Install Certbot package.
Generate a SSL certificate using DNS verification.
Generated certificated will be available under /etc/letsencrypt/live/jenkins.yasithab.com
Create /etc/systemd/system/certbot.service SystemD Service.
Create /etc/systemd/system/certbot.timer SystemD Timer to renew the certificates daily, including a randomized delay so that requests for renewal are spread over the day.
Start and enable certbot.timer
Check whether time is active with the following command