Create an SSL CSR and key in one command.

ssl.sh

#!/bin/bash

if [ -z $1 ]
  then
    echo "You must set a domain name."
    exit 1
fi

# generate a private key and CSR
openssl req -nodes -newkey rsa:2048 \
  -keyout "$1.key" -out "$1.csr" \
  -subj "/C=US/ST=California/L=Los Angeles/O=$1/CN=$1"

exit 0