Running the default screen

After setting up the rails environment, we can run the rails server by the following command:

$ rails server

Or in Cloud9, we want to specify the IP address and the port:

$ rails server -p $PORT -b $IP

Next, we can see the result through http://0.0.0.0:3000 or the specified IP address and port.

Please note that the welcome screen in Rails 5 is changed: