Answers for "Error: listen EADDRINUSE: address already in use :::3000 at Server.setupListenHandle [as _listen2] (net.js:1280:14) nodemon"

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

Error: listen EADDRINUSE: address already in use :::3000

C:WindowsSystem32>taskkill /F /IM node.exe
SUCCESS: The process "node.exe" with PID 11008 has been terminated.