How to Install Ubuntu MATE 20.04 LTS (64-bit) on the Raspberry Pi 4 with remote desktop and zfs backup
sudo apt install ubuntu-mate-desktop
sudo apt install xrdp -y
sudo apt install tightvncserver -y
** More information related to raspberry pi4 zfs backup with sanoid
https://www.reddit.com/user/kaihp/comments/fyhxdj/howto_setting_up_a_raspberry_pi_4_to_pull_backups/
Source
https://william-weng.github.io/
https://homenetworkguy.com/how-to/install-ubuntu-mate-20-04-lts-on-raspberry-pi-4/
https://ubuntu.com/download/raspberry-pi