Blog Articles: Devops

• devops development kayd Feb 16, 2026 17 min read

  ~/Log Aggregator From Scratch in Go (Read full article)

  Build a log aggregator in Go from scratch. Tail files with inotify, survive log rotation, parse syslog and JSON, and shut down gracefully in 200 lines.

• devops development kayd Jan 28, 2025 27 min read

  ~/Deployment Automation: From SSH Scripts to a Go Deploy Tool (Read full article)

  Learn deployment automation from scratch. Start with SSH, rsync, and shell scripts, then build a Go tool that deploys applications with health checks, …

• system-design kayd Jan 09, 2024 11 min read

  ~/Database Scaling: From 100K to 5M Users in 18 Months (Read full article)

  Learn database scaling the way it actually happens in production. Start with a single Postgres database, hit connection limits at 100K users, add read replicas, …

• development devops kayd Aug 28, 2023 26 min read

  ~/Service Health Checks: From curl to a Go Health Monitor (Read full article)

  Learn service health monitoring from the ground up. Start with curl, ping, and /proc, then build a Go health monitor that checks HTTP endpoints, TCP ports, disk …