Getting Started with Open OnDemand

Open OnDemand is a web-based portal for accessing Seneca cluster from your browser that requires minimal setup. It is convienient for users who are not familiar with command line interfaces. This page covers how to log in and details each section of the dashboards. For details, see the File System, Cluster Info, Job Submission, and Interactive Apps pages.

Logging In

First-Time Login

Before your first login to Open OnDemand, you must access the Seneca Login node from a terminal at least once. See Seneca Cluster SSH

Accessing the Portal

Navigate to Seneca's Open OnDemand https://seneca-ood.cac.cornell.edu/ in a web browser. You will be redirected to Globus for authentication.

On the Globus login screen, select your institution associated with a CAC project with access to Seneca and click Continue. You will be forwarded to your institution's login page. Log in with your institutional credentials, which will redirect you back to the Open OnDemand dashboard.

The Dashboard

Everything in Open OnDemand is accessible from the top navigation bar on the Dashboard.

The Dashboard

Files

The Files menu opens a browser-based file manager for your home directory and BeeGFS. Upload, download, edit, and organize files without leaving the browser. See File System.

Clusters

The Clusters menu gives you a browser-based shell on a Seneca login node and a live system status view. See Cluster Info.

Jobs

The Jobs menu contains Job Composer (for building and submitting batch jobs through a GUI) and Active Jobs (for monitoring the queue and current jobs). See Job Composor.

Interactive Apps

The Interactive Apps menu launches graphical applications (RStudio, JupyterLab, MATLAB, and others) on Seneca compute nodes. See Interactive Apps.

My Interactive Sessions

you can connect to, manage, and end any Interactive App sessions you have launched on the My Interactive Sessions page.

Recently Used

In the dashboard, the recently used applications section shows the most recent applications you have launched. Note that clicking on an application in this list will automatically start a new session with the same slurm job configuration as the last session.