What I was doing before this happened?: I was tinkering trying to setup X server so I can open an app's GUI remotely so I installed "X Window System", "xclock" and uncommented "# ForwardX11 yes" ...
How do you allow a user to log in using "su - user" but prevent the user from login in using SSH? I tried to set the shell to /bin/false but the when I try to su it doesn't work. Are there several ...