It is actually very simple. 1. First things first, you need to install or upgrade your certbot client, it needs to be version 0.22+. Or you can uninstall the current version and install the new version, see below # wget https://dl.eff.org/certbot-auto # chmod a+x ./certbot-auto # sudo ./certbot-auto 2. Generate the certificate using the command below # sudo ./certbot-auto … Read more