ark/users/root/default.nix

{...}: {
  users.users.root.initialHashedPassword = "$6$XLWo1sPpgp63Zm$XHBbULH9q1gb/.yalPPU/I7EgTcW80bM.moCjIe/qGyOwE47VcXNVbTHloBZdIWQq0MfIG0IxInAu59.oJyos/";
}