Kill all nodes processes:

killall -9 node

// var thisRoom = new ChatRoom({name: 'React', extra: 'React will be the next one'}); // var sevedMessage = thisRoom.save(); // var thisRoom = new ChatRoom({name: 'Node.js', extra: "Let's talk about Node.js here"}); // var sevedMessage = thisRoom.save(); // var thisRoom = new ChatRoom({name: 'Vue.js', extra: "It couldn't be easir with Vue"}); // var sevedMessage = thisRoom.save();