How to Install Lavagna on NixOS Latest

If you want to install Lavagna, an open-source web-based collaborative Whiteboard, on NixOS Latest, follow the steps below.

Step 1: Update Your System

Before installing any new software, update your system to ensure that it has the latest packages:

sudo nix-channel --update
sudo nixos-rebuild switch

Step 2: Install Lavagna Dependencies

Lavagna depends on Node.js and graphics libraries. You can install these dependencies using the Nix package manager:

sudo nix-env -iA nixos.nodejs-12_x graphicsmagick

Step 3: Download and Install Lavagna

Next, clone the Lavagna Git repository into your preferred directory (e.g., /opt/lavagna):

sudo mkdir /opt/lavagna
sudo chown $(whoami) /opt/lavagna
git clone https://github.com/digitalis-io/lavagna.git /opt/lavagna

Now, install Lavagna's dependencies using Node Package Manager (npm):

cd /opt/lavagna
npm install

Step 4: Edit Lavagna Configuration

By default, Lavagna listens on port 9000. You can change this and other settings by editing the config.js file:

nano /opt/lavagna/config.js

Review and modify the configuration to suit your needs.

Step 5: Start Lavagna

Finally, start Lavagna using Node.js:

cd /opt/lavagna
npm start

If successful, navigate to http://localhost:9000 to access Lavagna.

That's it! You have successfully installed Lavagna on NixOS Latest.