What FidoNet can teach Green Computing
July 18, 2024
For a couple of decades, especially maybe from 2000-2020, the area of Computing largely ignored any issues of environmental sustainability impact. It's an industry joke that increasing layers of abstraction have rendered the astonishing advances in computing hardware in processing and memory to something of a standstill. And yet, it is predicted that digital emissions […]
exim4 upgrades and configuration fragility
October 6, 2021
Last night I decided I'd catch up on sysadmin tasks. Some of that was trying to tighten up my spam filtering again. I had got in place a per-user Bayesian filter on spamassassin, which essentially should allow it to learn a much more individual pattern of what each user considers spam. I also had configuration […]