Compute nodes and desktop machines running CentOS 7 will be rebooted on Thursday (January 26th).  This does not include hosts running RHEL 6.  Updates will be applied to machines between 7:00pm and midnight. In an effort to try and minimize any corrupted files or lost work, please save all your data and logout of any Linux CentOS 7 systems before 7:00pm. We urge people to test any packages that are critical to their work and let us know if they encounter any problems before the updates occur. A list of already updated machines is as follows: