The article provides a guide on setting up Fedora CoreOS using Ignition files without facing frustrations.CoreOS setup challenges often stem from the initial entry point rather than complexity.The guide simplifies the process of creating an Ignition file for a functional Fedora CoreOS system.The Ignition file is crucial, defining the system configuration pre-installation.A YAML file is created first, specifying SSH access for the default user, and then converted to JSON using Butane.The JSON Ignition file is what CoreOS reads during the initial boot to configure the system.The article details the process of making the Ignition file available to CoreOS during installation, often a stumbling block for users.One method is hosting the file on a local HTTP server, easily set up using Python.Alternative methods to provide the Ignition file include using a USB stick, cloud providers, or network boot.The installation process involves booting from the Fedora CoreOS ISO and executing coreos-installer with the Ignition file URL.