Monthly Archives: September 2012

homepages.inf.ed.ac.uk OS upgrade to SL6.2

The homepages web service – homepages.inf.ed.ac.uk – is overdue an Operating System upgrade. It is still running the SL5.6 OS, where as DICE desktops are running at least SL6.2. The plan is to upgrade the homepages.inf.ed.ac.uk service to SL6.2 on … Continue reading

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Network security and robustness enhancements

New versions of network switch firmware often bring additional facilities along with bug-fixes.  We have recently been evaluating some security and robustness enhancements, with a view to rolling them out across the Informatics network.  In particular: DHCP protection, which will … Continue reading

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SSH protocol 1 disabled

In order to improve the security of the DICE computing infrastructure we have decided to disable support for the SSH version 1 protocol. This is a very old protocol which is now considered to be obsolete. Due to a number … Continue reading

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Prometheus – account management in Informatics

This article describes Prometheus, the account management system developed within Informatics (note that the choice of name comes from this Prometheus, and predates the recent film). More accurately, Prometheus could be described as an entity management system, as it manages … Continue reading

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