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SouthPass is ARCC’s implementation of OnDemand. It is a publicly accessible site for access to ARCC’s High Performance Computing resources. With OnDemand, you can upload and download files; create, edit, submit, and monitor jobs; run GUI applications; all . All aforementioned functionality is available via a web browser, with no client software to install and or configure.
Ondemand Requirements
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Note: Job composer script is limited in size and defaults to approximately 65kb. If your job script is larger than this 65kb then it will not be accepted.
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The Interactive Apps drop down contains items to launch certain GUI environments on Beartooth compute nodes (this has limited node support). You will get a complete Linux desktop when you submit the job and connect to the environment. Currently supported GUI environments are Mate and Xfce desktopsARCC currently supports the Xfce desktop GUI environment within SouthPass. Once you have submitted the job, your job will be queued and when resources are available you will be provided a “Launch Beartooth XX Desktop” button. Clicking this button will open a new browser tab and the GUI will be displayed.
You should properly close out the Desktop when you no longer need it. This can be down by using the GUI logout feature or using the Delete button on the job page. This releases all requested resources back to the the system. You should also occasionally delete any old jobs as they are left in your home directory. This can Not doing so may lead to your home directory quote quota being consumed.
Servers (Applications)
The interactive server part of the Apps drop down contains items to launch certain GUI applications interactively on different Beartooth cluster compute resources. One then gets a fully functioning application on the requested compute resources. Some of the currently supported applications include:
Jupyter Lab and Notebook
MATLAB
Known Issues
Custom prompts may not show up in the shell windows. To get the prompts you can remove the PS1 setting from your .bashrc or manually reset the PS1 variable in the shell window.
On the desktop launch windows the Compression and Image Quality sliders fail to show the current setting in the slider as detailed at https://github.com/OSC/ondemand/issues/1384
While using the XFCE Interactive Desk, clicking on Home / File System desktop icons.
Resolve: Remove the
.gvfsfolder in your home folder.
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