title: Removing 'server' header from response header of Nginx version 1.18 in Ubuntu 20.04
body: <p>I could not able to remove 'Server' header from response header of Nginx version 1.18 in Ubuntu 20.04 OS.</p>
  <p>I have done the following steps:</p>
  <ol>
  <li><p>sudo apt-get update</p>
  </li>
  <li><p>Installed nginx-extras by using command 'sudo apt-get install nginx-extras'</p>
  </li>
  <li><p>Added the code snippet 'more_clear_headers Server;' in http section of nginx.conf file.</p>
  </li>
  </ol>
  <p>After restarting the Nginx service, it shows the error that 'unknown directive more_clear_headers'.</p>
  <p>But, I could remove 'Server' header from response header of Nginx version 1.4.6 in Ubuntu 14.04 OS by doing the above steps.</p>
  <p>Can anyone please help me how could I remove 'Server' header from response header of Nginx 1.18 in Ubuntu 20.04 OS?</p>
  <p>Thanks In Advance</p>