Blog

Practical fixes for the network problems Bosun exists to solve.

Kill all the stuck Node processes on your Mac (without nuking your editor)

Orphaned node dev servers eating RAM and holding ports on macOS? See every Node process and kill the stuck ones, without taking out your editor's language servers.

July 20, 2026

Docker Desktop eating CPU on your Mac? How to find (and kill) the culprit

Fan spinning and Mac sluggish because of Docker Desktop? Find out if it's Docker overall or one container, and what actually fixes the CPU spike.

July 15, 2026

Docker: "bind: address already in use" on Mac (lsof won't tell you which container)

Docker port conflicts on Mac don't show up in lsof the way you'd expect. Find the real container with docker ps, stop it the right way, and stop guessing.

July 15, 2026

ngrok says tunnel already running (ERR_NGROK_108 / ERR_NGROK_334)? Here's the fix

Fix ngrok's ERR_NGROK_108 and ERR_NGROK_334 tunnel-already-running errors on Mac: find the orphaned process, kill it, and check what's actually tunneling.

July 15, 2026

Port 3000 already in use on your Mac? Here's how to actually fix it

Fix EADDRINUSE and "port already in use" errors on macOS: find the process with lsof, kill it the right way, and stop it from happening again.

July 15, 2026