Blog Articles: Development

• 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, …

• devops development kayd Jan 28, 2025 11 min read

  ~/Sed One-Liners: 30 Commands from 2TB/Month Log Analysis (Read full article)

  Learn sed the way production incidents teach it. These 30 one-liners come from real debugging sessions processing 2TB/month of logs. Start with simple …

• devops development kayd Dec 28, 2024 11 min read

  ~/How to Replace Text in Multiple Files with Sed: A Step-by-Step Guide (Read full article)

  Master the art of replacing text across multiple files with sed. This step-by-step guide covers everything from basic substitutions to advanced pattern …

• devops development kayd Apr 30, 2024 10 min read

  ~/Filename Extraction: From basename to a 500K File/Day Pipeline (Read full article)

  Learn filename extraction the way production log pipelines actually work. Start with basename, hit the spaces-in-filenames bug, fix it, then benchmark against …

• devops development kayd Apr 28, 2024 18 min read

  ~/Sed for JSON Manipulation: Emergency Patterns When jq is Unavailable (Read full article)

  When jq is unavailable, sed can manipulate JSON in emergencies. Real production incident where sed saved a critical deployment on a locked-down corporate …

• devops development kayd Mar 26, 2024 14 min read

  ~/Advanced Guide to Using the top Command in Linux (Read full article)

  An in-depth guide on the Linux top command. Learn how to monitor and manage system resources, discover practical examples, and work through advanced techniques …

• devops development kayd Mar 24, 2024 14 min read

  ~/Advanced Guide to Using the vmstat Command in Linux (Read full article)

  Discover how to use vmstat for detailed system monitoring and performance tuning. This guide covers everything from basic usage to advanced techniques, …

• devops development kayd Aug 28, 2023 18 min read

  ~/Advanced Bash Scripting for Automation (Read full article)

  Production Bash automation patterns from managing 200+ server deployments daily for Calgary-based infrastructure. Real scripts that reduced deployment time from …

• devops development kayd Aug 28, 2023 14 min read

  ~/Alternatives to envsubst for CI/CD Templating (Read full article)

  Discover powerful alternatives to envsubst for your CI/CD pipelines. This guide compares sed, Jinja2, Groovy templating, and other options with detailed code …