Category: Problem Solving

Debugging Silent Message Drops in a Redis Queue (Four Bugs, One System) I run a six-agent tmux setup where every inter-agent message goes through a Redis-backed queue. One agent writes a task, another BLPOP-s it off and executes. For weeks the system worked perfectly. Then, quietly, messages started disappearing — not crashing, not throwing errors.

How to Fix Port Already in Use (EADDRINUSE) Errors in Node.js You run node server.js and immediately hit this wall: Error: listen EADDRINUSE: address already in use :::3000 Your server never starts. Something else is already holding port 3000 hostage, and Node.js can’t claim it. This is one of the most common friction points in

Fixing EACCES Permission Errors on WSL2 (When /mnt/c Fights Back) Last month I spent three hours debugging what I thought was a Node.js issue. npm install kept spitting out EACCES: permission denied, mkdir '/mnt/c/projects/myapp/node_modules'. I ran it as root. Same error. I ran chmod -R 777. Still failing. I was convinced something was deeply broken

Git Stash: How I Stopped Losing Work Mid-Feature (And You Can Too) I’ll be honest — the first time I discovered git stash, it felt like finding a secret room in a house I’d been living in for years. I had been hacking on a new API integration for about three hours when Slack lit

WSL2 Network Issues: What Caused Them and How I Actually Fixed Them WSL2 is excellent until it isn’t. The virtualized network stack that makes WSL2 faster than WSL1 for most things is also the source of a class of networking issues that can waste a lot of time to diagnose. This is a writeup of

Team Agents: The Triple Crown Strategy for AI-Assisted Development Writing code with Claude Code is easy. But “just build it and see” projects lose direction as they grow. Triple Crown solves this by enforcing a strategy → plan → execute → verify pipeline. TL;DR Tool Responsibility Analogy gstack Strategy + quality validation CEO + QA

Want to run 6 AI agents simultaneously in a single terminal? The answer is TMUX. Everything you need in practice — from installation to team layout configuration and session recovery. What Is TMUX? TMUX (Terminal Multiplexer) is a tool that lets you run multiple terminals simultaneously inside a single terminal. Like a tabbed browser, it