non-interactive

src/freedombone-addcert

     # stop the web server
     systemctl stop nginx
 
-    certbot certonly --server $LETSENCRYPT_SERVER --standalone -d $LETSENCRYPT_HOSTNAME --renew-by-default --agree-tos --email $MY_EMAIL_ADDRESS
+    certbot certonly -n --server $LETSENCRYPT_SERVER --standalone -d $LETSENCRYPT_HOSTNAME --renew-by-default --agree-tos --email $MY_EMAIL_ADDRESS
     if [ ! "$?" = "0" ]; then
         echo $"Failed to install letsencrypt for domain $LETSENCRYPT_HOSTNAME"
         systemctl start nginx