diff --git a/hosts/desktop/default.nix b/hosts/desktop/configuration.nix
similarity index 100%
rename from hosts/desktop/default.nix
rename to hosts/desktop/configuration.nix
diff --git a/hosts/laptop/default.nix b/hosts/laptop/configuration.nix
similarity index 100%
rename from hosts/laptop/default.nix
rename to hosts/laptop/configuration.nix
diff --git a/hosts/srv-core/default.nix b/hosts/srv-core/configuration.nix
similarity index 100%
rename from hosts/srv-core/default.nix
rename to hosts/srv-core/configuration.nix
diff --git a/hosts/srv-core/hardware.nix b/hosts/srv-core/hardware.nix
index 888a405..fc86ee3 100644
--- a/hosts/srv-core/hardware.nix
+++ b/hosts/srv-core/hardware.nix
@@ -1,4 +1,7 @@
-_: {
+{ inputs, ... }:
+{
+  imports = [ inputs.nixos-hardware.nixosModules.hardkernel-odroid-h4 ];
+
   nixpkgs.hostPlatform = "x86_64-linux";
 
   boot = {
diff --git a/hosts/vps-ns/default.nix b/hosts/vps-ns/configuration.nix
similarity index 100%
rename from hosts/vps-ns/default.nix
rename to hosts/vps-ns/configuration.nix
diff --git a/hosts/vps-www/default.nix b/hosts/vps-www/configuration.nix
similarity index 100%
rename from hosts/vps-www/default.nix
rename to hosts/vps-www/configuration.nix