Tstaff will be upgrading the OS on the backend servers providing database service, for a number of our production services, starting at 07:30 on Monday, March 14th. This will affect: the CS website, CS email lists, our problem ticket system (RT), CS wikis, instant messaging service, and a variety of Tstaff …
09:57: We experienced some authentication issues with our VPN server. The process has been restarted and we are investigatng the root cause.
As you may have already heard, a Glibc exploit has prompted a patch release from the Debian community. In order to deploy this patch we are rebooting workstations and servers department wide.
***The workstation reboot is scheduled for tomorrow morning, February 18th, at 6am.*** Note: Grid nodes and virtual …
Google posted to their online security blog earlier today about an interesting discovery one of their engineers made while trying to debug an SSH problem. After some investigation, they determined it was actually due to a glibc blug that could be exploited. The patches rolled out in coordination with this …
Early this morning we migrated from using physical hardware to virtualized machines to handle internal mail delivery. We expect there to be no impact on our users, but are letting everyone know in case you notice some change in behavior. These servers are responsible for all delivery of email to …
We added another disk tray with 14.55TB of disks to the GPFS Data filesystem. We are running a disk restripe to rebalance the Data filesystem. This could potentially affect filesystem performance.
As some of you have already noticed, course lists have gone through some changes since last semester. Specifically, student course lists are now being populated with @brown.edu email addresses for owners, moderators and subscribers. There are a number of technical and procedural reasons behind this change, which are all for the best. With …
Tstaff will be performing a reboot to all Linux desktop machines tomorrow, Wednesday, January 20th, to apply an urgent security patch.A major vulnerability was announced today in versions 3.8 and higher of the Linux kernel. The details may be found here: http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/Debian 8 "Jessie", which is what most of our …
The department experienced a GPFS blip shortly after 10am this morning. The outage become pregressively worse and lasted about 10 minutes in total.For those interested in more details, one of the quorum and manager nodes for the cluster experienced a system hard drive failure a few days ago. After replacing …
We rolled out some changes over lunch today that affect how our departmental workstations reach the rest of the Brown campus and the internet. While we don't expect there to be any issues, we wanted to let everyone know in case they experienced connectivity issues.For those interested in the network …