How to Install djbdns on nixOS Latest

Djbdns is an open-source DNS server suite designed to be secure, simple, and reliable. The software is widely used as an alternative to BIND, which is more complex and prone to security vulnerabilities. If you're looking to install djbdns on your nixOS latest system, follow the step-by-step tutorial below:

Step 1: Update the nixOS Package Manager

Before installing djbdns, update the nixOS package manager by running the following command in your terminal:

sudo nix-channel --update

Step 2: Install the Required Dependencies

To install djbdns, you need to install the following dependencies:

  • gcc: The GNU Compiler Collection.
  • make: A build automation tool that automatically builds executable programs and libraries from source code.
  • musl: A lightweight C library that provides basic functionality for Unix-like systems.
  • dash: The Debian Almquist Shell.

To install these dependencies, run the following command:

sudo nix-env -i gcc make musl dash

Step 3: Download and Install djbdns

Now that you've installed the required dependencies, you can download and install djbdns. Follow these steps:

  1. Go to the djbdns website at http://cr.yp.to/djbdns.html.
  2. Download the most recent version of the software (for example, djbdns-1.05.tar.gz) to your system.
  3. Extract the downloaded file to a folder of your choice.
tar -xzf djbdns-1.05.tar.gz
  1. Change into the extracted folder.
cd djbdns-1.05
  1. Build and install djbdns by running the following commands:
make setup check
sudo make setup check

The first command builds djbdns, while the second command installs it. You may need to provide your sudo password to complete the installation.

Step 4: Configure djbdns

After installing djbdns, you can configure it according to your needs by editing the files in the djbdns-1.05/ folder. The most important files for configuring djbdns are:

  • dnscache/root/ip: This file specifies the IP address of your DNS root servers.
  • dnscache/env/IP: This file specifies the IP address of your server.
  • dnscache/ip: This file specifies the IP address of the machine hosting the DNS cache.

You can edit these files using any text editor of your choice.

Conclusion

Congratulations! You have successfully installed djbdns on your nixOS latest system. You can now use this secure, simple, and reliable DNS server to resolve domain names and provide DNS services to your network.