Hadoop- CDH5 permission
<p>I use CDH5 and when I run my project I get the error </p>

<blockquote>
  <p>Can not find or edit the main class</p>
</blockquote>

<p>I read in some sites that I should edit some files like <code>Hadoop-env.sh</code>, but when I edit it and save, I got </p>

<p><img src="https://i.stack.imgur.com/Oq1MH.png" alt="this permissions error">. </p>

<p>The same error is repeated with other files.</p>

<p><strong>How I fix this permissions error? or How I can edit files without having permissions?</strong></p>