title: Ruby selenium webdriver unable to find Mozilla geckodriver
body: <p>I have geckodriver installed in my development directory</p>
  <pre><code>ls | grep geckodriver
  geckodriver
  geckodriver-v0.11.1-linux64.tar.gz
  </code></pre>
  <p>I also exported to the $PATH variable</p>
  <pre><code>export PATH=$PATH:~/Development/geckodriver
  </code></pre>
  <p>But when I attempt to initialize an instance of the webdriver on rails console of my project I get this</p>
  <blockquote>
  <p>driver = Selenium::WebDriver.for :firefox</p>
  <p>Selenium::WebDriver::Error::WebDriverError:  Unable to find Mozilla geckodriver. Please download the server from <a href="https://github.com/mozilla/geckodriver/releases" rel="noreferrer">https://github.com/mozilla/geckodriver/releases</a> and place it somewhere on your PATH. More info at <a href="https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette/WebDriver" rel="noreferrer">https://developer.mozilla.org/en-US/docs/Mozilla/QA/Marionette/WebDriver</a>
  What's the issue here.</p>
  </blockquote>