title: how to disable dnsmasq service in CentOS 8
body: <p>I am install kubernetes v1.18 in CentOS 8, but the coredns start failed, tell me the port 53 is in using, and I using this command to find which app using the port:</p>
  <pre><code>lsof -i:53
  </code></pre>
  <p>then I found <code>dnsmasq</code> service are using this port, how to disable or close the auto start the dnsmasq service in CentOS 8? I am trying to kill the process but next time it still started, then using this command but not works:</p>
  <pre><code>systemctl disable dnsmasq
  </code></pre>