I find the i3 documentation excellent. On Ubuntu Mate, when you install i3, the login manager let you select it. There is nothing special to do. i3 doesn't wo

I find the i3 documentation excellent. On Ubuntu Mate, when you install i3, the login manager let you select it. There is nothing special to do. i3 doesn't work on wayland. I have heard sway is a great alternative. I will have to try it one day!