On Tue, 4 Jun 2024 22:15:33 +0200, Patrick Dupre via users wrote:
I guess that when I run grub2-mkconfig there was a UBS key what connected on the usb poer.
I made some progresses, but not enough I mounted the Fedora 40 / and cp -a /mnt/fedrao40/boot/loader/entries/* /boot/loader/entries
cat /boot/loader/entries/dcdc9ed7e87243ec91d6d876cf7c3384-6.8.9-100.fc38.x86_64.conf
Oh no! Messing up the installation isn't helpful. I've assumed you only wanted to analyze the grub.cfg file, since grub2-mkconfig clearly found a Fedora 40 installation. If not via os-prober (you can run that yourself, btw, to verify), then via the 10_linux section.
Anyway,... the exact scenario still isn't clear to me. It's an upgrade of F38 to F40, but why did you want to run grub2-mkconfig yourself?
Because, the grub boot did not show the updated installation (F40)
And you run grub2-mkconfig with F38, but it doesn't create a working config file? What happens to the boot menu afterwards?
I can run grub2-mkconfig from both. In the grub.cfg from F38, Fedora 40 is missing but the grub.cfg from F40 may be OK. Hence, I can 1) replace grub.cfg from F38 by that of F40 2) Edit grub.cfg from F38 by adding a correct insert (DO NOT EDIT THIS FILE) 3) Edit /etc/grub.d/40_custom by adding a similar sequence
But I guess that it will do something similar to /boot/loader/entries/dcdc9ed7e87243ec91d6d876cf7c3384-6.8.11-300.fc40.x86_64.conf
Samuel S said
Number Start End Size Type File system Flags 2 1049kB 470MB 469MB primary ext4 boot 3 470MB 25.4GB 24.9GB primary ext4 4 25.4GB 82.0GB 56.6GB extended 5 25.4GB 82.0GB 56.6GB logical ext4
You don't have an EFI partition on this disk. It's not even a GPT partition table. So both installations will be fighting over the EFI partition on sda. And there's no easy way to add a boot entry for this installation.
1) I guess that gpt is not need by a small disk, 2) I can manage this disk partition, adding an efi partition (or other) if necessary.
I am waiting recommendation, and I will do the changes.
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