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   !epp-theory02.slac.stanford.edu

Mathematica from outside SLAC

There are three options to use Mathematica if you are outside the SLAC network:

  • Obtain a Home License
    As stated before the number of Home Licenses available is quite limited.
  • Access License Server via VPN To SLAC Network
    By following the instructions in VPN To SLAC you can remotely work as if you were on the SLAC network.
    Therefore, while the VPN is active, you can activate Mathematica by following the instructions in the License Server section above

  • SSH tunnel for Mathematica AuthenticationWhile the VPN option is convenient for authenticating Mathematica from outside SLAC, it has the drawback that it requires an active VPN connection and that tunnels ALL your network traffic through SLAC.
    This can cause slowdowns while using network intensive tools like Zoom.
    A more refined way of obtaining the Authentication through the epp-theory02 license server is to create an ssh tunnel only for the port that the license server is listening to.
    The way to achieve this may vary from system to system, but on a standard Ubuntu20.04 machine you can achieve this via the following command
        ssh -L 16286:127.0.0.1:16286 your-slac-username@slacEPP2

    This In order for this to work you need to have configured ssh to use one of the gateway machines as a proxyJump to epp-theory02. Instructions on how to setup a proxyJump can be found