Ben Borgers

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How to kill a localhost process on macOS

Sometimes you've got a development server running on a localhost port in the background that you can't seem to stop.

For example, if the port is localhost:8000, run:

sudo lsof -i :8000

You should see the processes running on that port. Take note of the PID for these processes.

Then, run:

kill -9 <PID>