export KEY_CONFIG=/root/easy-rsa/openssl.cnf
export KEY_DIR=/etc/openvpn/keys
export KEY_SIZE=1024
export KEY_COUNTRY=CN
export KEY_PROVINCE=BJ
export KEY_CITY=BJ
export KEY_ORG="islab.org"
export KEY_EMAIL="youremail@yourcompany.com"
exec $SHELL -i