3 # This value determines the NixOS release with which your system is to be
4 # compatible, in order to avoid breaking some software such as database servers.
5 # You should change this only after NixOS release notes say you should.
6 system.stateVersion = "19.09"; # Did you read the comment?
8 services.unbound.enable = true;
10 nix.gc.dates = "daily";
11 nix.gc.options = "--delete-older-than 2d";
13 environment.systemPackages = with pkgs; [