Rails 4.2 Server port forwarding on Vagrant does not work

Question

I have a Vagrant VM with Rails installed with a sample app. The VM is configured to forward the port 3000 (of Rails Webrick server) to my host 3000 port.

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Answer 1

You can use an alias, on Ubuntu put it in ~/.bash_aliases
I use:
alias rs="rails server -b 0.0.0.0"

You have to reload the terminal before you can use it