LetsEncrypt Installation on ec2
sudo certbot certificates
sudo certbot --help
sudo certbot delete
sudo certbot certonly --manual --preferred-challenges dns --server https://acme-v02.api.letsencrypt.org/directory --manual-public-ip-logging-ok -d "*.example.com" -d "example.com"
sudo service apache2 restart
https://www.cloudbooklet.com/install-free-ssl-using-lets-encrypt-with-apache-on-ubuntu-20-04/