I've been struggling with my Ubuntu file server the past few weeks getting it to boot reliably. This server has been running pretty smoothly until I upgraded to 9.10 (and then 10.04 in desperation) ...

Ubuntu 26.10 plans to strip ZFS, Btrfs, LVM, and LUKS encryption from the signed GRUB bootloader to improve security.

This guy wanted to be able to remotely decrypt the boot drive on a power-off reboot, so he could SSH back in and use it normally. Since initramfs is basically a full blow OS, he installed & configured ...