How to Install Damselfly on Fedora CoreOS Latest

In this tutorial, we will guide you on how to install Damselfly on Fedora CoreOS Latest. Damselfly is a self-hosted, Go-based server that provides a private, encrypted DNS server that blocks ads and malware.

Prerequisites

Before starting the installation process, you will need to have the following:

• A running Fedora CoreOS Latest instance with root access
• A domain name to use for your Damselfly server

Step 1: Download the Damselfly Binary

First, we need to download the Damselfly binary from the official website. You can download it from https://damselfly.info/downloads.

wget https://damselfly.info/downloads/damselfly

Step 2: Create a Systemd Service Unit File

Next, we will create a Systemd service unit file to run Damselfly as a service. We will create the file at "/etc/systemd/system/damselfly.service".

sudo nano /etc/systemd/system/damselfly.service

Then, copy and paste the following configuration:

[Unit]
Description=Damselfly DNS Server

[Service]
Type=simple
ExecStart=/path/to/damselfly -u damselfly -g damselfly -c /etc/damselfly/damselfly.toml
Restart=always

[Install]
WantedBy=multi-user.target

Replace "/path/to/damselfly" with the actual path to the Damselfly binary file that you downloaded earlier.

Save the file and exit the editor by pressing "Ctrl + X", followed by "Y" and then "Enter".

Step 3: Create a Configuration File

Now, we need to create a configuration file for Damselfly. We will create the file at "/etc/damselfly/damselfly.toml".

sudo mkdir /etc/damselfly
sudo nano /etc/damselfly/damselfly.toml

Then, copy and paste the following configuration:

[Web]
Domain = "example.com"
Listen = "127.0.0.1:53"

[Upstream]
DNS = ["1.1.1.1", "1.0.0.1"]

[Blocking]
Hosts = "/etc/damselfly/hosts.txt"
Malware = "/etc/damselfly/malware.txt"

[Logging]
File = "/var/log/damselfly.log"

Replace "example.com" with your domain name that you want to use for your Damselfly server.

Save the file and exit the editor by pressing "Ctrl + X", followed by "Y" and then "Enter".

Step 4: Create Hosts and Malware Blocklist Files

We need to create two files that Damselfly will use to block hosts and malware. For example, we will create the files at "/etc/damselfly/hosts.txt" and "/etc/damselfly/malware.txt".

sudo nano /etc/damselfly/hosts.txt

Then, add the list of hosts that you want to block, one per line.

Save the file and exit the editor by pressing "Ctrl + X", followed by "Y" and then "Enter".

Similarly, create a file for Malware list:

sudo nano /etc/damselfly/malware.txt

Then, add the list of malware that you want to block, one per line.

Save the file and exit the editor by pressing "Ctrl + X", followed by "Y" and then "Enter".

Step 5: Start and Enable Damselfly Service

Now, start the Damselfly service and enable it to start automatically at boot.

sudo systemctl start damselfly.service
sudo systemctl enable damselfly.service

Step 6: Verify Damselfly

You can verify that Damselfly is working properly by checking the logs:

sudo tail -f /var/log/damselfly.log

You can also configure your DNS client (such as your web browser) to use your Damselfly server.

Conclusion

Congratulations! You have successfully installed Damselfly on Fedora CoreOS Latest. Damselfly is now blocking ads and malware for your entire network.

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