How to install Frab on NixOS Latest

Frab is a free conference management system designed to help you organize and manage conferences, events or congresses.

Here's how you can install Frab on NixOS Latest:

Prerequisites

Before you start the installation process, you need to ensure that the following prerequisites are met:

• You have administrative access to the NixOS Latest system that you want to install Frab on.
• You have a stable internet connection.

Step 1: Install NixPkgs

First, you'll need to install NixPkgs, which is a collection of over 50,000 package definitions for the Nix package manager. To install it, run:

$ nix-env -iA nixpkgs.nix

Step 2: Install Ruby

Next, you'll need to install Ruby, which is required by Frab. To install Ruby, run:

$ nix-env -iA nixpkgs.ruby

Step 3: Install PostgreSQL

Frab requires a PostgreSQL database to operate. You can install it by running:

$ nix-env -iA nixpkgs.postgresql

Step 4: Create a database and user for Frab

Next, create a new PostgreSQL database and a user that Frab will use to access it:

$ sudo -u postgres createdb frab
$ sudo -u postgres createuser --pwprompt frab

Step 5: Install Frab

Now you can install Frab itself. To do so, run:

$ nix-env -iA nixpkgs.frab

Step 6: Initialize the database

Finally, you'll need to initialize the Frab database. To do so, run:

$ sudo -u frab frab rake db:create db:migrate db:seed

Step 7: Start Frab

Now you can start Frab itself. To do so, run:

$ sudo -u frab frab rails s

Step 8: Access Frab's web interface

Access Frab's web interface by pointing your browser to http://localhost:3000/.

And that's it! You now have a fully functioning installation of Frab on your NixOS Latest system. Enjoy!

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