While using Ruby on Rails,How Do I Edit my Default Port's IP address?

Linode Staff

I'm currently running a ROR application on 0.0.0.0:3000 port. It's redirecting to our Linode's IP, but I am unable to access it. Where do I change this setting?

2 Replies

Greetings,

Let me start by saying I'm a Ruby novice, but I'd certainly like to take a stab at this. From my experience I've been able to accomplish this two different ways. The first method requires you to edit /bin/rails file. You can edit this configuration by running the following command:

sudo nano /yourhostname/bin/rails

Once inside you can make the necessary changes to include your Ip address and the desired port. Let's use port 3000 as the example.

require 'rails/commands/server'
module Rails
  class Server
    def default_options
      super.merge(Host:  '0.0.0.0', Port: 3000)
    end
  end
end

Please note that the default 0.0.0.0 is not bound to any specific remote address. This allows the port to listen to any Ipv4 address on the local host.

Binding is another option, which would instruct your local address to associate with a specific port. You can bind your Ip address using the following command:

rails s -p 3000 -b YOUR_IP_ADDRESS

If that doesn't work, be sure to check your /etc/hosts file for any discrepancies.

Wishing you all the best.

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