Error: listen EADDRINUSE: address already in use :::3090 code example

Example 1: EADDRINUSE: address already in use

sudo lsof -i :<PORT>
kill -9 <PID>

Example 2: code: 'EADDRINUSE', [0] errno: 'EADDRINUSE', [0] syscall: 'listen', [0] address: '::', [0] port: 5000

killall -9 node
//You can check if it worked with the following command
ps ax