title: Running selenium webdriver in AWS EC2 linux
body: <p>I installed selenium on Amazon Linux AMI. I try to use python to activate it.
  The error show up. I do not know what is supposed to mean. Can chrome webdriver run on that environment.</p>
  
  <p>My code</p>
  
  <pre><code>from selenium import webdriver
  driver = webdriver.Chrome("/home/ec2-user/dlfjj/bin/chromedriver")
  </code></pre>
  
  <p>Error</p>
  
  <pre><code>Traceback (most recent call last):
    File "&lt;stdin&gt;", line 1, in &lt;module&gt;
    File "/home/ec2-user/dlfjj/local/lib/python2.7/site-packages/selenium/webdriver/chrome/webdriver.py", line 62, in __init__
  self.service.start()
    File "/home/ec2-user/dlfjj/local/lib/python2.7/site-packages/selenium/webdriver/common/service.py", line 86, in start
  os.path.basename(self.path), self.start_error_message)
  selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable may have wrong permissions. Please see https://sites.google.com/a/chromium.org/chromedriver/home` 
  </code></pre>
  
  <p>update:
  There is new error.</p>
  
  <pre><code> Traceback (most recent call last):
    File "&lt;stdin&gt;", line 1, in &lt;module&gt;
    File "/home/ec2-user/dlfjj/local/lib/python2.7/site-packages/selenium/webdriver/chrome/webdriver.py", line 62, in __init__
      self.service.start()
    File "/home/ec2-user/dlfjj/local/lib/python2.7/site-packages/selenium/webdriver/common/service.py", line 96, in start
      self.assert_process_still_running()
    File "/home/ec2-user/dlfjj/local/lib/python2.7/site-packages/selenium/webdriver/common/service.py", line 109, in assert_process_still_running
      % (self.path, return_code)
  selenium.common.exceptions.WebDriverException: Message: Service /home/ec2-user/dlfjj/bin/chromedriver unexpectedly exited. Status code was: 127
  </code></pre>