Install latest/stable of certbot-dns-luadns
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Install using the command line
sudo snap install certbot-dns-luadns
Don't have snapd? Get set up for snaps.
LuaDNS Authenticator plugin for Certbot
Generate an embeddable card to be shared on external websites.
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.