To redirect X11 to your Mac, ssh into the Unix like system that supports X11 redirection, using the -X option:

#ssh -X username@hostname

Once logged in, run the command whose GUI you want displayed on mac. If you get an error message like below:

“X11 connection rejected because of wrong authentication.”

Follow the steps defined here.
(Basically, you need to make sure that ~/.Xauthority is owned by you and that “grep X11Forwarding /etc/ssh/sshd_config” shows that X11 forwarding is enabled.)