Cause: your /boot is full or too small grub-install: Fehler: »/usr/lib/grub/x86_64-efi- signed/grubx64.efi.signed« kann nicht nach »/boot/efi/EFI/ubuntu/grubx64.efi« kopiert werden: Auf dem Gerät ist kein Speicherplatz mehr verfügbar.
$ df -h /boot better keep it no more than 60% full to make some space you have to uninstall oldest kernel List installed kernels # dpkg -l linux-* | grep ^ii check your current kernel level # uname -r Uninstall kernels keeping current one and maybe one level older too # apt purge linux-image-VERSION-generic linux-modules-VERSION-generic linux-modules-extra-VERSION-generic with VERSION the kernel versions that you are not currently using (dont remove the one shown by uname -r) then recheck /boot size # df -h /boot then try upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1915334 Title: Install of 20.10 fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1915334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
