Holland Computing Center Updates

hcc.unl.edu

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Crane Retirement - Notice

by Holland Computing Center

Since 2013, HCC has operated and maintained multiple generations of the Crane HPC cluster alongside other HPC clusters. Due to the original hardware being well out of warranty and becoming unmaintainable, Crane is set to be retired as an

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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 The Notebook app has been superseded by the Jupyter Lab environment, which provides all the functionality of Notebook and more.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

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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

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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

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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

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Standalone JupyterHub and Sandstone deprecation on Monday, Dec. 21

by Holland Computing Center

As previously announced, the standalone JupyterHub/Sandstone interfaces available via the web at crane.unl.edu and rhino.unl.edu will be deprecated and removed on Monday, December 21st. Current and future Jupyter notebooks will...

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Standalone JupyterHub and Sandstone deprecation

by Holland Computing Center

Dear HCC User Community, The standalone JupyterHub/Sandstone interfaces available via the web at crane.unl.edu and rhino.unl.edu will be deprecated and removed following the conclusion of the Fall Semester in late December. Current...

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Open OnDemand now available

by Adam Caprez, Applications Lead

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...

Open OnDemand now available

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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...