The Littlest JupyterHub (TLJH) can run on any server that is running Debian 11 or Ubuntu 20.04 or 22.04 on a amd64 or arm64 CPU architecture. Earlier versions of Ubuntu and Debian are not supported, nor are other Linux distributions. We have a bunch of tutorials to get you started.
Tutorials to create a new server from scratch on a cloud provider & run TLJH on it. These are recommended if you do not have much experience setting up servers.