Flatcar (that it is based on) is designed to only run containers. So you don’t install any tools via a package manager, you would pull containers to do the work

Flatcar (that it is based on) is designed to only run containers. So you don’t install any tools via a package manager, you would pull containers to do the work. You can do one-off configuration by writing scripts to run when the machine first boots, but after that the whole system is immutable except for whatever containers you’ve configured