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Overview
Normally, compute nodes are only accessible to programs or jobs submitted as batch scripts to the scheduler. This mode of operation is ideal for well-understood research computing pipelines but may need to be approached more piecemeal through interactive sessions on compute nodes. This page documents how to obtain interactive shell sessions on compute nodes. Note that interactive graphical sessions are available through the webapp.
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Once the session launches, you can begin using the system through the terminal window.
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X11 Forwarding is Automatic
If you need to run an X11-based program, launch an interactive session and run the program from within that terminal session.
This will automatically use the X11-forwarding feature built into your shell (in the case of Linux). On MacOS and Windows, using X11 apps natively on your workstation desktop may require an X11 client (such as Xquartz or Cygwin/X. The setup and use of these applications are beyond the scope of this document. Alternatively, you can therefore use the Research Computing supported clients X2Go and the web app.
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Interactive Session Options
The interactive command will work with many of the same options and switches as other slurm job-launching commands. This is because interactive is an sbatch job under the hood. Any option that would be passed within a sbatch script or to the sbatch command itself will be accepted by interactive and will override its defaults.
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interactive -c 8 -N 1 -t 0-4:00 |
Additional Help
If you require further assistance on this topic, please don't hesitate to contact the Research Computing Team. To create a support ticket, kindly send an email to rtshelp@asu.edu. For quick inquiries, you're welcome to reach out via our #rc-support Slack Channel or attend our office hours for live assistance
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