Rails-tutorial Chapter 1: rails server isn't working on Cloud9

Question

https://www.railstutorial.org/book/beginning#sec-rails_server

I have reached this step, and I\'m using the cloud9 environment. When I run the server as per Listing 1.7 o

Answer 1

I learned that you can use the command killall ruby to stop any of the ruby processes which helped me because I had mistakenly run the rails server -b $IP -p $PORT command at the ~/workspace level in the tutorial. I found the answer in can't open rails server