https://github.com/angristan/openvpn-install

curl -O https://raw.githubusercontent.com/angristan/openvpn-install/master/openvpn-install.sh

chmod +x openvpn-install.sh

export AUTO_INSTALL=y

./openvpn-install.sh

APPROVE_INSTALL=y

APPROVE_IP=y

IPV6_SUPPORT=n

PORT_CHOICE=1

PROTOCOL_CHOICE=1

DNS=1

COMPRESSION_ENABLED=n

CUSTOMIZE_ENC=n

CLIENT=clientname

PASS=1