Category Archives: technical

Amplification/Reflection attacks: Jenkins CVE-2020-2100

Posted on January 31, 2020 by Adam Thorn

Jenkins Jenkins (https://jenkins.io) is an open-source tool which can be used to automatically perform tasks such as automatic building and testing of software (continuous deployment/integration). Here in the Department of Chemistry we host some Jenkins instances used by some of … Continue reading →

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MATLAB 2019.01 Parallel Server

Posted on April 2, 2019 by oj100

Introducing a New Release: MATLAB Parallel Server Jos Martin, Senior Engineering Manager, Parallel Computing Products at MathWorks Thursday 4th April – 14:00-15:30 hrs Judge Business School, Lecture Theatre 4 More Info. & Booking on Training website

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When is nothing something?

Posted on June 8, 2017 by Adam Thorn

We use devmon to automatically monitor a variety of things on our network, including our uninterruptible power supplies (UPSs) that ensure our core infrastructure is able to withstand short power outages. Our UPSs should perform a self-test routine every two … Continue reading →

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ssh fingerprints for bastion hosts

Posted on March 17, 2016 by Adam Thorn

Those of you who use our bastion host (citadel.ch.cam.ac.uk) may know something about ssh fingerprints: these are identifiers used by ssh servers which allow you to check that you really are connecting to the right server, and allow you to … Continue reading →

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MATLAB2014b and locale on Ubuntu

Posted on October 22, 2014 by Catherine E. Pitt

This week we were trying to make the new MATLAB R2014b package available on the managed Linux workstations. The new version persistently produced an error message about locales when run on my test machine. However it worked fine on another … Continue reading →

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Buffering…

Posted on February 18, 2013 by Frank Lee

The word “buffering” often appears when watching an online video – the display pauses for a bit while the next bunch of data downloads and then the cute kittens start moving again. In this example, “buffering” is the process of … Continue reading →

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(lack of) Documentation for simple things

Posted on January 3, 2013 by Frank Lee

We don’t usually post technical stuff here – this post has more technical content than most – but I’ve been bothered this week by a complete absence of documentation for doing what ought to be a simple task. When reinstalling … Continue reading →

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