Certbot OEL 8 Install
sudo dnf install oracle-epel-release-el8
sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo snap install core; sudo snap refresh core
sudo ln -s /var/lib/snapd/snap /snap
sudo snap install --classic certbot
sudo /var/lib/snapd/snap/bin/certbot --nginx