Add LetsEncrypt ssl certificate for webmin control panel login

First create a virtual host corresponding to webmin login url.
Eg: If you’re logging in at https://cpanel.yoursite.com:10000, you should create a virtualhost cpanel.yoursite.com

Webmin>Webmin>Webmin configuration>SSL Encryption>Let’s encrypt:
Request certificate

Restart apache2 service and reload the control panel url.


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