title: Standalone ruby script using cheezy/ADB
body: <p>I'm trying to use <a href="https://github.com/cheezy/ADB" rel="nofollow">https://github.com/cheezy/ADB</a>
   as described here: <a href="https://github.com/cheezy/ADB/wiki/Start-and-Stop-ADB-Service" rel="nofollow">https://github.com/cheezy/ADB/wiki/Start-and-Stop-ADB-Service</a> </p>
  
  <p>I've installed gem but I'm unable to use it.</p>
  
  <p>My script.rb file:</p>
  
  <pre><code>#!/usr/bin/env ruby
  
  require 'ADB'
  
  ADB.start_server
  </code></pre>
  
  <p>and gem list result</p>
  
  <pre><code>LOCAL GEMS 
  
  ADB (0.5.6)
  bundler (1.11.2)
  childprocess (0.5.9)
  ffi (1.9.10)
  </code></pre>
  
  <p>Error message: </p>
  
  <pre><code>undefined method `start_server' for ADB:Module (NoMethodError)
  from -e:1:in `load'
  from -e:1:in `&lt;main&gt;'
  </code></pre>