How to kill the process on a port on a Mac (and what to do when it comes back)You kill whatever is on port 5432, run your app, and get the same error. The process is back with a new PID. Most guides stop at kill -9, which is the wrong fix for this. Here's the full routine, in t1Oct 23 · 4 min readportlivo.hashnode.dev
How to Find Which Project Is Running on a Port on Mac You open localhost:3000 and it’s the wrong app. Or npm run dev says the port is taken, and lsof tells you it’s node. Every dev server is node. What you actually need is the folder it was started from.1Oct 22 · 7 min readportlivo.hashnode.dev
What's running on my Mac? How to see every dev server and portA Vite app from this morning, an artisan serve from yesterday, Postgres, Redis, and whatever your coding agent started in the background. By the afternoon most of us have no idea what's actually runniOct 19 · 3 min readportlivo.hashnode.dev
How to fix "port already in use" on a Mac (and stop it happening) You run npm run dev and get this: Error: listen EADDRINUSE: address already in use :::3000 Something is already listening on port 3000. Usually it's a dev server you started earlier and forgot about:Oct 18 · 3 min readportlivo.hashnode.dev