Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
Practical patterns for Terraform modules at scale: versioning, composition, testing, and avoiding the monolith trap.
Step-by-step debugging of a production Linux server hitting 100% CPU. From top to perf to the actual fix.
Battle-tested prompt patterns from running LLM features in production: structured output, chain-of-thought, and graceful failure handling.
A real cost audit uncovered idle load balancers, oversized RDS instances, and forgotten snapshots. Here's what we found and how we fixed each one.
A real walkthrough of shrinking bloated Docker images from 1.2GB to 240MB using multi-stage builds, Alpine, and dependency auditing.
A real-world model fallback guide for customer-facing AI systems, covering how one team preserved response quality and support SLAs during a partial provider degradation.
A practical artifact promotion guide for CI/CD teams that were tired of hearing 'it passed in staging' after production behaved differently because the release was rebuilt.
A hands-on RDS restore drill guide for small cloud teams that thought backups were covered until a timed restore test exposed missing steps, DNS confusion, and stale credentials.
A practical systemd drop-in guide built from a real operations problem: vendor unit files kept changing, but the team still needed consistent restart, environment, and logging behavior.
A real-world Terraform module version pinning guide for platform teams that want safer upgrades, clearer ownership, and fewer broken pipelines after shared module releases.
A practical embedding model upgrade guide for RAG systems, built from a real support-search migration that initially reduced answer quality instead of improving it.
A real-world multi-cluster traffic routing guide for SaaS teams that have outgrown a single Kubernetes cluster and need safer rollout control without a service-mesh science project.
