node.js express socket.io port 3000 in use

Question

I\'ve been following this(http://socket.io/get-started/chat/) tutorial on how to make a simple chat application using socket.io.

I tried to however use Express to create

Answer 1

Try running:

netstat -anp tcp | grep 3000

This should show you the name of the process that is using port 3000. Here's another issue on StackOverflow that covers this issue in more depth.