Production-tested guidance from cloud incidents, architecture decisions and deployment work.
An incident-response workflow for AWS abuse notices, suspicious outbound SSH behavior, containment, evidence review and staged restoration.
Evidence-led guidance for diagnosing, recovering and improving production systems.
How to investigate NGINX 499 responses, PHP-FPM target-port mismatches, pod health, MySQL saturation and rollback paths in Kubernetes.
An incident-response workflow for AWS abuse notices, suspicious outbound SSH behavior, containment, evidence review and staged restoration.
How viewer redirects, origin redirects, cache keys and Location headers combine to create CloudFront redirect loops.
A practical decision matrix for ECS Service Connect, Cloud Map DNS discovery, namespaces, aliases, ports and migration constraints.
How to recover from Redis MISCONF safely, understand stop-writes-on-bgsave-error, and fix the persistence failure instead of hiding it.
