VNC connect from Mac OSX El capitan to Ubuntu Linxu

Edit 2016-11-05

This is actually trivial, here are the steps.

1. On the remote Ubuntu "workstation", run
   $ vncserver
2. On the home Mac machine, run your favorite SSH tunnel
   $ ssh -t -L 5901:localhost:5901 workstation
3. Open up the vnc screen in a Mac window
   
   $ open vnc://localhost:5901