Installing NSD on Fedora CoreOS Latest

NSD (Name Server Daemon) is an open-source, authoritative DNS server released under the BSD license. In this tutorial, we will guide you through the process of installing NSD on Fedora CoreOS Latest.

Prerequisites

Before we start with the installation process, make sure that you have access to the following:

• A user account with sudo or root privileges.
• A stable internet connection to download the necessary packages.

Step 1 - Update the System

First, we need to update the system to ensure that we have the latest packages and security updates. Run the following command to update your system:

$ sudo dnf update -y

Step 2 - Install NSD

Now, we can install NSD using the DNF package manager. Run the following command to install NSD:

$ sudo dnf install -y nsd

After the installation is complete, you can check the version of NSD installed by running the following command:

$ nsd -v

Step 3 - Configure NSD

NSD comes with a default configuration file located at /etc/nsd/nsd.conf. This file includes the necessary configuration to get NSD up and running.

We recommend making a backup of this file before making any changes to it. You can make a backup by running the following command:

$ sudo cp /etc/nsd/nsd.conf /etc/nsd/nsd.conf.bak

Then, open the configuration file using your preferred text editor:

$ sudo vim /etc/nsd/nsd.conf

The configuration file contains comments explaining each option. You can customize the configuration according to your needs. At a minimum, you will need to update the following options:

• server: – Change the IP address and port number of the server. By default, NSD listens on all network interfaces and port 53.
• zone: – Add your domain name and the location of the zone file. The default location is /var/lib/nsd.

After making the necessary changes, save and close the file.

Step 4 - Start and Enable NSD

Once you have configured NSD, you can start the service using the following command:

$ sudo systemctl start nsd

To ensure that NSD starts at boot time, you can enable it as a system service:

$ sudo systemctl enable nsd

You can verify that NSD is running by running the following command:

$ sudo systemctl status nsd

Conclusion

That’s it! You have successfully installed and configured NSD on your Fedora CoreOS Latest system. You can now start using NSD as your authoritative DNS server.

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