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Department of Computer Science and Technology

Datacentre

Datacentre cooling works

26 May 2020

An upgrade to the cooling capacity of the department's datacentre (GN09) will take place starting on 1st June 2020, for two weeks.

No interruption to service is expected since a very capable temporary cooling system will be in operation during that time. However the risk of disruption is slightly increased....

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svr-ssh-0 now Ubuntu 20.04 - please try it if you use slogin-serv

3 May 2020

slogin-serv.cl.cam.ac.uk is provided by three servers, mostly by "ely". One of the two alternatives, svr-ssh-0.cl.cam.ac.uk, has been upgraded to Ubuntu 20.04. If you routinely use slogin-serv, please try using svr-ssh-0 and email sys-admin if tere any problems. Thanks.

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Guidance on using Zoom

24 April 2020

UIS has now published guidance on how to use Zoom securely for online videoconferencing.

https://help.uis.cam.ac.uk/zoom-security

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Launch of Microsoft Teams

19 March 2020

Microsoft Teams is now live. It is the recommended and supported online collaboration tool for the University. Teams is integrated with other Microsoft 365 (formerly known as Office 365) products.

Access Teams via a browser (Chrome is recommended) or download the desktop app .

For more information on how...

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Mailing list for announcing filer migration disruption

5 September 2019

The migration of filespaces from elmer to our new NetApp servers is likely to start sometime after 24th September and will take several weeks to complete. We have created a temporary mailing list cl-filer-migration@lists.cam.ac.uk for announcements relating to this migration.

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filer alias updated

4 September 2019

The windows file server name \\filer.cl.cam.ac.uk now refers to a DFS server.

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Changes to the www-dyn{,1,2,3} service

30 August 2019

The facility used by the dynamic user web page service to securely access the filer relies on a feature of the old filer which is not available on the new ones .

This requires all users of the dynamic user web page service to move their files to a separate volume on the filer. This should not affect most users,...

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Old autofs maps to be removed

29 August 2019

At the beginning of August we introduced a new set of autofs maps. We intend to remove the old maps from the LDAP server on Tuesday 3rd September.

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New NetApp filer

22 August 2019

The department has been running a NetApp filer called elmer as its primary filestore since 2002. Since the original installation, there have been two major hardware replacements, and on each of those occasions the transition was relatively seamless. It is now time for a third upgrade, but this one will be a bit different. The purpose of this article is to explain what we are planning.

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New autofs maps

1 August 2019

In preparation for migrating to new filer hardware, we need to make changes to the automounter mappings used on managed Linux machines to access NFS file servers. These mappings are used to implement paths mostly beginning with /auto, and most frequently accessed through symbolic links such as /homes. /anfs and /usr/...

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