Category Archives: Local IT systems

Sys-admin news

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 … Continue reading

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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: Computers will not be … Continue reading

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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 … Continue reading

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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.

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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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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Problem with new VPN certificate corrected

Some people using the VPN service at vpn.cl.cam.ac.uk 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 … Continue reading

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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. Anyone with any equipment remaining in that room will need to ensure that … Continue reading

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ely reboot in vulnerable period 28th Feb

This reboot is necessary to complete the installation of some security updates. Apologies for missing the reboot on the earlier advertised date.

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