diff --git a/nix/flake.lock b/nix/flake.lock
old mode 100755
new mode 100644
diff --git a/nix/flake.nix b/nix/flake.nix
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new mode 100644
index 8712584..cc4ab22
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -16,7 +16,6 @@
       ...
     }:
     let
-      systems = [ "x86_64-linux" ];
       hosts = [
         {
           name = "wsl-kumatani";
diff --git a/nix/home-old.nix b/nix/home-old.nix
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new mode 100644
diff --git a/nix/hosts/tux/configuration.nix b/nix/hosts/tux/configuration.nix
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new mode 100644
diff --git a/nix/hosts/tux/hardware-configuration.nix b/nix/hosts/tux/hardware-configuration.nix
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diff --git a/nix/hosts/wsl-kumatani/configuration.nix b/nix/hosts/wsl-kumatani/configuration.nix
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new mode 100644
diff --git a/nix/hosts/wsl-usahara/configuration.nix b/nix/hosts/wsl-usahara/configuration.nix
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new mode 100644
diff --git a/nix/modules/commonPackages.nix b/nix/modules/commonPackages.nix
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new mode 100644
diff --git a/nix/modules/default.nix b/nix/modules/default.nix
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diff --git a/nix/modules/hm.nix b/nix/modules/hm.nix
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new mode 100644
diff --git a/nix/modules/i3.nix b/nix/modules/i3.nix
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new mode 100644
diff --git a/nix/modules/kanata.nix b/nix/modules/kanata.nix
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new mode 100644
diff --git a/nix/users/luca/git.nix b/nix/users/luca/git.nix
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diff --git a/nix/users/luca/home.nix b/nix/users/luca/home.nix
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diff --git a/nix/users/luca/tmux.nix b/nix/users/luca/tmux.nix
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diff --git a/nix/users/luca/zsh.nix b/nix/users/luca/zsh.nix
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new mode 100644