Table of Contents

2023 Maintenance Schedule

December

Openlab Linux Cluster update

The latest Ubuntu 22.04LTS Vendor supplied packages will be installed on the Openlab Linux Cluster.

When: 12/18 and 12/19, all day.

Affected hosts:

Emp Linux Cluster update

The latest CentOS7 Vendor supplied packages will be installed on the Emp Linux Cluster.

When: 12/18 and 12/19, all day.

Openlab Hub Cluster update

The hub image will be rebuilt with the latest scipy-notebook and deployed on the ics https://hub.ics.uci.edu jupyterlab cluster.

All running pods will be terminated and users must start new hubs.

When: 0800-0900 12/20/2024

Slurm Update

The host running many of the slurm distribution nodes needs to be updated and rebooted during break.

When: 12/19, All day.

Kerberos Domain Controller Update

The hosts running the Kerberos Domain Controllers will be updated and rebooted.

When: 12/19, all day.

Gitlab Security Update

Gitlab servers will be down in order to upgrade to a more recent release. This will include the main ICS gitlab server and ones set up for individual classes.

September

Gitlab Security Update

Gitlab servers will be down in order to upgrade to a more recent release, 16.3.4. This will include the main ICS gitlab server and ones set up for individual classes.

June

Tardigrade Update

Non-disruptive software update on tardigrade.

Gitlab Security Update

Gitlab servers will be down in order to upgrade to the latest security release. This will include the main ICS gitlab server and ones set up for individual classes.

April

Posion (Openlab GPU) Patch/Reboot

Downtime Notice: Poison will be Patched and Rebooted Date: Monday, April 17th Duration: 8AM - 12PM

March

Openlab Patch and Reboot

Gitlab Security Update

Gitlab servers will be down in order to upgrade to the latest security release. This will include the main ICS gitlab server and ones set up for individual classes.

February

Emergency Maint. February 9th, 2023 0930 veronica-mars.ics.uci.edu reboot

The bare-metal host has become unresponsive and must be power cycled. The followig list of virtual machines run on veronica-mars and will be impacted by this event:

Virtual Machines:

Emergency Maint. February 9th, 2023

The bare-metal host has become unresponsive and must be power cycled. The followig list of virtual machines run on sonny-crockett and will be impacted by this event:

Virtual Machines:

January