t>Prepare the guide environment</h2><ol><li>Create a virtual machine</li><li><p>Set the environment variables <code>VM_NAME</code>, <code>WORK_DIR</code> , <code>VM_NAMESPACE</code>,
and <code>SERVICE_ACCOUNT</code>
(e.g., <code>WORK_DIR="${HOME}/vmintegration"</code>):</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ VM_NAME=&#34;&lt;the name of your vm instance you created&gt;&#34;
$ VM_NAMESPACE=&#34;&lt;the name of your service namespace&gt;&#34;
$ WORK_DIR=&#34;&lt;a certificat