Temporary Login Node Instability on Ascend

We are currently experiencing temporary instability on the Ascend login nodes.

Rolling Reboot for Security Fix

A rolling reboot is in progress to address CVE-2026-23111 for all clusters, including Ascend, Cardinal, and Pitzer.

OnDemand service is not available

Category: 
OnDemand
Resolution: 
Resolved

Update:

OnDemand service is available again.

Original post:

OnDemand service is not available and won't let users log in. We are working to fix it as soon as we can. Meanwhile, please use ssh to connect to our HPC systems.