How to install Yarr on NixOS Latest

In this tutorial, we will go over the steps to install Yarr, a simple RSS feed reader, on NixOS Latest.

Step 1: Clone the Yarr repository

To install Yarr on NixOS, we need to first clone the Yarr repository. Open up a terminal on your NixOS machine and type the following command:

git clone https://github.com/nkanaev/yarr

This will clone the Yarr repository onto your machine.

Step 2: Install Yarr's dependencies

Before we can build and install Yarr, we need to install its dependencies. To do this, run the following command in your terminal:

nix-shell -p python3 python3Packages.pip -p postgresql

This will create a new shell environment with Python 3 and PostgreSQL installed.

Step 3: Install Yarr

Now that we have cloned the Yarr repository and installed its dependencies, we can build and install Yarr. Navigate to the Yarr directory and run the following command:

python3 setup.py install

This will install Yarr on your machine.

Step 4: Configure Yarr

Yarr needs to be configured before it can be used. Navigate to the Yarr directory and create a new file called config.yaml. This file should contain your Yarr configuration, such as your database connection string and RSS feed URLs. Here is an example configuration:

database:
  url: postgresql://username:password@localhost:5432/yarr

feeds:
- url: https://xkcd.com/rss.xml
- url: https://www.reddit.com/r/programming/.rss

Step 5: Run Yarr

To run Yarr, simply run the following command in your terminal:

yarr

This will start the Yarr web server. You can then navigate to http://localhost:8080 in your web browser to view your RSS feeds.

Congratulations! You have successfully installed Yarr on NixOS Latest.