The Book

• Install “Container Manager” via Synology “Package Center”
• Add your current DNS server to “Control Panel→Network→General”. Check “Manually Configure DNS Server” and add your preferfed DNS server
• Go to the “File Station” and open the docker folder. Inside the docker folder, create one new folder and name it pihole. Follow the instructions in the image below. Note: only lowercase, not uppercase letters.
• Now create two new folders inside the pihole folder that you previously created at STEP 4 and name them dnsmasq.d and pihole. Follow the instructions in the image below. Note: only lowercase, not uppercase letters.
• Go to “Control Panel→Task Scheduler→Create→Scheduled Task→User-defined script”
• Once you click on User-defined script a new window will open.
• Tab “General” - In the Task field type in “Install Pi-hole“. Uncheck “Enabled” option. Select root User.
• Tab “Schedule” - Select Run on the following date then select “Do not repeat“.
• Tab “Task Settings” - Check “Send run details by email“, add your email then copy paste the code below in the Run command area.

docker run -d --name Pi-Hole \
  --security-opt no-new-privileges=false \
  -v /volume1/docker/pihole/dnsmasq.d:/etc/dnsmasq.d:rw \
  -v /volume1/docker/pihole/pihole:/etc/pihole:rw \
  -e FTLCONF_webserver_api_password="YourPassword" \
  -e FTLCONF_webserver_port=8080 \
  -e TZ=Europe/Zagreb \
  -e FTLCONF_dns_listeningMode=all \
  -e DNSMASQ_USER=pihole \
  -e PIHOLE_UID=1026 \
  -e PIHOLE_GID=100 \
  --cap-add SYS_TIME \
  --cap-add SYS_NICE \
  --restart on-failure:5 \
  --net=host \
  pihole/pihole

• Before clicking “OK” do the following changes
• Set your password to “FTLCONF_webserver_api_password”
• Set your time zone to “TZ”
• Set your UID to “PIHOLE_UID” (how to find my UID and GID ?)
• Set your GID to “PIHOLE_GID” (how to find my UID and GID ?)
• Press “OK” and “Submit” with your DSM Password
• Select your “Install Pi-hole” tast and click on “Run” Tab
• Confirm and wait a few seconds / minutes. It will depend on your Internet speed connection.
• Now open your browser and type in http://Synology-ip-address:8080/admin/login Type in the Password (FTLCONF_webserver_api_password) that you have previously created. Click Log in.
• You are in !