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            <h1>Running Pi-Hole Network Wide Ad Blocker Using Docker</h1>
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          <h2>What is Pi-Hole?</h2>

<blockquote cite="https://portainer.io">The Pi-hole&reg; is a DNS sinkhole that protects your devices from unwanted content, without installing any client-side software. -<a href="https://github.com/pi-hole/pi-hole" target="_blank">https://github.com/pi-hole/pi-hole</a></blockquote>

<h2>Installing Docker</h2>

<ol>
	<li>Log into the Linux based device</li>
	<li>Run the following commands in the terminal
	<div class="codeBlock"># install prerequisites<br />
	sudo apt install apt-transport-https ca-certificates curl software-properties-common gnupg-agent -y<br />
	# add docker gpg key<br />
	curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -<br />
	# add docker software repository<br />
	sudo add-apt-repository &quot;deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable&quot;<br />
	# install docker<br />
	sudo apt install docker-ce docker-compose containerd.io -y<br />
	# enable and start docker service<br />
	sudo systemctl enable docker &amp;&amp; sudo systemctl start docker<br />
	# add the current user to the docker group<br />
	sudo usermod -aG docker $USER<br />
	# reauthenticate for the new group membership to take effect<br />
	su - $USER<br />
	# edit resolvd config<br />
	sudo nano /etc/systemd/resolved.conf</div>
	</li>
	<li>Uncomment the line starting with DNSStubListener= and set the value to no
	<p>DNSStubListener=no</p>
	</li>
	<li>Press CTRL+O, Enter, CTRL+X to write the changes to resolved.conf</li>
	<li>Continue with the following commands to restart systemd-resolve to free up port 53
	<div class="codeBlock"># restart the systemd-resolve service<br />
	sudo systemctl restart systemd-resolved</div>
	</li>
</ol>

<h2>Running Pi-Hole</h2>

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	<li>Now that Docker is installed, run the following commands to setup the Pi-Hole Docker container and run it
	<div class="codeBlock"># create working directories<br />
	mkdir /home/$USER/docker/pihole -p &amp;&amp; mkdir /home/$USER/docker/pihole/dnsmasq.d -p<br />
	# run the pihole docker container<br />
	docker run -d --name=pihole -e TZ=America/New_York -e WEBPASSWORD=password -v /home/$USER/docker/pihole/:/etc/pihole -v /home/$USER/docker/pihole/dnsmasq.d:/etc/dnsmasq.d -p 80:80 -p 53:53/tcp -p 53:53/udp --restart=unless-stopped pihole/pihole</div>
	</li>
	<li>Once the Pi-Hole container is downloaded and running, open a web browser and navigate to http://DNSorIP/admin</li>
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<p>Documentation: <a href="https://github.com/pi-hole/docker-pi-hole" target="_blank">https://github.com/pi-hole/docker-pi-hole</a></p>
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