Release Discipline
Prefer short release trains, explicit rollback points, and configuration changes that can be verified with a single command.
Operational notes for small distributed systems.
Independent references on resilient web services, deployment hygiene, network measurement, and routine maintenance. Published as compact notes for teams that prefer simple infrastructure.
Network Baselines
Record latency, packet loss, DNS behavior, and TLS reachability before changing production services.
Service Hygiene
Keep public surfaces small, rotate credentials, and make logs useful without exposing private data.