Computer Tips - How can I make a self-signed certificate with no password?

Date: 2017may26 OS: RedHat/Fedora/CentOS Language: bash Keywords: cert, key, keygen, makekey, makecert, ssl, ssh, letsencrypt, certbot Q. How can I make a self-signed certificate with no password? (For a https://... website) A.
dnf install crypto-utils genkey --days 3650 <domain>
The program asks you some questions. You're not gong super secure so might as well get 10 year duration. Better to use letsencrypt.