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Click to start
OnDemand interactive applications can be launched from OnDemand with graphics, similar to a remote desktop that only launches the application.
After logging into OnDemand on your favorite ARCC HPC resource, you can request a Jupyter Session by clicking on the app from the main Dashboard:
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Fill out the Jupyter Session Request Form
After clicking the jupyter app, you are taken to a web form to tailor and specify the Jupyter environment you’d like to run in your session
Jupyter Interface: Select from Jupyter Notebook or Jupyter Lab
Account: The associated investment account or project you’re using to run the session
Number of hours: How long you plan to use the notebook
Number of Nodes: how many nodes you want allocated to perform work while using this notebook.
Number of CPUs: how many cores you will need access to perform your work while using this notebook.
Amount of Memory: Memory in GB required to run throughout the course of this Jupyer session
GPU Type: Which GPU hardware you’d like to perform your work in the Jupyter Notebook or Lab on
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Your interactive sessions
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When you click launch, you’re redirected to a page showing a list of your most recent interactive sessions.
The Slurm scheduler assigns a compute node with a specified number of cores, memory, hardware and timeframes as requested from the input you provided in your webform.
When your session is ready for use, the heading will turn green.
Completed sessions are denoted with gray headings
Pending sessions are denoted with blue headings
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Connect to your session
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To open Jupyter, click on the connect button within the active session
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You will be directed to a Jupyter notebook or lab environment to start using Jupyter!
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Initial Screen Navigation and Options
Upon connecting, you are presented with the main Jupyter Labs screen and options:
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Drop-Down Menu Bar
Has top-level menus that expose actions available in JupyterLab with their keyboard shortcuts. The default menus are:
JupyterLab extensions can also create new top-level menus in the menu bar. |  |
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Left Sidebar
Left Sidebar will have a number of default options upon launch.
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Right Sidebar
Property inspector (active in notebooks)
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Main Work Area
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Information Dock
Found along the bottom of your Jupyter Lab window, the information dock contains a few informative displays that are always visible throughout your JupyterLab Session |  |
View Toggle (Toggling simple “on” removes tabs for just one main/active work area. This makes it look more like a traditional Jupyter Notebook) |  |
Active Count
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Active work area:
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Notifications: Notifies users of possible updates or other JupyterLab news |  |
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Running a Console Kernel
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Loading User Defined Kernels from Conda Env |