The new NSF NCAR Open OnDemand provides an improved web portal for interacting with Derecho and Casper HPC resources through a better user experience and more capabilities. At your convenience, please migrate to Open OnDemand which will replace the JupyterHub portal, scheduled to be decommissioned in December of 2026.

Portal for NSF NCAR Open OnDemand: ondemand.hpc.ucar.edu
Documentation: https://ncar-hpc-docs.readthedocs.io/en/latest/compute-systems/ood