May 2016

National Computing

2016-05-17

I recently had the good fortune to gain access to the most powerful (publicly known) computer in the UK – ARCHER. This Cray XC30 has 118,000 processing cores and is a workhorse for many large… Read More »National Computing

How can I close a tcp/ip socket without killing the owning process?

2016-05-16

Problem: a program has a socket open and you want to force it to close without killing the owning process. Solution: get the file descriptor of the socket, debug the process and manually call close… Read More »How can I close a tcp/ip socket without killing the owning process?

How can I close a frozen SSH session?

2016-05-13

As previously posted by Infertux here, a frozen SSH session when moving between networks is a common annoyance for anyone who works on remote servers. Thankfully there’s a quick fix (and a whole set of… Read More »How can I close a frozen SSH session?