Restricting Secure Boot to openSUSE keys only

This procedure might brick your device. Proceed with caution, you have been warned. &#xA; EDIT: This procedure has been updated on 2026-08-11 given the helpful feedback of helpful people which was helpful. &#xA; If you are confused by the whole key nomenclature in UEFI, go and see this excellent blog post for a summary of the different UEFI key types. In this guide we need three key types: The…