openssl -req -new -sha256 -nodes -out \5Cert.csr -newkey rsa:2048 -keyout \5Cert.key -config <(
cat <<-EOF
[req]
default_bits = 2048
prompt = no
default_md = sha256
req_extensions = req_ext
distinguished_name = dn
[ dn ]
C=US
ST=State
L=City
O=Organization
OU=
emailAddress=
CN = www.domain.com
[ req_ext ]
subjectAltName = @alt_names
[ alt_names ]
DNS.1 =
DNS.2 =
DNS.3 =
DNS.4 =
EOF