Department of Computer Science and Technology

Local System Information

This page offers pointers to detail of how to use lab systems, how to get help, and so on.

Getting help and introductory documents

Administrative matters

Workstation provision

Systems software

Communications and the network

Security incidents


System Maintenance

Wherever possible routine infrastructure maintenance activities which might result in disruption will be carried out on Tuesday mornings during the period 7-10am. A minimum of several days notice will be given of our intention to use this slot and if this will be disruptive to you we will try to postpone if it is reasonable to do so.

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[rss feed]Sys-admin news

7 Nov 2018

Old print server being retired

The old print server (version 1-6-2) will be retired in stages over the next week or so. Most users will not be affected, as they are already using our new server. (more...)

4 Jun 2018

Network outage on June 2nd

At 09:12 on Saturday morning, a new switch in our data centre failed. In doing so it bridged together all of its connections to the rest of the network. Since switches have multiple uplinks for resilience, this created a loop in the network. (more...)

1 Jun 2018

PAT 2018

Portable Appliance Testsing (PAT) is not a legal requirement, but is required by our insurers. Estate Management have hired contractors to fulfill the insurers’ requirement at very short notice.
Some information which might be of interest: (more...)

19 May 2018

New Ubuntu MTA now in use by new slogin server

The new slogin server will not send non-ASCII MH emails to the main Lab CentOS 5 MTAs, as they do not advertise that they support 8BITMIME. A Ubuntu 16.04 MTA which was being used for development has been brought into service, and slogin-new has been configured to use it.
It is believed that the system works, but do keep a closer eye on receiving copies of emails sent from slogin-new / svr-ssh-0.

28 Apr 2018

New Ubuntu 18.04 LTS slogin-new test server

A new Ubuntu 18.04 LTS server is now available, available via the service name slogin-new and slogin. To ensure that the Ubuntu 16.04 LTS server is used, connect to slogin. Comments to sys-admin please.