 0 0.75ex; border-left: 1px solid #0099CC; padding-left: 0.75ex;">
<div dir="auto">Hello,</div>
<div dir="auto">I have actually on SSD SATA installed these distributions: Linux Mint,</div>
<div dir="auto">Ubuntu Desktop, Kubuntu, Lubuntu, KDE neon, Fyde OS. All actuall version.</div>
<div dir="auto">Screenshots are from KDE neon.</div>
<div dir="auto">Command sudo update-grub not work correct for me. It finds only Ubuntu</div>
<div dir="auto">Desktop, no other distributions.</div>
<div dir="auto"><br></div>
<div dir="auto">All screenshots are here</div>
<div dir="auto">
https://imgur.com/a/crvLj26 <
https://imgur.com/a/crvLj26></div>
</blockquote>
<div dir="auto"><br></div>
<div dir="auto">The last distribution you have installed has done grub-install. So sudo</div>
<div dir="auto">update-grub within this distribution will work.</div>
<div dir="auto"><br></div>
<div dir="auto">All sudo update-grub from the other distribution will not have any</div>
<div dir="auto">impact on the grub menue.</div>
<div dir="auto"><br></div>
<div dir="auto">So I suppose the last installed distribution does not find the other ones.</div>
<div dir="auto"><br></div>
<div dir="auto">What I would do if I were in this situation: run rescue from Ubuntu and</div>
<div dir="auto">do a chroot to get in Ubuntu. Then run grub-install and see if the other</div>
<div dir="auto">distribution were found.</div>
<div dir="auto"><br></div>
<div dir="auto">But the problem remains if that works: Only update-grub from last</div>
<div dir="auto">distribution which did grub-install will have impact. So if you get a</div>
<div dir="auto">new kernel from updates of one of the other distribution this change</div>
<div dir="auto">will not get in the grub menue.</div>
<div dir="auto"><br></div>
<div dir="auto">I do not know if there is a clean solution for this problem.</div>
<div dir="auto"><br></div>
<div dir="auto">My solution for this situation was to have one disk for only one</div>
<div dir="auto">distribution and having several USB-HDDs to run several different</div>
<div dir="auto">distributions.</div>
<div dir="auto"><br></div>
<div dir="auto">Rolf</div>
</blockquote>
</div><div dir="auto"><br></div>
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