How to Kill a Decentralised Network (such as the Fediverse) écrit par Ploum, Lionel Dricot, ingénieur, écrivain de science-fiction, développeur de logiciels libres.
With regards to finding messages in a sea of logs, I highly recommend https://lnav.org/. Load any number of log files and use w/W to cycle through warnings but it can do so much more.
Searching for LIR2450 lead me to coin battery holder with on/off switch. I haven't seen a build with coin battery holders like this yet. I'm more curious now.