Fixing incidents is table stakes. What separates good engineers from exceptional ones is what happens after – the blameless postmortem. Learn why writing them well is one of the most underrated habits in infrastructure engineering, and how to do it properly.

A practical DevOps walkthrough on how to safely capture JVM heap dumps and thread dumps during a CPU spike on a Java Spring/Tomcat production server — using a shell script built around jmap, jstack, and jcmd.

How we migrated our production care management platform from ANS to Cloudflare Load Balancer — eliminating manual SSL certificate management that had caused a past outage, replacing an EOL HAProxy instance, and achieving zero downtime through a dummy hostname pre-configuration strategy and a planned 45-minute DNS cutover window.