Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
                                
                            Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
                                
                            Error: listen EADDRINUSE: address already in use :::3000
//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
                                
                            EADDRINUSE: address already in use
sudo lsof -i :<PORT>
kill -9 <PID>
                                
                            Error: listen EADDRINUSE: address already in use :::3000
//Run this command to get the PID of the running 
ps aux | grep node
//Then kill/stop it by 
kill -9 PID
                                
                            EADDRINUSE: address already in use :::5000
sudo lsof -i :3000
                                
                            EADDRINUSE: address already in use :::5000
kill -9 {PID}
                                
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<script src="index.js"></script>
                                
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