The Thermostat That Wouldn't Stop Asking
A 404MB log file growing at 160MB/day. 87% of it was mDNS traffic. One thermostat was sending 66,000 queries with zero responses. The fix wasn’t log rotation - it was understanding why.
Logging
Your Security Tools Only Protect What They Can See
Running CrowdSec felt safe until a routine audit revealed SSH brute force attacks going completely undetected - because the security tool was watching the wrong log source.