title: Installing SQLDeveloper on Ubuntu 16.04
body: <p>I tried to install sqldeveloper on Ubuntu 16.04 with this tutorial:
  <a href="https://www.youtube.com/watch?v=dWnAizA1bYE&amp;feature=youtu.be" rel="nofollow noreferrer">https://www.youtube.com/watch?v=dWnAizA1bYE&amp;feature=youtu.be</a></p>
  
  <p>In 8:00 is shows to enter the command: <code>chmod +x sql</code> </p>
  
  <p>but after that I see a message: <code>chmod: cannot access 'sql': No such file or directory</code></p>
  
  <p>Someone had a similar problem? I tried: <code>sudo chmod +x sql</code>, but it doesn't work either. </p>