Holland Computing Center Updates

hcc.unl.edu

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Rhino Retirement - Early Notice

by Holland Computing Center

Since 2019, HCC has maintained two HPC clusters - Crane and Rhino. Due to the hardware being well out of warranty and becoming unmaintainable, Rhino is set to be retired as an HCC resource. Rhino served as a way to gain additional compute

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Rhino Downtime Finished

by Holland Computing Center

The August 9th Rhino downtime has ended and Rhino is available for use at this time. Any jobs that were running or in queue as of 10pm yesterday (August 8th) were removed and will need to be resubmitted. Please email us at

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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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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...