How to Install Unbound on Debian Latest
In this tutorial, we will go through the steps to install Unbound on Debian Latest. Unbound is a validating, recursive, caching DNS resolver. It provides DNSSEC validation, and can prevent numerous DNS attacks.
Prerequisites
Before we start, you will need:
- A Debian Latest instance
- A user account with sudo privileges
Step 1: Update the System
Update the system to ensure that all packages are up to date.
sudo apt update && sudo apt upgrade -y
Step 2: Install the Unbound Package
Install the Unbound package by running the following command:
sudo apt install unbound -y
Step 3: Configure Unbound
The main configuration file for Unbound is located at /etc/unbound/unbound.conf. Open the file with a text editor:
sudo nano /etc/unbound/unbound.conf
Unbound is already configured for basic operation. You can make any necessary changes based on your requirements.
Step 4: Start/Stop and Restart Unbound
Once Unbound is installed, it starts automatically and runs as a daemon. You can start, stop or restart the Unbound service by running the following commands:
- To start Unbound:
sudo systemctl start unbound - To stop Unbound:
sudo systemctl stop unbound - To restart Unbound:
sudo systemctl restart unbound
Conclusion
Congratulations! You have successfully installed and configured Unbound on Debian Latest. Unbound is a powerful DNS resolver, that can provide DNSSEC validation, and prevent various DNS attacks.