listen EADDRINUSE: address already in use :::8081 code example
Example 1: EADDRINUSE: address already in use :::5000
kill -9 {PID}
Example 2: Error: listen EADDRINUSE: address already in use :::3000
ps aux | grep node
kill -9 PID
kill -9 {PID}
ps aux | grep node
kill -9 PID