title: sudo: elasticsearch-plugin: command not found
body: <p>i am trying to install zentity 1.8.1- on elasticsearch-7.12.1 however i am getting below error:</p>
  <p>I have tried As per the zentity official documentation <a href="https://zentity.io/docs/installation/" rel="nofollow noreferrer">https://zentity.io/docs/installation/</a> but no luck.</p>
  <pre><code>  sudo elasticsearch-plugin install zentity-1.8.1-elasticsearch-7.12.1.zip  
  </code></pre>
  <p>output / error :</p>
  <pre><code>sudo: elasticsearch-plugin: command not found
  </code></pre>