Simple bash script to generate a self signed SSL certificate

generate_certificate.sh

#!/bin/bash

if [ $# -lt 1 ]; then
	echo -e "\nNeed file name as first parameter!\n\nExample:\n$ ./generate_certificate.sh server\n"
	exit 0
fi

FILE_NAME="$1"

openssl genrsa -des3 -out $FILE_NAME.key 1024 &&
openssl req -new -key $FILE_NAME.key -out $FILE_NAME.csr &&
cp $FILE_NAME.key $FILE_NAME.key.org &&
openssl rsa -in $FILE_NAME.key.org -out $FILE_NAME.key &&
openssl x509 -req -days 365 -in $FILE_NAME.csr -signkey $FILE_NAME.key -out $FILE_NAME.crt &&
rm -rf $FILE_NAME.key.org $FILE_NAME.csr