From “it just works” to “I know why it works.”
Muhammad RazaSenior DevOps engineer, ex-AWS
Deep dives into DevOps, AWS, and AI agents. I take systems apart until I understand them, then write down what I find.
Open for consulting and full-time roles → Follow along by RSS or by emailWriting
2026
- Sep 24 How to Convert GGUF to MLX (and When You Should Not) 14 min
- Aug 06 What Is an Agent Harness? 11 min
- Jul 28 I Built a Native macOS Transcription App with Codex in Five Days 12 min
- Jul 13 What Actually Happens During an ECS Rolling Deployment 19 min
- Jun 09 How ECS Actually Works: A Visual Guide for People Who Know Kubernetes 9 min
- Jun 03 GGUF vs MLX on Mac (Apple Silicon): Which Format to Pick 15 min
- Apr 03 Building CodeWiki: Compiling Codebases Into Living Wikis With LLMs 6 min
- Mar 27 I Built an Orchestrator That Watches GitHub Issues and Sends Agents to Fix Them 10 min
- Mar 14 Harness Engineering: The DevOps Skill Nobody Told You About 6 min
- Feb 17 Persistent Local Memory for Claude Code, Codex, and OpenCode 10 min
- Jan 03 AI Agents Are Just CI Pipelines With an LLM Plugged In 7 min
2025
- Dec 27 AWS Cost Optimization Case Study: How I Cut a Client's Bill by 50% 9 min
- Dec 18 The 5 ECS Decisions That Waste 6 Weeks (And What to Pick Instead) 9 min
- Nov 25 Building AI Agents for DevOps: From CI/CD Automation to Autonomous Deployments 32 min
- Nov 09 Building a CI/CD Pipeline Runner from Scratch in Python 31 min
2024
- Oct 28 Understanding Docker Internals: Building a Container Runtime in Python 16 min
- Jul 05 Creating a Simple Pastebin Service in Python and Flask 4 min
- Jun 09 Understanding HTTP Server by implementing in Python 6 min
- Mar 12 Python smtpd Was Removed in 3.12: How to Test Emails Locally with aiosmtpd 6 min
2023
- Nov 19 One Liners Python Edition 2 min
- Nov 09 Understanding Linux cp Command and Implementing in Python 7 min
- Oct 31 My Useful Shell Functions 3 min
- Oct 05 Understanding Python Variables: Namespaces and Variable Scope 4 min
- Sep 19 fzf - The Command-Line Fuzzy Finder 5 min
- Sep 04 WebScraping in Bash 5 min
- Sep 02 Exploring Lesser-Known Commands and Advanced Features of Homebrew 5 min
- Aug 31 Grep and Log Analysis 6 min
- Aug 02 My Favorite Vim Oneliners For Text Manipulation 2 min
- Apr 21 Unlock the Power of Asynchronous Programming in Python with asyncio 4 min
2020
2019
- Nov 08 Creating Simple Web App Using Django 6 min
- Oct 25 Enabling Wifi on Linux using CLI 1 min
- Oct 25 Connecting to Projector using XRANDR 1 min
- Oct 10 Using Regex To Extract Links. 1 min
- Sep 29 My Favorite Pandas Tricks 2 min
- Sep 20 NLP Basics: Stemming, Lemmatization, Tokenization & More 4 min
- Sep 20 Jupyter Keyboard Shortcuts 1 min
- Sep 20 Generating SSH Keys for Your Machine 1 min
- Sep 20 Bash Script to Lowercase Filenames 1 min
- Mar 21 Creating Interactive CLI App 3 min
- Feb 02 Exploring Git 4 min
- Jan 08 Visualizing Stocks 2 min