Holland Computing Center Updates

Removal of Oracle Java from HCC systems

by Holland Computing Center
In accordance with University policy regarding a recent change in Oracle Java licensing, all system-wide Oracle Java installs will be removed from HCC systems no later than August 1st, 2024. All individual use of Oracle Java on HCC systems
Announcement
Anvil
Swan
Software

CryoSPARC now available via Swan Open OnDemand

by Holland Computing Center
HCC is pleased to announce that CryoSPARC is now available via Swan's Open OnDemand portal. Swan is HCC's newest supercomputer and Open OnDemand is a web-based interface to Swan that runs entirely in a browser. CryoSPARC is a complete
New
Announcement
Software

Maintenance Downtime Update

by Holland Computing Center
All HCC resources at our PKI datacenter including Swan, Anvil, Attic, and Globus are now available for use. Users with Anvil VMs will need to power those on via the anvil.unl.edu web interface. The final part of the power infrastructure
Maintenance

Swan now available for use!

by Holland Computing Center
New
Swan
Announcement
HCC is launching its newest cluster, Swan, for general use by the University of Nebraska community. Swan expands HCC's computing resources greatly, having nearly 3-4 times the computing power Crane's hardware provided while occupying less

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  The Notebook app has been superseded by the Jupyter Lab environment, which provides all the functionality of Notebook and more.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