Process for Renewing Lighttpd certificate
Step 1:
certbot certonly -d scotnpatti.com -d brain.scotnpatti.com -d www.scotnpatti.com
Responses: How would you like to authenticate... -> 2 Place files in ....
Outputs:
IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/www.scotnpatti.com/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/www.scotnpatti.com/privkey.pem Your cert will expire on 2020-11-24. To obtain a new or tweaked version of this certificate in the future, simply run certbot again. To non-interactively renew *all* of your certificates, run "certbot renew"
Now run the following:
cat /etc/letsencrypt/live/www.scotnpatti.com/privkey.pem /etc/letsencrypt/live/www.scotnpatti.com/cert.pem > /etc/letsencrypt/live/www.scotnpatti.com/combined.pem
Now restart lighttpd and you should be good!