title: Ubuntu nginx 404 error
body: <p><a href="http://cryptopals.com/sets/1/challenges/1/python" rel="nofollow">cryptopals site</a> </p>
  
  <p>Can you access this webpage? It says to me  </p>
  
  <p>404 Not Found</p>
  
  <p>nginx/1.4.6 (Ubuntu)</p>
  
  <p>I am using Ubuntu 14.1, newest version. I searched on Google but didn't find anything that could help me solve this problem.. 
  I don't know if it is a problem related to the website or my computer..</p>