What is is this doing?

This is essentially swapping out your root system of your Linux with the ones defined in the image you choose wile leaving your user untouched. This lets you use these images without reinstalling your whole OS and keeping your user files.

[!WARNING] This is assuming you already have an Fedora Atomic Desktop installed.

Commands

There are 2 images of BlueCat:

• AMD/Intel - This image is for people using a AMD, Intel or integrated graphics cards.
• Nvidia - This image comes with the proprietary Nvidia drivers preinstalled for the people using Nvidia graphics cards.

AMD/Intel

• First rebase to the unsigned image, to get the proper signing keys and policies installed:

  rpm-ostree rebase ostree-unverified-registry:ghcr.io/polycatdev/bluecat:latest
  

• Reboot to complete the rebase:

  systemctl reboot
  

• Then rebase to the signed image, like so:

  rpm-ostree rebase ostree-image-signed:docker://ghcr.io/polycatdev/bluecat:latest
  

• Reboot again to complete the installation

  systemctl reboot
  

Nvidia

• First rebase to the unsigned image, to get the proper signing keys and policies installed:

  rpm-ostree rebase ostree-unverified-registry:ghcr.io/polycatdev/bluecat-nvidia:latest
  

• Reboot to complete the rebase:

  systemctl reboot
  

• Then rebase to the signed image, like so:

  rpm-ostree rebase ostree-image-signed:docker://ghcr.io/polycatdev/bluecat-nvidia:latest
  

• Reboot again to complete the installation

  systemctl reboot