First, you would want to know which process is using port 3000 sudo lsof -i :3000 Save this will list all PID listening on this port, once you have the PID you can terminate it with the following: kill -9 <PID>
First, you would want to know which process is using port 3000 sudo lsof -i :3000 Save this will list all PID listening on this port, once you have the PID you can terminate it with the following: kill -9 <PID>