Please see our previous announcement on this for more backstory. As always, the systems administrators of specific systems (LCRC, ALCF, etc.) will notify you of the specific outage windows for their systems.  This announcement mostly serves as a general reminder and to highlight the aspects of GCE and Legacy that are affected. All Legacy-related systems …

Hi, everyone.  If there are three things you can count on as a certainty, there’s “Fast food menu pictures always look better than the actual product”, “Terms and conditions apply means you won’t get what you expect”, and “The 240 Data Center is going to have an outage quarterly.” Okay, I’m exaggerating. Sometimes the Terms …

Hi, everyone!  It’s been too long!  Or maybe not long enough, depending on how you feel about these things.  In any case, let’s proceed with all the exciting news from CELS Systems. In this newsletter we’ll cover a few topics, notably: New members of CELS Systems New members of CELS for the summer (aka, Welcome …

Hello, everyone.  The general use systems that are supported by the CELS Systems Team are now back from the cooling outage.  This includes Legacy logins and storage, as well as GCE systems hosted in the 240 data center.  The sysadmins of the other systems will notify you when their systems are back. If you encounter …

Please see this post for the original announcement.  Various systems will begin shutting down on the schedules set by their systems administration team which should have been announced to the users of those systems. For CELS, the affected systems (primarily the MCS Legacy environment) we will begin the shutdown on Sunday, May 7, at 6PM. Presuming …

Attention Apple users: Yesterday, Apple began rolling out rapid security response updates for macOS and iOS/iPadOS.  You can read a little more detail on it here, but the crux of it is when your computer/phone tells you about the update, please do not put it off.  For machines fully managed by CELS Systems, we’ll keep …

Hi, everyone! I want to let you know about a couple of outages/upgrades that are happening. First the easy one — we’ll be rebuilding any GCE Ubuntu 18.04 machines into Ubuntu 22.04 starting next week. On April 24 we’ll be doing homes-01.cels.anl.gov, compute-01.cels.anl.gov, and compute-02.cels.anl.gov. On April 26 we’ll do homes-02.cels.anl.gov. In all of these …

This morning, we got reports of mail sent to addresses in “mcs.anl.gov” from outside Argonne were not making it to us. A brief investigation showed that the Domain Name Service (DNS) records that identify where mail should be delivered (MX records) were missing for mcs.anl.gov.  We replaced the records, and now the DNS servers are …

Hey, look!  It’s spring, everyone! What’s your favorite part of spring arriving?  Mine is temps in the 30s with some rain! I wanted to write a brief update on our Crowdstrike rollout across CELS, getting us in line with a whole slew of mandates and Presidential Directives.  For background, see the January announcement and March …

Hi, everyone!  Happy March!  We’re going to have a few short announcements regarding the EDR rollout over the course of the month as we get things put into place across the various operating systems we have.  For background, see my previous EDR announcement. This first one is for macOS.  For all managed and co-managed machines, we’re …