You've been typing the wrong commands for years. Linux moved on, and nobody bothered to tell you.
Ubuntu zfsbootmenu install script This script creates an Ubuntu installation using the ZFS filesystem. The installation has integrated snapshot management using sanoid. Snapshots can be rolled back ...
To use the installation scripts, simply run this command as root. This script will ask you what you want to install with a few simple steps Arclight fork updated to 1.19.3 Spigot fork updated to ...