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

9 Mar 2018

Start of change of default domain on Linux systems

The department is moving from the ‘AD’ domain to the ‘DC’ domain. Linux systems use the DNS to decide which the default should be if none is given. We shall be moving certyain test hosts over to DC in the vulnereable period on Tues 20th Feb, and depending how things go, at later vulnereable or non-vulnerable periods. (more...)

28 Feb 2018

Server Room Cooling Failure

Overnight between the 27th and 28th of February the building cooling failed. This was due to the pipes on the roof freezing due to very low temperatures. Emergency actions was taken at in the middle of the night to shut down enough machines to prevent a total outage of core services. The cooler has now been inspected and declared beyond repair. This is because it had no anti-freeze in the circuit. (more...)

26 Feb 2018

New Remote Desktop Service

The previous remote access Windows machines ts01 and ts02 have now been retired. In their place is a newer version running on Windows Server 2016. The local unix command cl-rdesktop has been updated to point to this service. To login you must authenticate against the DC domain either by quoting your identifier as DC\crsid or as just crsid. Windows or MacOS users should connect to to access the new servers.

22 Feb 2018

Problem with new VPN certificate corrected

Some people using the VPN service at may have been experiencing difficulties since the server certficate was updated on 2018-02-13. We issued a warning applicable to Windows users, but we forgot to point out that some Linux and Android clients require a local copy of the server certificate to verify. (more...)

15 Feb 2018

SE18 due to be cleared by 1 June 2018

The deadline for moving equipment out of SE18 has been set to the 1st June 2018. The removal of the air-conditioning has been arranged to start them. (more...)