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The Interactive Apps drop down contains items to launch certain GUI environments on Teton 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 desktops. Once you have submitted the job, your job will be queued and when resources are available you will be provided a “Launch Teton XX Desktop” button. clicking Clicking this button will open a new browser tab and the GUI will be displayed.
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