Cleanup + minor Nix changes

nixos/hosts/silver/hardware.nix

@@ -11,8 +11,6 @@
     (modulesPath + "/profiles/qemu-guest.nix")
   ];
 
-  boot.initrd.availableKernelModules = ["virtio-pci"];
-
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
   # still possible to use this option, but it's recommended to use it in conjunction

nixos/hosts/silver/services/default.nix

@@ -1,7 +1,6 @@
 {pkgs, ...}: {
   imports = [
     ./vcnotifier.nix
-    # ./nodemusicbot.nix
     ./breeze.nix
     ./min-rip.nix
     ./gitea.nix

nixos/hosts/silver/services/nodemusicbot.nix

@@ -1,9 +0,0 @@
-{config, ...}: {
-  sops.secrets."svc-nodemusicbot-env" = {};
-
-  virtualisation.oci-containers.containers.nodemusicbot = {
-    image = "git.min.rip/min/nodemusicbot:latest";
-    extraOptions = ["--rm"];
-    environmentFiles = [config.sops.secrets."svc-nodemusicbot-env".path];
-  };
-}

nixos/modules/system/default.nix

@@ -1,4 +1,4 @@
-{pkgs, ...}: {
+{inputs, pkgs, ...}: {
   imports = [
     ./hardening.nix
     ./limits.nix
@@ -25,9 +25,19 @@
   nix = {
     # Make sure flakes are enabled
     settings.experimental-features = ["nix-command" "flakes"];
+    extraOptions = ''
+      keep-outputs = true
+      keep-derivations = true
 
-    # Use our nixpkgs on legacy Nix tools.
-    # This way I don't have to `nix-channel --update` to use `nix-shell`
-    nixPath = ["nixpath=${pkgs.path}"];
+      flake-registry = ${builtins.toFile "flake-registry" (builtins.toJSON {
+        version = 2;
+        flakes = [];
+      })}
+    '';
+    nixPath = ["nixpkgs=${pkgs.path}"];
+    registry = {
+      self.flake = inputs.self;
+      nixpkgs.flake = inputs.nixpkgs;
+    };
   };
 }