colszowka

require 'resolv'

class DnsCheck
  attr_reader :host
  def initialize(host)
    @host = host
  end

  def a
    @a ||= Resolv::DNS.new.getresources(host, Resolv::DNS::Resource::IN::A)

wrburgess

##References

• ActiveAdmin Home
• Heroku Backups
• Heroku Dev/Prod Environments

##Create Rails App

command to make new directory:

mkdir AppName

glejeune

Run

1. Install and run an AMQP server (RabbitMQ is a good choise)

2. Install amqp and ncurses-ruby gems

   sudo gem install amqp ncurses-ruby

3. Run the client

ruby ./amqp-chat.rb