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Category Archives: Uncategorized
New login activity viewer
It’s now easier to see whether or not your account has been compromised. As part of our ongoing work to enhance the security of the computing infrastructure within the School of Informatics we have developed a new web interface which … Continue reading
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Sleep graphed
We want to save energy, so we try to ensure that DICE computers sleep when idle. The graph below shows how many DICE desktops were asleep during each hour of a recent week. It was produced by David Sterratt, and … Continue reading
“DHCP” network problems 20th-22nd April
A number of users of our self-managed “DHCP” subnet experienced problems accessing the network starting some time on Saturday 20th up until 14:45 on Monday 22nd. We believe that this was caused by a rogue DHCP server, and that disabling … Continue reading
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New SSH server
On Tuesday 16th April we plan to replace the SSH server named “dunlin” which hosts student.ssh.inf.ed.ac.uk and ssh.inf.ed.ac.uk with a machine named “kubelik”. All that will happen is that at about 09:00 on Tuesday we will change the DNS aliases … Continue reading
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Student Survey Results
You can now find a summary of the responses to the Student Survey carried out last year. We found the responses very helpful in planning and prioritising some changes which include: 1. Improved documentation Our new documentation was announced recently … Continue reading
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New AFS Quotas
One of the outcomes from the 2012 student survey was a decision to increase the AFS home directory quotas for all users. The new limits agreed were: UG1/UG2 – 2GB UG3/UG4/PGT – 5GB Staff/PGR – 10GB Unfortunately, our policy of … Continue reading
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“groups” web server upgrade to SL6.3
The web server that hosts the groups/conferences/workshops/events.inf.ed.ac.uk web sites, and various other research sites, is long overdue an upgrade. Currently it is still running the SL5 OS, whereas virtually all other DICE computers are SL6.3. If things go to plan, … Continue reading
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EdLAN upgrade work by IS Network Services
The following dates have been set for IS Network Services to perform essential replacement work on the core EdLAN network routers: Appleton Tower – Saturday 19th January 2013 08:00-10:00 (then at risk 10:00-12:00) The Appleton Tower work will cause an … Continue reading
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Wireless networking in the Forum
Wireless networking spectrum is a scarce resource. In the 2.4GHz band (“802.11b/g”) there are essentially only three non-overlapping channels available. Things are not quite as tight in the 5GHz band (“802.11a”), but there is by no means generous provision there … Continue reading
Backing up users’ crontabs on DICE
I’d like to draw users’ attention to the following, recently posted on one of our CO blogs: “The Research and Teaching unit recently noted that users’ crontabs (sometimes required, for example, on research servers to start or check on custom … Continue reading
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