List of useful Certbot commands:
sudo certbot certificates - list all certficates active/expired.sudo certbot --nginx - automatic certificate installation with nginx (overriding your existing configs)sudo certbot renew - renew all certificates, may be used with --dry-run to check renewals without actually renewing certificates.sudo certbot delete --cert-name NAME - delete certificate by a cert name.sudo certbot revoke --cert-name NAME - revoke active certificate by a cert name (not deleting cert files).