sudo lsof -i :3000
sudo lsof -i :<PORT> kill -9 <PID>
//To find the process id (PID) associated with the port lsof -i tcp:3000 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME node 44475 chen5 31u IPv4 0x8b1721168764e4bf 0t0 TCP *:strexec-s (LISTEN) //Then to kill the process kill -9 44475
kill -9 {PID}
step-1 Enter commond to see running ports & processes ps -ef step-2 To stop port and processes sudo kill {PID}
ps aux | grep node //gets all the nodes and list of PID kill -9 {PID}
ps aux | grep node kill -9 PID