From FarmShare

Using Mathematica on Farmshare:

• I ssh with X11 forwarding:

 ssh -X chekh@corn.stanford.edu

• I load Mathematica env vars:

 module load Mathematica-9.0.1

• I check which mathematica that points me to:

 which mathematica

• I run mathematica GUI:

 mathematica

If you get a licensing error, check if you have a file ~/.Mathematica/Licensing, if you have a 'mathpass' file there, delete it.