title: Generating CSR for multi-domain
body: <p>How to generate CSR for mult-domain.</p>
  
  <p>I found that generating CSR for single domain is as below:</p>
  
  <pre><code>openssl req -new -newkey rsa:2048 -nodes -keyout yourdomain.key -out yourdomain.csr
  </code></pre>
  
  <p>But how do I generate CSR multi-domain</p>