A few days ago on a sunny but freezing cold Friday afternoon I had a few hours to visit the Centre for Computing History in Cambridge. I was very much looking forward to it as the first computer I ever programmed on was a Sinclair ZX80 that was built in the UK back in 1980 … Continue reading The Computer Must Be Earthed!
It’s summer time and while most people go on vacation it’s also the time of summer camps and hacker conferences. Last weekend I went to Froscon in Sankt Augustin in Germany for the third time. Close to Cologne and Bonn and not as over-run as Congress in December it’s also a great place to discover … Continue reading Recomended Froscon 2017 Talks
Recently my firewall at home had a bit of a hick-up and decided to change the rule to forward a high external TCP port number to port 22 of one of my servers into a 1:1 mapping of that port instead. As I was about to go into a long meeting I couldn’t immediately react … Continue reading Port 22 Anecdotes
I’ve been in a presentation on the LoRA PHY on the 29th of December at the 33C3 that I can fully recommend if you are interested in the LoRA IoT radio standard and want to learn about “chirp” modulation. During the talk it was mentioned that AT&T is shutting down its GSM network in the … Continue reading As announced in 2012, AT&T Is Shutting Down GSM Now