Engineering
Why I Rewrote kill-port in Rust
The story of building portrm: why kill-port and fkill weren't enough, why Rust was the right choice, and what a proper kill-port alternative looks like.
GuideHow to Fix EADDRINUSE in Node.js (2025)
The definitive guide to fixing "address already in use" errors in Express, Next.js, Vite, and other Node.js frameworks.
TutorialHow to Kill a Process on Port 3000
Every method to find and kill processes on port 3000, from one-liners to dedicated tools. macOS, Linux, and Windows.
Deep DiveThe Best Way to Manage Ports in 2025
Why port conflicts keep happening, what tools exist to solve them, and how to set up a workflow that prevents them entirely.