@yuki2501 mount your Ubuntu install under, say, /mnt, mount your boot partition on /mnt/boot, then chroot /mnt, if you regenerate your grub config from there it should work
Yuki "neige d'aout" Hazuki 膤 ❄️ :heart_trans:
@yuki@im-in.space
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And now, for the long awaited sequel to "botched Ubuntu update": "Botched grub config"! -
I lost sudo package and su was for some reason disabled while I was upgrading Ubuntu to 25.10@yuki2501 add
singleorystemd.unit=rescue.targetto the kernel command line from grub, that should workor if anything you can boot from a CD and chroot to your Ubuntu install