Understanding the Login Node

Audience: Faculty, Postdocs, Researchers, Staff and Students

This KB Article References: High Performance Computing
This Information is Intended for: Faculty, Postdocs, Researchers, Staff, Students
Last Updated: June 28, 2018

The login node provides an external interface to the SeaWulf computing cluster. The login node is for developing and compiling source code, preparing submission scripts for the batch queue, submitting and monitoring jobs in the batch queue, analyzing results, and moving data. It is NOT appropriate for running computational jobs - to do this use the batch queue. If necessary, you can request an interactive session by following this guide: https://it.stonybrook.edu/help/kb/interactive-shell


If you have an account on the cluster, you can access the login node via ssh: see Logging in to Seawulf.

For more information about submitting batch jobs, see How do I use the batch processing system?


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