First, make sure you have npm and nodejs installed. Check here https://nodejs.org/en/download/package-manager/ if you dont't.
Create a folder for blog
mkdir ~/blog
If you already have python installed through the package manager and you want to install pip through the package manager:
sudo apt-get install python-pip
Next you'll install https://github.com/axitkhurana/buster with pip. This is what generates your static site:
sudo pip install buster