The Alert That Cried Wolf Twice a Day
Certbot runs twice a day to check if certs need renewal. The systemd unit restarted nginx both times, whether or not anything was actually renewed. Here’s how that got fixed.
Nginx
Three Ways My Observability Stack Broke on Day Two
The monitoring stack I deployed yesterday started lying to me within 24 hours. Here’s how I chased down three separate failures in one morning.