CNs are important!!! -days 3650
openssl req -newkey rsa:2048 -new -x509 -days 3650 -nodes -subj '/C=US/ST=Massachusetts/L=Bedford/O=Personal/OU=Personal/[email protected]/CN=localhost' -out mongodb-cert.crt -keyout mongodb-cert.key
cat mongodb-cert.key mongodb-cert.crt > mongodb.pem