Build the GRUB Config The next step was to build a GRUB config that would mount the ISO loopback and boot off the kernel and initrd file within that ISO. On Debian-based systems, you can add bash ...

On many Linux systems the boot process sees the usual BIOS screen, followed by Grub. The Grand Unified Bootloader (Grub) takes over from our BIOS and offers the user a choice of OS options and ...

The -p 9 is the number of the new EFI partition you created. There is a much simpler approach to moving/recreating the EFI boot directory to avoid this conflict, using the Linux grub-install command.

Once you've got Linux up and running, fix your menu.lst by running update-grub.<BR><BR>EDIT: Hmm, I seem to remember that update-grub is a Debian-specific thing.

On the one hand, if you are familiar with GRUB commands, you can boot more less any device you want on the fly with the right incantation. On the other hand, it can be a pain to type in GRUB commands ...

Linux: We've shown you how to clean up your messy boot menu in Ubuntu, but if you don't want to remove old kernels entirely, free program Grub Customizer will clean up your boot menu in no time.