global nix profile and latest kernel for nixos-vps

machines/NixOS-VPS/default.nix

@@ -7,13 +7,13 @@
 
     ./disk-config.nix
     ./network.nix
-    ./nix.nix
     customModules.devices
     customModules.libvirt-guests
     customModules.persist
     customModules.users
 
-    customProfiles.hardened
+    # customProfiles.hardened
+    customProfiles.nix
     ./services/backups.nix
     ./services/dns.nix
     ./services/tailscale.nix
@@ -30,6 +30,9 @@
     })
   ];
 
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  services.qemuGuest.enable = lib.mkForce true;
+
   # Impermanence
   boot.initrd = {
     # hardware

machines/NixOS-VPS/nix.nix

@@ -1,39 +0,0 @@
-{ config, lib, pkgs, inputs, ... }: {
-  nix = {
-    # package = pkgs.lix;
-    nixPath = lib.mkForce [ "self=/etc/self/compat" "nixpkgs=/etc/nixpkgs" ];
-    registry.self.flake = inputs.self;
-    # registry.nixpkgs.flake = inputs.nixpkgs;
-    optimise.automatic = lib.mkDefault true;
-    extraOptions = ''
-      builders-use-substitutes = true
-      experimental-features = nix-command flakes
-      flake-registry = ${inputs.flake-registry}/flake-registry.json
-    '';
-    settings = {
-      auto-optimise-store = false;
-      require-sigs = true;
-      substituters = [
-        "https://cache.nixos.org"
-        "https://nix-community.cachix.org"
-        "https://ataraxiadev-foss.cachix.org"
-        # "https://cache.ataraxiadev.com/ataraxiadev"
-        "https://numtide.cachix.org"
-        "https://devenv.cachix.org"
-        "https://ezkea.cachix.org"
-      ];
-      trusted-public-keys = [
-        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-        "ataraxiadev-foss.cachix.org-1:ws/jmPRUF5R8TkirnV1b525lP9F/uTBsz2KraV61058="
-        # "ataraxiadev:/V5bNjSzHVGx6r2XA2fjkgUYgqoz9VnrAHq45+2FJAs="
-        "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
-        "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
-        "ezkea.cachix.org-1:ioBmUbJTZIKsHmWWXPe1FSFbeVe+afhfgqgTSNd34eI="
-      ];
-      trusted-users = [ "root" config.mainuser "@wheel" ];
-    };
-  };
-  environment.etc.nixpkgs.source = inputs.nixpkgs;
-  environment.etc.self.source = inputs.self;
-}