Technical Staff Blog

Author archives: Mark Dieterich

RSS feed of Mark Dieterich

Last update on .

padlock.jpg 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 blog post. Unfortunately, it does ...

Last update on .

email.jpg 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 problem, our issue tracking system ...

Last update on .

ibm-gpfs.jpg 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 the hard drive and ...

Last update on .

network-2400px.png 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 details, read on ...

Last update on .

filemaker.jpeg We've been informed by CIS that

FileMaker A will be unavailable on 12/3/2015 at 6:00 AM to 8:00 AM. During this time, you will not be able to use access to databases hosted on Brown's FileMaker A server, either using FileMaker or via a web site.

If you experience ...

Last update on .

Eiki LC-WUL100A.jpg The projector in CIT 316 is experiencing some hardware issues and should be considered unreliable. We have ordered a replacement, but not yet have an ETA for arrival. If you have this room booked in the next week or so and are in need of projection, we encourage you to reach out to CS reception ...

Last update on .

power-outage.jpg (09:29) Facilities has determined the root cause of yesterday's power outage is water seeping into electrical transfomers in the SciLi. The will be conducting emergency fixes starting @ 10am this morning that will necessitate taking down all power to the SciLi. This means our students currently assigned to space in the SciLi will need ...

Last update on .

power-outage.jpg No doubt you've heard by now, the CIT experiened a building wide power outage. This is the first time since we deployed our UPS that we've lost power longer than the batteries could hold us, so the entire machine room was powered down. As of 12:23pm, we believe most critical services are ...

Last update on .

network-2400px.png (10:35) Around 9:15am this morning, a network card in a CIS switch failed that connects our primary firewall's external network interface. This necessitated someone going onsite to manually force our firewalls to failover. Service was restored around 10:30am. We are in the process of checking various services to make sure that ...

Last update on .

logo_sympa_small.png At 07:38 this morning we discovered a dead process on our list server. Upon restarting the process a flurry of delayed emails were sent. We are investigating the root cause and, perhaps more importantly, why automated monitoring did not properly detect and correct the dead process.