Pitzer

Rolling Reboot for Security Fix

A rolling reboot is in progress to address CVE-2026-23111 for all clusters, including Ascend, Cardinal, and Pitzer. Login nodes will be rebooted first and access will be temporarily disrupted. Compute nodes will reboot in a rolling fashion; running jobs will not be impacted. See: https://www.osc.edu/resources/technical_support/known_issues/rolling_reboot_for_security_fix

System Downtime May 12 2026

A downtime for OSC HPC systems is scheduled from 7 a.m. to 9 p.m., Tuesday, May 12, 2026. The downtime will affect the Pitzer, Cardinal and Ascend Clusters, web portals, the state-wide licenses and HPC file servers. MyOSC (the client portal) will be available during the downtime. In preparation for the downtime, the batch scheduler will not start jobs that cannot be completed before 7 a.m., May 12. Jobs that are not started on clusters will be held until after the downtime and then started once the system is returned to production status.

IQmol

IQmol is a molecular visualization tool used to view, analyze, and create high-quality 3D images of chemical systems, including small molecules and quantum chemistry results.

Availability and Restrictions

Versions

The following versions of IQmol are available on OSC clusters:

Code Server

Code Server provides a browser-based instance of Visual Studio Code, enabling users to write, edit, and run code directly on OSC cluster resources without local installation.

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