Install Pi-hole on VPS
Since VPS script 0.993, to install Pi-hole on OpenMPTCProuter VPS, you have to use this script after using VPS script (this configure Pi-hole to answer only on VPN interface):
wget -O - http://www.openmptcprouter.com/server/omr-pihole.sh | sh
You can select any interface and set any IPs during Pi-hole configuration, this will be modified for OpenMPTCProuter at the end.
Don't apply Pi-hole firewall rules.
To use Pi-hole in OpenMPTCProuter, you need to 'Save & Apply' the wizard again in System->OpenMPTCProuter. Web interface will be available on 10.255.255.1 if you use Glorytun TCP, 10.255.255.2 if you use Glorytun UDP.