g3rhard/openvpn+pihole+docker.md

## openvpn+pihole+docker.md

      
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              openvpn+pihole+docker.md
            
          
    SSH into AWS ec2/ Digitalocean droplet/ or else other PAAS,
linux machine

Install Docker

$sudo apt install docker.io
$sudo usermod -aG docker $USER

I already installed docker

Install Open VPN

$docker volume create --name ovpn-data
# server ip=52.66.18.251
$docker run -v ovpn-data:/etc/openvpn --rm kylemanna/openvpn ovpn_genconfig -u udp://52.66.18.251
# Certificate Generation take 2-5 minutes.
$docker run -v ovpn-data:/etc/openvpn --rm -it kylemanna/openvpn ovpn_initpki

Openvpn running in port 1194
$docker run -v ovpn-data:/etc/openvpn --name openvpn -d -p 1194:1194/udp --cap-add=NET_ADMIN kylemanna/openvpn

Create User "praba" without Password, use the keypharse used in certificate generation
$docker run -v ovpn-data:/etc/openvpn --rm -it kylemanna/openvpn easyrsa build-client-full praba nopass

Download the "praba.ovpn" from docker volume to local volume
$docker run -v ovpn-data:/etc/openvpn --rm kylemanna/openvpn ovpn_getclient praba > praba.ovpn

download the key to your laptop
install openvpn client for windows
check openvpn, by connecting to vpn

Install Pihole

change pihole web ui in port 8080
$docker run -it -p 53:53/tcp -p 53:53/udp -p 8080:80   --cap-add=NET_ADMIN   -e ServerIP=52.66.18.251   --name pihole  diginc/pi-hole:debian

pihole is running at pot 8080 but isn't configured to openvpn
get pihole ip
$docker inspect pihole

for me 172.17.0.3
4.OpenVPN+Pihole
$docker exec -it openvpn /bin/bash
$export TERM=xterm
$apk update 
$apk add nano 
$nano /etc/openvpn/openvpn.conf
### Push Configurations Below
push block-outside-dns
push dhcp-option DNS 172.17.0.3
#push dhcp-option DNS 8.8.4.4

ctrl+x to save
before restarting openvpn
go to youtube.com, you will see advertisement in homepage

finally restart openvpn

$docker restart openvpn

reload youtube.com
go to youtube.com, you will see advertisement blocked in homepage
enjoy, thanks watching