This guide walks you through the steps required to access RStudio on the ARC Open OnDemand portal at Virginia Tech.
Use the Ivanti Secure Access Client to connect to the VT VPN.

When prompted, enter your VT PID as the username and your VT password.

Navigate to the following URL in your browser:
This will bring you to the ARC Open OnDemand dashboard.

From the Open OnDemand dashboard, locate the RStudio Server application.

You can choose from three available clusters:
Partitions define the scheduling queues available for a given cluster. Choose the appropriate one based on your selected cluster
Refer to ARC documentation for details:
VT ARC Compute Resources
This refers to your allocation name. For this guide, we use:
plantsinglecell
You can view your active allocations in terminal with:
quota
This sets how long your RStudio session will last. You can choose between 1 to 48 hours.
Choose the appropriate R version available on the cluster.
This defines the number of CPU cores allocated for your session.
Once all fields are configured, click the “Launch” button to start your RStudio session. It may take a couple of minutes to initialize the environment. Once it is ready, you will see a confirmation and a “Connect to RStudio Server” button.
