Category Archives: Uncategorized

IPv6 for Forum self-managed subnets

It’s now more than three years since we implemented IPv6 for the School’s managed Linux (DICE) desktops and servers, and in that time we have seen very few issues which were specifically related to IPv6.  We were not, unfortunately, able … Continue reading

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Change Freeze during strike action from 21st November 2019 to 10th December 2019

In order to minimise the risk to computing facilities during the strike action there will be a ‘change freeze’ for those computing systems managed by the School’s computing staff: the University’s Information Services are implementing a similar ‘change freeze’. This … Continue reading

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What Do You Want From A Network File System?

We’ve been using OpenAFS as the School’s network file system (i.e. the thing that lets you access your DICE home directory and research group space on pretty much any machine from pretty much anywhere in the world) for the best … Continue reading

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Virtual DICE has been updated

We’ve updated Virtual DICE! Both “little” and “large” VMs have been updated. There are two changes compared to last month’s release: VirtualBox Guest Additions has been updated to a much newer version, so the Virtual DICE VM should now be … Continue reading

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macOS Catalina

We advise waiting a while before updating your Mac to the new macOS version, Catalina, for two reasons: firstly it has bugs, which Apple is steadily fixing; secondly it introduces a security system which is causing problems for software which … Continue reading

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A new Virtual DICE for 2019-20

A new version of Virtual DICE is out – in fact, two new versions! They have the software for the 2019-20 session. Virtual DICE is the lightweight DICE-like virtual machine which you can install and run on your own computer. … Continue reading

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OpenVPN configuration files

The new OpenVPN configuration files which we have been beta-testing for the last month or so have now gone live, and our computing.help pages have been updated. These configuration files are intended to have essentially the same effect as the … Continue reading

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New staff SSH server

On Monday 19th August we will replace the SSH server named “hare” which hosts staff.ssh.inf.ed.ac.uk with a machine named “steen”. All that will happen is that at about 08:00 on Monday we will change the DNS alias to point to … Continue reading

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OpenVPN beta-testers wanted

Several people have opened support tickets recently asking about warning messages being produced by OpenVPN when connecting to Informatics.  The reason for these warnings has been that the configuration syntax has gradually changed over time to accommodate new features, and … Continue reading

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SL7.6 Upgrade for desktop machines

The 6th minor update for ScientificLinux 7 (which is based on RHEL7) is now ready for deployment to the Informatics DICE office and student lab machines. A minor update like this provides us with the opportunity to update important software … Continue reading

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