29bf511ef9
The kubeconfig provided to the kubernetes-control-plane-online.service is invalid. However, the apiserver /healthz endpoint can be accessed without auth so it's simpler to just use curl for that.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.