title: Site does not exist error for a2ensite
body: <p>I have <code>cmsplus.dev</code> under <code>/etc/apache2/sites-available</code> with the following code,</p>
  
  <pre><code>&lt;VirtualHost *:80&gt;
      ServerAdmin master@server.com
      ServerName www.cmsplus.dev
      ServerAlias cmsplus.dev
  
      DocumentRoot /var/www/cmsplus.dev/public
  
      LogLevel warn
      ErrorLog /var/www/cmsplus.dev/log/error.log
      CustomLog /var/www/cmsplus.dev/log/access.log combined
  &lt;/VirtualHost&gt;
  </code></pre>
  
  <p>Now when I use <code>sudo /usr/sbin/a2ensite cmsplus.dev</code>, I am getting the error,</p>
  
  <pre><code>ERROR: Site cmsplus.dev does not exist!
  </code></pre>
  
  <p>My webserver <code>Apache/2.4.6 (Ubuntu)</code></p>
  
  <p>How to solve this issue?</p>