How to Install Fenrus on OpenBSD

Fenrus is a self-hosted data breach monitoring solution that alerts you in real-time whenever your data has been compromised. In this tutorial, we will show you how to install Fenrus on your OpenBSD operating system.

Prerequisites

Before you start installing Fenrus on your OpenBSD system, you need to ensure that:

• You have a user account with administrative privileges on your OpenBSD system.
• You have a stable internet connection.
• You have git installed on your system.

Step 1: Clone the Fenrus Repository

The first step is to clone the Fenrus repository from GitHub. To do so, open the terminal on your OpenBSD system and run the following command:

git clone https://github.com/revenz/fenrus.git

This command will create a new directory named "fenrus" in your current working directory.

Step 2: Install Dependencies

Next, we need to install some dependencies required for Fenrus to run smoothly. OpenBSD provides the "pkg_add" command-line tool to install packages. Run the following command to install the required dependencies:

sudo pkg_add postgresql-client py3-psycopg2 py3-sqlalchemy py3-requests py3-toml

Step 3: Configure the Database

Fenrus requires a PostgreSQL database to store all the data. So, we need to create a new database and set up the necessary configuration. Follow the steps below to configure the database:

1. Log in to your PostgreSQL console using the following command:

   psql -U postgres
   

2. Create a new database with the name "fenrus" using the following command:

   CREATE DATABASE fenrus;
   

3. Create a new user with the name "fenrus_user" and set a secure password for the user using the following command:

   CREATE USER fenrus_user WITH PASSWORD 'your_password';
   

4. Grant all the privileges to the user for the "fenrus" database using the following command:

   GRANT ALL PRIVILEGES ON DATABASE fenrus TO fenrus_user;
   

5. Exit from the PostgreSQL console using the following command:

   \q
   

Step 4: Configure the Application

We need to set up some configurations for the Fenrus application. To do so, navigate to the "fenrus" directory and copy the "config-example.toml" file to "config.toml" using the following command:

cd fenrus/
cp config-example.toml config.toml

Next, open the "config.toml" file using your favorite text editor and set the following configurations:

• Set the "server_host" configuration to "0.0.0.0" to allow connections from any IP Address.
• Set the "server_port" configuration to any available port number.
• Set the "database_host" configuration to "127.0.0.1".
• Set the "database_port" configuration to "5432".
• Set the "database_name" configuration to "fenrus".
• Set the "database_username" configuration to "fenrus_user".
• Set the "database_password" configuration to the password you set for "fenrus_user" in Step 3.

Save the file and exit the text editor.

Step 5: Install Python Dependencies

The next step is to install the required Python dependencies. Navigate to the "fenrus" directory and run the following command:

pip3 install -r requirements.txt

This command will download and install all the Python dependencies required by the Fenrus application.

Step 6: Run the Application

Finally, we are ready to run the Fenrus application. Navigate to the "fenrus" directory and run the following command:

python3 fenrus.py

If everything is set up correctly, you should see the Fenrus application running on your OpenBSD system. You can access the application using a web browser by entering the IP Address of your OpenBSD system along with the port number you set in the "config.toml" file. For example, if your OpenBSD system's IP Address is "192.168.1.100" and the port number is "8000", you can access the Fenrus application using "http://192.168.1.100:8000" in your web browser.

Conclusion

In this tutorial, we showed you how to install Fenrus on your OpenBSD system. With Fenrus, you can monitor your data breaches in real-time and take necessary action to protect your sensitive data.

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