I accidentally created another post about this topic, but included more details there. Here are the extra details –
Wayland is not running on either. It shows X11 (x.org). I don’t have multiple users logged in. All machines have default Gnome desktop environment installed – Gnome 3.36.8.
I have spent all day troubleshooting this. The only thing of interest is that the server in my LAN shows :0 and run level 5 when a who -a command is issued in the terminal. I did configure this machine a few years ago. The Linode server shows two tty users and run-level 3. This machine was created a couple months ago.