title: GIT push issue: please make sure you have the correct access rights
body: <p>I can clone the code from git server, but I can not push my code.</p>
  
  <p>I prepare to push the code.</p>
  
  <p>First, I execute the command <code>git add</code>, it's OK;</p>
  
  <p>Second, I execute the command <code>git commit</code>, it's OK;</p>
  
  <p>Third,I execute the command <code>git push</code>, the screen prints the information</p>
  
  <pre><code>  fatal:upload denied for project '------'
    fatal:could not read from remote repository
    please make sure you have the correct access rights.
  </code></pre>
  
  <p>Addition, there is no file "know_hosts" in the folder ".ssh".</p>
  
  <p>How can I resolve the question?</p>
  
  <p>Thanks very much!</p>