How to Install djbdns on Elementary OS Latest

Introduction

djbdns is a secure and reliable DNS (Domain Name System) server software created by Daniel J. Bernstein. In this tutorial, we will explain how to install djbdns on Elementary OS Latest.

Prerequisites

Before installing djbdns, make sure that your system is up-to-date and you have the following packages installed:

  • gcc
  • make
  • patch
  • tar

You can install these packages using the following command:

sudo apt-get update
sudo apt-get install -y gcc make patch tar

Download and Install djbdns

Follow these steps to download and install djbdns:

  1. Download the latest version of djbdns from http://cr.yp.to/djbdns.html. At the time of writing this tutorial, the latest version is djbdns-1.05.

    wget http://cr.yp.to/djbdns/djbdns-1.05.tar.gz

  2. Extract the tarball using the following command:

    tar -xzf djbdns-1.05.tar.gz

  3. Change the directory to the extracted folder:

    cd djbdns-1.05

  4. Apply the patch for djbdns using the following command:

    patch -p1 < /path/to/your/patch/file

    If you don't have a patch file, you can skip this step.

  5. Compile and install djbdns using the following commands:

    make
sudo make setup check

    The make command will compile the djbdns server software, and the make setup check command will install it.

  6. Create a dnscache user and group using the following commands:

    sudo groupadd -g 500 dnscache
sudo useradd -u 500 -g dnscache -d /home/dnscache -s /bin/false dnscache

  7. Change the ownership of the /etc/dnscache directory to the dnscache user and group using the following command:

    sudo chown -R dnscache:dnscache /etc/dnscache

  8. Start the djbdns service using the following command:

    svc -u /etc/service/dnscache/

    This command will start the djbdns service, and it will run in the background.

Conclusion

In this tutorial, we have explained how to install djbdns on Elementary OS Latest. djbdns is a reliable and secure DNS server software, and it can provide faster response times and increased security compared to other DNS servers.