How to Install djbdns on Arch Linux

djbdns is a small, secure, and reliable DNS server software package designed by Daniel J. Bernstein. If you are looking for a simple and efficient DNS server solution, djbdns is a good choice. Arch Linux has a user repository and a package manager that simplifies the process of installation.

In this tutorial, we will show you the steps to install djbdns from http://cr.yp.to/djbdns.html on Arch Linux.

Step 1: Update Your System

Before installing any software on the system, it is essential to ensure that the system is up-to-date. Update the system and its packages using the following command:

sudo pacman -Syu

Step 2: Install Dependencies

djbdns requires the ucspi-tcp package installed. For that, use the command:

sudo pacman -S ucspi-tcp

Step 3: Download the Source Code

Download the source code from Daniel J. Bernstein's website using the following command:

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

Step 4: Extract the Source Code

Extract the downloaded source code files using the following command:

tar -xvzf djbdns-1.05.tar.gz

Step 5: Compile the Source Code

Inside the extracted directory, run the make command to compile the software:

cd djbdns-1.05
sudo make setup check

Step 6: Create User and Group

Next, create a new user and group, respectively, for running djbdns:

sudo groupadd -g 507 dns
sudo useradd -c 'djbdns software' -d /var/djbdns -g dns -s /bin/false -u 507 dnslog

Step 7: Configure and Run the Server

Now, create the configuration file for the djbdns server:

sudo mkdir -p /etc/dnscache
sudo vim /etc/dnscache/root/ip

Add the following data to the configuration file:

127.0.0.1

Start the server using the run script:

sudo /usr/local/bin/dnscache-run /etc/dnscache /etc/dnscache/log/main /etc/dnscache/root

Step 8: Test the Server

You can now query the server using the nslookup command or any DNS client to ensure that the server is working correctly:

nslookup google.com 127.0.0.1

This command queries the djbdns server running on localhost with the IP address 127.0.0.1 to resolve google.com. If the query returns the correct result, it indicates that the server is working correctly.

Conclusion

In this tutorial, you learned how to install djbdns from http://cr.yp.to/djbdns.html on Arch Linux. By following these steps, you have a small, secure, and efficient DNS server running on your system. Once the server is running, you can configure your system's DNS settings, direct your clients and applications to this server, and enjoy stable and reliable DNS functionality.

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