- User & Groups: https://wiki.ubuntuusers.de/Benutzer_und_Gruppen/
- Change the UID and GID of a user/group: https://www.thegeekdiary.com/how-to-correctly-change-the-uid-and-gid-of-a-user-group-in-linux/
- How to Install and Configure an NFS Server on Ubuntu: https://www.tecmint.com/install-nfs-server-on-ubuntu/
- How to Enable SSH on Ubuntu: https://linuxize.com/post/how-to-enable-ssh-on-ubuntu-20-04/
- Howto mount USB drive in Linux: https://devconnected.com/how-to-mount-and-unmount-drives-on-linux/