Holland Computing Center Updates

Jupyter Notebook App Retirement

by Holland Computing Center
The Jupyter Notebook app on Crane and Rhino’s Open OnDemand will be retired on May 20th, 2022.  The Notebook app has been superseded by the Jupyter Lab environment, which provides all the functionality of Notebook and more.  All notebooks
Crane
Rhino
Announcement
Software

Crane: Returned to Service

by Holland Computing Center
The Crane resource is available for use once again after a much needed downtime to upgrade the base operating system to CentOS 8. If you encounter any issues or have any questions please contact us at [email protected]. The main methods
Crane
Announcement
Maintenance

Crane: Downtime Update

by Holland Computing Center
While there was intent to have Crane available for general use no later than today (Monday April 12th) some unfortunate hardware failures over the weekend and this morning have made it necessary to postpone opening Crane until tomorrow
Crane
Announcement
Maintenance

Crane: Extended Downtime Announcement

by Holland Computing Center
The CRANE cluster will undergo an extended downtime beginning April 5th. This downtime will be used to upgrade the operating system used on the cluster from an EL6 base to an EL8 base. While it has served us well for over half a decade, the
Crane
Announcement
Maintenance

Open OnDemand now available

by Adam Caprez, Applications Lead
Announcement
Improvement
Crane
Rhino
HCC is pleased to announce the availability of the Open OnDemand interface for the Crane and Rhino clusters. Open OnDemand (OOD) is an NSF-funded open-source HPC portal with the goal of providing an easy to use web-based interface to...

New ticketing system live

by Adam Caprez, Applications Lead
Dear HCC User Community, HCC has made the switch to the new ticketing system and it is live. Emails to [email protected] will automatically go into the new system. If you have a currently open ticket with the old system, you may...
Announcement
Improvement

Ticketing system switch

by Adam Caprez, Applications Lead
Dear HCC User Community, HCC will soon switch to a new ticketing system to track support requests. We are planning to make this change at the beginning of next week, coinciding with the start of the new semester. The hcc-support@unl...
Announcement
Improvement

Crane: GPU expansion available for use

by Adam Caprez, Applications Lead
HCC is pleased to announce a major addition of GPU resources to the Crane cluster, funded by a recent Nebraska EPSCoR award. This expansion consists of 21 GPU-enabled nodes, each with 2 x Nvidia Tesla V100 cards with 32GB RAM. This...
Announcement
Crane
Improvement

Rhino: JupyterHub available for use

by Holland Computing Center
JupyterHub is now available for use on Rhino. To access it, go to https://rhino.unl.edu in your browser and sign in with your HCC credentials. A basic set of kernels has been provided, including Python, R, SAS, and MATLAB. If you...
Announcement
Rhino
Improvement