How to replace X-org display server with Wayland?

Would like to replace X-org display server with Wayland on 18.04 for testing purposes.

  1. Is there a command line procedure for achieving this?

I’m aware that there is an option for this on the login screen but have installed 18.04 to auto login so no option available.

or if not possible…

  1. Is there a way to revert to the password login screen from an auto login set up?

Any help greatly appreciated…

MATE doesn’t support Wayland yet. I believe there is an optional session in standard (ie GNOME) Ubuntu, but not Ubuntu MATE.

Thanks for that information. Wasn’t aware the the optional session was only available in standard Ubuntu.