This guide followed from : https://docs.pi-hole.net/guides/vpn/openvpn/installation/ This script will install openVPN with PiHole with all required iptables rules enabled. This script can install with Digitalocean Anchor IP too (10.15.xx.xx). So you could access the PiHole interface via your desired hostname. 1. we do initial linux upgrade & update 2. Get OpenVPN installation from original source 3.Make it executable script 4. Finally, install PiHole on it sudo -- sh -c 'apt-get update; apt-get