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What Is Pi-hole & Why Would You Want To Use It?




Pi-hole is a network-wide ad-blocking application that acts as a DNS sinkhole, blocking advertisements, trackers, and malicious domains for all connected devices. By acting as a DNS server, it prevents ads from loading before they reach devices, improving network speed and performance. It is typically installed on low-power devices like a Raspberry Pi. 
Key Benefit 
  • Network-Wide Protection: Protects all devices (computers, smart TVs, IoT, mobile) without requiring individual client installations.
  • DNS Sinkhole Technology: Intercepts DNS requests for known ad/tracker domains and prevents them from loading.
  • Performance Improvement: Reduces bandwidth usage by blocking unwanted content.

Building a Pi-hole creates a network-wide ad blocker that protects every device on your network without needing individual browser extensions. As of January 2026, the most reliable way to set one up is using a Raspberry Pi or any Linux-compatible device. 
1. Requirements
  • Hardware: A Raspberry Pi (model 3B+ or newer is recommended for performance, though older models work).
  • Storage: A 16GB Micro SD card (Class 10 recommended).
  • OS: Raspberry Pi OS Lite (64-bit preferred).
  • Power & Connectivity: A stable power supply and an Ethernet cable for a more reliable connection than Wi-Fi. 
2. Prepare the Operating System
  1. Flash the OS: Use the Raspberry Pi Imager to write Raspberry Pi OS Lite to your SD card.
  2. Enable SSH: In the imager's "Advanced Options," enable SSH and set a username/password so you can manage the Pi remotely.
  3. Boot & Update: Insert the card into your Pi, power it on, and log in via SSH (e.g., ssh username@pi-hole.local). Run the following command to ensure the system is current:
    sudo apt update && sudo apt upgrade -y.     
3. Install Pi-hole 
Run the official automated installer with this command: 
bash
curl -sSL
Use code with caution.
bash
https://install.pi-hole.net
Use code with caution.
bash
 | bash
Use code with caution.
 
During the setup wizard:
  • Static IP: Confirm your current IP as static so your router doesn't change it.
  • Upstream DNS: Select a provider like Cloudflare (1.1.1.1) or Google to handle requests that Pi-hole doesn't block.
  • Web Interface: Select Yes to install the Admin Web Interface for easy management.
  • Finish: At the end, note the Admin Password displayed on the screen. 
4. Configure Your Network
To make Pi-hole work for your whole house, you must point your router's DNS to the Pi's IP address. 
  1. Log into your Router Admin Panel (often 192.168.1.1).
  2. Find the DHCP or LAN Settings.
  3. Change the Primary DNS Server to your Pi-hole's IP address.
  4. Save and reboot your router. 
5. Access the Dashboard 
Once set up, you can monitor blocked traffic by visiting http://pi.hole/admin or http://[Your-Pi-IP]/admin in any browser on your network. 
Note: For advanced users, Pi-hole can also be deployed as a Docker container for easier maintenance and portability. 

These guides detail the hardware, software, and network configuration steps for building a Pi-hole ad blocker: 

Building a Pi-hole creates a network-wide ad blocker that protects every device on your network without needing individual browser extensions. As of January 2026, the most reliable way to set one up is using a Raspberry Pi or any Linux-compatible device. 
1. Requirements
  • Hardware: A Raspberry Pi (model 3B+ or newer is recommended for performance, though older models work).
  • Storage: A 16GB Micro SD card (Class 10 recommended).
  • OS: Raspberry Pi OS Lite (64-bit preferred).
  • Power & Connectivity: A stable power supply and an Ethernet cable for a more reliable connection than Wi-Fi. 
2. Prepare the Operating System
  1. Flash the OS: Use the Raspberry Pi Imager to write Raspberry Pi OS Lite to your SD card.
  2. Enable SSH: In the imager's "Advanced Options," enable SSH and set a username/password so you can manage the Pi remotely.
  3. Boot & Update: Insert the card into your Pi, power it on, and log in via SSH (e.g., ssh username@pi-hole.local). Run the following command to ensure the system is current:
    sudo apt update && sudo apt upgrade -y.     
3. Install Pi-hole 
Run the official automated installer with this command: 
bash
curl -sSL
Use code with caution.
bash
https://install.pi-hole.net
Use code with caution.
bash
 | bash
Use code with caution.

 

During the setup wizard:
  • Static IP: Confirm your current IP as static so your router doesn't change it.
  • Upstream DNS: Select a provider like Cloudflare (1.1.1.1) or Google to handle requests that Pi-hole doesn't block.
  • Web Interface: Select Yes to install the Admin Web Interface for easy management.
  • Finish: At the end, note the Admin Password displayed on the screen. 
4. Configure Your Network
To make Pi-hole work for your whole house, you must point your router's DNS to the Pi's IP address. 
  1. Log into your Router Admin Panel (often 192.168.1.1).
  2. Find the DHCP or LAN Settings.
  3. Change the Primary DNS Server to your Pi-hole's IP address.
  4. Save and reboot your router. 
5. Access the Dashboard 
Once set up, you can monitor blocked traffic by visiting http://pi.hole/admin or http://[Your-Pi-IP]/admin in any browser on your network. 
Note: For advanced users, Pi-hole can also be deployed as a Docker container for easier maintenance and portability. 
These guides detail the hardware, software, and network configuration steps for building a Pi-hole ad blocker:
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