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Category Archives: Network
Problems with ChemNet wifi 9th and 10th March 2021
We regret that there was a problem with ChemNet wifi between 8am on 9th March and 10.30 on 10th March which caused connections to fail to be assigned IP addresses, and so people would have found they had no network … Continue reading
Upcoming OpenVPN changes
Many people in the department use our OpenVPN service to get access to the Chemistry network when they are not physically in the building. If you use OpenVPN, you need to make some changes before 22nd October 2015 to ensure … Continue reading
Posted in Network, Remote access, security
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ChemNet
We recently launched a new Department-wide wireless service, which we’re calling ChemNet. The idea is that it’s a single wireless network that covers the entire Department, so you can connect to it once and then move around the building seamlessly. … Continue reading
Posted in Network
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Server room update
Some of you may have been following the saga of our server room refurbishment. The main part of the refurbishment has been done for a while and we even took pictures of the process, but we haven’t posted them until … Continue reading
Posted in Network, Server rooms
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SPRI library
A recent challenge facing us at SPRI (Scott Polar Research Institute) was the transfer of the entire library IT infrastructure from one network to another. While a number of aspects of the move (once the processes were worked out) were … Continue reading
Posted in Network
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ngrep
This week, I’ve spent some time analysing traffic on our network to try to get to the bottom of some slightly odd behaviour we’ve been seeing. Ordinarly I’d use tcpdump and/or wireshark. They’re great for capturing traffic and filtering by, … Continue reading
Sleep talking
Do you talk in your sleep? It’s been a busy week and about 5pm tonight, we were finishing off bouncing some ideas round and contemplating going to the welcome party for new students. Then the new fileserver dropped offline. Completely. … Continue reading
Posted in Network
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