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 ....
Step 2:
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
Step 3:
systemctl restart lighttpd