How-to Run an X11 application

A wrapper script has been created to run X11 applications, called idev (interactive-development), or nicknamed xrun.  This has been installed into /usr/local/bin on login and compute nodes.

To use it, do the following steps:

1. Install an X11 server on your desktop or laptop, e.g. "Xming" on Windows, or "XQuartz" on MacOS. 

2. SSH to one of the Talapas login nodes (talapas-ln1.uoregon.edu) with X11 forwarding enabled:

   1. If using the Putty SSH client on Windows, make sure that the X11 forwarding box is checked.

   2. If using MacOS or Linux, connect using ssh -Y

3. Once on a Talapas login node, you have two options available, xrun or srun.

   1. DEPRECATED: Using xrun, you can pass many of the same arguments to xrun as you can to srun.

   2. Using srun, use the --x11 flag (available in the Slurm 17.11 module)

4. Launch your X11 application, e.g. type xclock