Author Archives: neilb

About neilb

Computing staff at the University of Edinburgh. Part of the Services Unit.

Switch to EdPrint

As announced on sys-announce we will shortly be migrating all the existing Informatics cloud printers to the EdPrint system. The blurb from Information Services: What’s happening and when? Information Services is launching EdPrint over the next few months, a major … Continue reading

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MacOS 11 Big Sur and AuriStor AFS Client

Apple are expected to announce the availability of MacOS 11, Big Sur, shortly. Unfortunately this sees a change to kernel module loading that will stop the existing AuriStor AFS kernel modules loading and so AuriStor client version 0.198 (and earlier)  … Continue reading

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Security of shared web services

As the likes of and are shared user services, anyone using some sort of authentication/authorisation to restrict access, has to trust the other users of those web services. A lot of the web’s security model relies on the … Continue reading

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Review of CGIs

For security reasons we are reviewing our use of user authored CGI scripts that are currently running on our web services. Those CGIs that run as the author, such as those on and, are not under review at … Continue reading

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Forum server rooms power work July 2019 – affected services

As previously advised, the new Forum server room UPS (Uninterruptible Power Supply) will be connected to the server rooms on Saturday the 20th of July. This will necessitate the powering down of all machines in the Forum server rooms, and … Continue reading

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No new local blogs on blogs.inf or wp.inf

With the introduction of the University’s centrally provided blogging service (, no new blogs will be created on the Informatics and services. The central service is based on a current version of WordPress, and has a selection of … Continue reading

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groups.inf web server upgrade

The web server that hosts the web site (and various others) is one of the last to be upgraded to SL7. I had hoped to squeeze it in before the end of the year, but it will now happen … Continue reading

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mailman anti-spam filters

There has been a recent spate of spammers forging list member or list admin emails, and thus are able to post directly to the corresponding targeted list (as typically list members are always allowed to post to the list they … Continue reading

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Changes to local mail service

There have been a couple of changes to the local mail services recently. None of which Informatics users should have noticed, but for the record … Continue reading

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New certificate

The x509 certificate used to secure communications with changed this morning. The authenticated SMTP service uses an automatically generated certificated, ultimately signed by the University’s root CA. The service certificates only last a year, and this morning it was … Continue reading

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