Installed The Littlest JupyterHub (TLJH) on an LXC Ubuntu 20.04 server instance successfully.
A million thanks to LXD and LXC implementation contributors for your fabulous LXD and LXC, which are shockingly excellent. They’re just WONDERFUL and POWERFUL!
By the way, TLJH only surpport Ubuntu 18.04 and 20.04 now according to the project doc.