How to Locate and Shutdown a Local Rails Server

Last modified: 
Wednesday, August 16th, 2017

The following will identify any TCP applications listening on port 3000 and kill them. In our example, we're presuming a Rails app running Passenger is on 3000.

kill -9 $(lsof -i tcp:3000 -t)

Alternatively, you can get the PID and run kill seperately.

lsof -i tcp:3000
kill -9 PID

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