(Note, as of this time, that the only partition that the Desktop app can be launched on when computing via Slurm is savio2_htc, as we assume that most GUI usage would be for programs using one or a small number of cores). Fill out the form presented to you and then press "Launch".Click the "Interactive Apps" pulldown and choose the "Desktop", either using a shared node (for exploration and debugging use) or computing via Slurm for computationally-intensive work. Just after logging in with your BRC username and one-time password (OTP), the initial OnDemand screen presents a welcome screen.Furthermore, if you need to use Jupyter notebooks, RStudio, VS Code, or the MATLAB GUI, we provide specialized interactive apps that you should use instead of the OOD Desktop App.īefore getting started, make sure you have access to the Savio cluster, as you will need your BRC username and one-time password to log in. OOD Desktop is intended for use for programs that require GUIs. When possible, you should carry out your computation via the traditional command line plus SLURM functionality. The OOD Desktop App allows you to run programs that require graphical user interfaces (GUIs) on Savio, replacing our previous Visualization node service. Code Server (VS Code) (for code editing using Visual Studio Code).RStudio Server (for working in RStudio sessions).Jupyter Server (for working with Jupyter notebooks).Desktop App (for working with GUI-based programs).You can launch interactive apps from the Interactive Apps menu on the top menu bar. Open OnDemand provides additional interactive apps. Open OnDemand allows Savio shell access from the top menu bar under Clusters > BRC Shell Access. This includes jobs started via sbatch and srun as well as jobs started (implicitly) via Open OnDemand (as discussed above). View and cancel active Slurm jobs from Jobs > Active Jobs. We recommend using Globus for large file transfers.Upload and download files from the Savio filesystem to your computer.Create and delete files and directories.Using the Files App, you can use your web browser to: Files App ¶Īccess the Files App from the top menu bar under Files > Home Directory. Here are the services provided via Open OnDemand. View all currently running jobs under Jobs > Active Jobs.View currently running (and recent) sessions launched by Open OnDemand under My Interactive Sessions.Since Open OnDemand submits jobs through Slurm, you can monitor usage as you would monitor your regular Slurm jobs. ![]() When you are done, you may stop an interactive session by clicking "Delete" on the session. You can view all currently running interactive sessions under My Interactive Sessions. The interactive session may still be running even if you do not have it open in your web browser. The job starts running as soon as a node is allocated for the job. Job time is counted for interactive sessions as the total time the job runs. These should be treated like login nodes (that is, no intensive computation is allowed). testbed0 are shared nodes that are provided for low-intensity jobs. Interactive sessions running on nodes whose hostnames ending in. ![]() ![]() Since these are just Slurm jobs, service units are charged for interactive sessions the same way normal jobs are charged. ![]() Open OnDemand refers to these jobs as "interactive sessions." Open OnDemand apps may launch Slurm jobs on your behalf when requested. INCORRECT username format: Unit Charges ¶.The username is only your BRC username and should not include the part after any sign.These are the same credentials you use to login to Savio via SSH.Use your BRC username and PIN+one-time password (OTP).Please let us know if you run into problems or have suggestions or feature requests. The Open OnDemand service is a relatively new service. Terminal/shell access (under the "Clusters" tab).We now provide various interactive Apps through the browser-based Open OnDemand service available at. Resources for working with sensitive data Securing your computing and storage systems Tips on Providing an Informative Help Request Using Jupyter Notebooks, RStudio, and Other Open OnDemand Apps Running MATLAB jobs across multiple nodes Transferring Data Between Savio and Box or bDrive Making files accessible to group members and other Savio users
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