Technical Staff Blog

Author archives: Frank Pari

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***We're looking for early adopters who are interested in beta testing a Desktop installation of Debian Stretch on their office machine(s).***

If you use a Tstaff managed desktop in your office and are willing to help us dig out the bugs for this roll-out, please email problem@cs.brown.edu.  We'll coordinate ...

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There was a short network outage at 5pm today, affecting some of our user managed machines in Room 310 and the department's Print Host.  While disabling a set of ports on the switch a port we were not suppose to have access to was also disabled, which severed that switch's communications with the ...

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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=855434

The version of Chromium currently installed on our managed machines is affected by the bug described at the link above.  This bug prevents the browser from completing the necessary steps for a secure connection, which results in a generic error message.

For those using Chromium, until ...

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It was an interesting start to a Wednesday morning...

As you're probably already aware, there was a short blip in connectivity/functionality this morning that blocked our SSH gateway, logins and general use of the department's systems.  Our GPFS file system was overwhelmed, which resulted in a kind of traffic jam of requests ...

Last update on .

During a routine update of our firewall there was an unexpected outage, which we are working to identify the cause of.  Most systems and connectivity have already been restored and the remaining systems will be brought back online in just a few minutes.

If you continue to have trouble after 4pm, please email problem@cs ...

Last update on .

Brown Secure Wifi Cert Update

CIS has pushed an updated certificate for the "Brown" secure wireless network.  If you're having connectivity issues with one of Brown's wifi networks, please try connecting to the "Brown-Guest" network to visit https://wifi.brown.edu/ and follow the on-screen instructions to re-estabilish your connection to the secure network(s).

For further assistance ...

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Unfortunately, there is an issue with the Grid Master process which has rendered qstat, qsub, etc... unusable.  We're working on diagnosing the problem, now.  But, our Grid Engine guru is out of town, at the moment.

Any jobs that were submitted before the outage are still running and will continue to run, as expected ...

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Due to persistent instability with no consistent timing nor other indicators, the Grid Qmaster has been restarted to allow for more thorough testing. There seem to be some underlying issues with the new configuration, but it is not clear wether this is the result of the upgrade to Jessie or the change to hosting the ...

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Backlisted Mail Server IP

It has come to our attention that our mail server's IP has been blacklisted by more than one entity.  As such, messages being sent to your @cs.brown.edu address or through our internal mail server may have been sent to the Spam folder.

To mitigate this situation, we have switched to the backup ...

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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 machines will be rebooted after coordinating ...