diff --git a/auxin/configuration.nix b/auxin/configuration.nix
index 06cd809..56ceb91 100644
--- a/auxin/configuration.nix
+++ b/auxin/configuration.nix
@@ -9,14 +9,6 @@
     ./hardware-configuration.nix
   ];
 
-  nix = {
-    package = pkgs.nixFlakes;
-    optimise.automatic = true;
-    # gc.automatic = true;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
-  };
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -27,15 +19,39 @@
     networkmanager.enable = true; # Easiest to use and most distros use this by default.
     firewall = {
       enable = true;
-      allowedUDPPorts = [22 80 443 2222 25565 8080 8842 8191 3001 8096 7359 8420 8888 9000 8089 445];
-      allowedTCPPorts = [22 80 443 2222 25565 8080 8842 8191 3001 8096 7359 8420 8888 9000 8089 445];
+      allowedUDPPorts = [22 80 443 2222 25565 8080 8842 8191 3001 8096 7359 8420 8888 9000 8089 445 2377 22000 7946];
+      allowedTCPPorts = [22 80 443 2222 25565 8080 8842 8191 3001 8096 7359 8420 8888 9000 8089 445 2377 22000 7946];
     };
   };
-  # Set your time zone.
-  time.timeZone = "America/New_York";
 
-  # Enable the X11 windowing system.
+  environment.systemPackages = with pkgs; [
+    alacritty
+    czkawka
+    gcc
+    go
+    hyperfine
+    jellyfin-media-player
+    kodiPackages.jellyfin
+    kodiPackages.steam-controller
+    lazydocker
+    lazygit
+    nil
+    nodePackages.nodejs
+    nodePackages.pnpm
+    python3
+  ];
   services = {
+    k3s = {
+      enable = true;
+      role = "server";
+      token = "uwubernetes"; # TODO: change this
+      extraFlags = toString [
+        "--write-kubeconfig-mode \"0644\""
+        "--cluster-init"
+        # "--disable localstorage"
+      ];
+    };
+    # Enable the X11 windowing system.
     xserver = {
       enable = true;
 
@@ -53,38 +69,7 @@
         };
       };
     };
-    # smartd
-    smartd.enable = true;
-
-    # BTRFS scrub
-    btrfs.autoScrub.enable = true;
-
-    avahi = {
-      enable = true;
-      ipv4 = true;
-      ipv6 = true;
-      nssmdns6 = true;
-      nssmdns4 = true;
-      openFirewall = true;
-    };
-
-    tuptime.enable = true;
-    tuptime.timer.enable = true;
   };
-  # Configure keymap in X11
-  # services.xserver.xkb.layout = "us";
-  # services.xserver.xkb.options = "eurosign:e,caps:escape";
-
-  # Enable CUPS to print documents.
-  # services.printing.enable = true;
-
-  # Enable sound.
-  # sound.enable = true;
-  # hardware.pulseaudio.enable = true;
-
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users = {
     users = {
@@ -105,101 +90,9 @@
           }
         ];
       };
-      root.openssh.authorizedKeys.keys = [
-        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIMggnmTj7KL409V2mtbPgKERbmyJAeCGBcyzxWW+arRZAAAABHNzaDo= yubikey-black"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAltYcKHavkQBJFlogNuT3JhX6ob30V3EYje4pOQBLgq gpg\\mira.kristipati@gmail.com"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEKT/rbUu87QyRD7L/QSr+lQMJz2m/mdqlqyCQEMwUJj gpgssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEw3/9inZC/MRPkuOF6T5LiFoOlgo5HZVIM36IC+hlzJ gpg\\mira-yubikey-black"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFdRtpQWCPyQQuzcwlbFukGZSlRTcfNzG840kMvbuPwr gpg\\kristipati.ajay@gmail.com"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIA0ikP2zdDBaJZ+aoE6jFz3UpCyHjz1r1QtuZTAvTpx zagreus25519"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJx1GWB1xkE+ECavUypp99FqmB4emiw+j2PpsxN8OXpa gpg\\mira@xn--2dkua.xn--tckwe"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINa3w6lweeP4XBokNCEJb86th9S81WQQ+LVVwCRpADap kristipati.ajay@gmail.com"
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOY3LSWsg9XK1rI7r2E+1tmX3Vi7W5opwkvqO6AsduZR gpg\\ArgentumCation"
-        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDA+Hrb45HQrcBe+gXQz4goWw0PBWdmAWMQ0RWrHXwvkWXM4KsXXrUP7qijEPPtDvJG3JL4Ifsbj+VIN7RprjE5wfvkIxlmnluUK6m2u8r8BlNDhFW5wjoA6PBuHhqYEKGbdqm5s+3WaZt8l2EERyIV87YJPbxNpwc175J3mWYWesvxSp/uNxcXEbOClr+jHXVxztno3XVoVXfpiFfjSsUgprQonbPYiKdfiLwFeXHI03vZlWfmEjERzBE+Ro5ireJ8JVNjKOgiw7aU6tQAyDKe2NkcyTV/tO/OdUSGlnO3Nc3qHHE9B0OTdoKPpiv5A1GdmJWub7UNJKzKB1y7eSGHU3X/FVMSCf9eZUmLIMxWcu1y6GrH1CHIpdqPk+rw6lfjkFg1dDL2f3CXoAwLIEFVaUzI+Gg7BC9Z2jUWTkaj7KoI4sN65PzqrNiJ5QfUjlGh1T0hgMB/QwGarPUilBljGUo7IQfcleDQF3Y5F05Amjr6isZ9ONpeOlCegUB6BIU= mira@epinephrine"
-        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDDD48bhv1AEPhbrGIKxf+XTSWMyxu2qBeaN4nZNZ0YMyinltHd6/VaDEZIzCvadBi3Rc9oTdJIEiXzcMTKj26DacuAuh+YPMvoA0I+lfT36q2SZmWIaVSREtfYYdluJtAyiLvFTkv6G0p5c/x1v9ovEXY3OYo1lnio7j0SmBpj4R9UQJYJhohJLtJCTdfutSuQVclhx/kiytdmFqsCDlCI0EaNxTFS861iTmm2ZjKm7o8ohevxPmnXAHizIBOAZDzbhJ61sPLKIOLWWgJNiK04YUDsBToZBOpeLEnNGkkKY++V4u+5tGI5L1RlVwoGSSB40aY5WLouFmeVE/f42nVuTIF2r/UDjsxeiUdivai+L5xNiqHa5JRWg4+at1lYWGdpineXOPYF6MmzkV+HQMvxC8YhG7ig7W+V7KCfKzMy8EEej+gIMxGFqr6CJQCDXZxqt5o0+Ksh7IMw8AEcrBszuMdJEE/7E/XUnYQHfGUNgFvFwKVzPjOSzbwHMfWPI1k= root@epinephrine"
-        "ssh-rsa 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 norepinephrine"
-        "ssh-rsa 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 u0_a441@localhost"
-      ];
-      mira = {
-        isNormalUser = true;
-        group = "mira";
-        extraGroups = ["wheel" "docker" "dockremap"];
-        packages = with pkgs; [
-          firefox
-          tree
-        ];
-        shell = pkgs.zsh;
-        openssh.authorizedKeys.keys = [
-          "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIMggnmTj7KL409V2mtbPgKERbmyJAeCGBcyzxWW+arRZAAAABHNzaDo= yubikey-black"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAltYcKHavkQBJFlogNuT3JhX6ob30V3EYje4pOQBLgq gpg\\mira.kristipati@gmail.com"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEKT/rbUu87QyRD7L/QSr+lQMJz2m/mdqlqyCQEMwUJj gpgssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEw3/9inZC/MRPkuOF6T5LiFoOlgo5HZVIM36IC+hlzJ gpg\\mira-yubikey-black"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFdRtpQWCPyQQuzcwlbFukGZSlRTcfNzG840kMvbuPwr gpg\\kristipati.ajay@gmail.com"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIA0ikP2zdDBaJZ+aoE6jFz3UpCyHjz1r1QtuZTAvTpx zagreus25519"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJx1GWB1xkE+ECavUypp99FqmB4emiw+j2PpsxN8OXpa gpg\\mira@xn--2dkua.xn--tckwe"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINa3w6lweeP4XBokNCEJb86th9S81WQQ+LVVwCRpADap kristipati.ajay@gmail.com"
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOY3LSWsg9XK1rI7r2E+1tmX3Vi7W5opwkvqO6AsduZR gpg\\ArgentumCation"
-          "ssh-rsa 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 mira@epinephrine"
-          "ssh-rsa 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 root@epinephrine"
-          "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDm1kPy3bxyLX2nUwvETrsBbjmPDHEvKxmzn9dCoaa/C1tWttrvaXUhYZ6svftR7ofqjCailq1WHU4qkIlfz6Hxwq/mxZdOGRg3A2lzDgbJ5C9RSA8LIfYht2UhbqW40wHCEa1B6+bcwLHFWbDyoeT+NQO007lK4Tu1OY3nTNz3QFJgxAPtFuqQSTFpkxL8JZetQtc/KwJ5ofZBZ+nFc4PUstPE47uf4OEOaKY+fbDZ2bf8tmybGhVq6Oc+BQKij5usnQLTeN8XyVxPxGvXahXHx7ESnp//wCs6DrzoMHBbAVFVXS+w6ZzX2el9gCAcUeyZt8iu0zl9GxnVkpyQzHuuBgYON3orYaCdM5vRCnECFoK8XNwP45jNPzFxrIpSYeJ4tR4uhLxCfD3OHB/BQtOQsEdMJvnLnynzyWePeweTe2S1+ohg9zskyxt9c2rSxw8OlWdHds32JuWka6mTJCdfZgHaNY+Ppz1NEo5XYIfz9Jt0vevmaCVbBHo73Tyh6+k= norepinephrine"
-          "ssh-rsa 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 u0_a441@localhost"
-        ];
-      };
-      anish = {
-        isNormalUser = true;
-        extraGroups = ["wheel" "docker" "dockremap"];
-        shell = pkgs.zsh;
-        openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF6+YE7GteMK6Lmo0oW266LmaD6jwQMnCxwv0/V9zqKR akristipati6@gatech.edu"];
-      };
     };
-    groups.dockremap = {};
-    groups."mira".gid = 1000;
   };
 
-  environment.systemPackages = with pkgs; [
-    alacritty
-    alejandra
-    bat
-    btdu
-    btop
-    btrbk
-    cargo
-    chezmoi
-    czkawka
-    delta
-    fastfetch
-    file
-    fd
-    fzf
-    gcc
-    git
-    go
-    hyfetch
-    hyperfine
-    jellyfin-media-player
-    killall
-    kodiPackages.jellyfin
-    kodiPackages.steam-controller
-    lazydocker
-    lazygit
-    lsd
-    mcfly
-    neovim
-    nil
-    nodePackages.nodejs
-    nodePackages.pnpm
-    ripgrep
-    sheldon
-    starship
-    statix
-    tealdeer
-    tmux
-    viddy
-    wget
-    yazi
-    gdu
-    zoxide
-    zsh
-  ];
-
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;
@@ -233,22 +126,6 @@
 
   # Enable the OpenSSH daemon.
   services = {
-    pipewire = {
-      enable = true;
-      alsa.enable = true;
-      alsa.support32Bit = true;
-      pulse.enable = true;
-      # If you want to use JACK applications, uncomment this
-      #jack.enable = true;
-    };
-    openssh = {
-      enable = true;
-      settings = {
-        PermitRootLogin = "prohibit-password";
-        PasswordAuthentication = false;
-      };
-      allowSFTP = true;
-    };
     fail2ban = {
       enable = true;
       ignoreIP = [
@@ -276,6 +153,7 @@
     enable = true;
     autoPrune.enable = true;
     extraOptions = "--userns-remap=default";
+    liveRestore = false;
   };
 
   # Open ports in the firewall.
diff --git a/common.nix b/common.nix
new file mode 100644
index 0000000..2fc24a6
--- /dev/null
+++ b/common.nix
@@ -0,0 +1,162 @@
+{
+  config,
+  lib,
+  pkgs,
+  meta,
+  ...
+}: let
+  sshKeys = [
+    "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIMggnmTj7KL409V2mtbPgKERbmyJAeCGBcyzxWW+arRZAAAABHNzaDo= yubikey-black"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAltYcKHavkQBJFlogNuT3JhX6ob30V3EYje4pOQBLgq gpg\\mira.kristipati@gmail.com"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEKT/rbUu87QyRD7L/QSr+lQMJz2m/mdqlqyCQEMwUJj gpgssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEw3/9inZC/MRPkuOF6T5LiFoOlgo5HZVIM36IC+hlzJ gpg\\mira-yubikey-black"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFdRtpQWCPyQQuzcwlbFukGZSlRTcfNzG840kMvbuPwr gpg\\kristipati.ajay@gmail.com"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIA0ikP2zdDBaJZ+aoE6jFz3UpCyHjz1r1QtuZTAvTpx zagreus25519"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJx1GWB1xkE+ECavUypp99FqmB4emiw+j2PpsxN8OXpa gpg\\mira@xn--2dkua.xn--tckwe"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINa3w6lweeP4XBokNCEJb86th9S81WQQ+LVVwCRpADap kristipati.ajay@gmail.com"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOY3LSWsg9XK1rI7r2E+1tmX3Vi7W5opwkvqO6AsduZR gpg\\ArgentumCation"
+    "ssh-rsa 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 mira@epinephrine"
+    "ssh-rsa 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 root@epinephrine"
+    "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDm1kPy3bxyLX2nUwvETrsBbjmPDHEvKxmzn9dCoaa/C1tWttrvaXUhYZ6svftR7ofqjCailq1WHU4qkIlfz6Hxwq/mxZdOGRg3A2lzDgbJ5C9RSA8LIfYht2UhbqW40wHCEa1B6+bcwLHFWbDyoeT+NQO007lK4Tu1OY3nTNz3QFJgxAPtFuqQSTFpkxL8JZetQtc/KwJ5ofZBZ+nFc4PUstPE47uf4OEOaKY+fbDZ2bf8tmybGhVq6Oc+BQKij5usnQLTeN8XyVxPxGvXahXHx7ESnp//wCs6DrzoMHBbAVFVXS+w6ZzX2el9gCAcUeyZt8iu0zl9GxnVkpyQzHuuBgYON3orYaCdM5vRCnECFoK8XNwP45jNPzFxrIpSYeJ4tR4uhLxCfD3OHB/BQtOQsEdMJvnLnynzyWePeweTe2S1+ohg9zskyxt9c2rSxw8OlWdHds32JuWka6mTJCdfZgHaNY+Ppz1NEo5XYIfz9Jt0vevmaCVbBHo73Tyh6+k= norepinephrine"
+    "ssh-rsa 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 u0_a441@localhost"
+  ];
+in {
+  nix = {
+    package = pkgs.nixFlakes;
+    optimise.automatic = true;
+    # gc.automatic = true;
+    extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+  };
+
+  networking = {
+    hostName = meta.hostname;
+  };
+  # Set your time zone.
+  time.timeZone = "America/New_York";
+
+  i18n = {
+    defaultLocale = "en_US.UTF-8";
+    extraLocaleSettings = {
+      LC_ADDRESS = "en_US.UTF-8";
+      LC_IDENTIFICATION = "en_US.UTF-8";
+      LC_MEASUREMENT = "en_US.UTF-8";
+      LC_MONETARY = "en_US.UTF-8";
+      LC_NAME = "en_US.UTF-8";
+      LC_NUMERIC = "en_US.UTF-8";
+      LC_PAPER = "en_US.UTF-8";
+      LC_TELEPHONE = "en_US.UTF-8";
+      LC_TIME = "en_US.UTF-8";
+    };
+  };
+  fonts = {
+    fontDir.enable = true;
+    packages = with pkgs; [
+      atkinson-hyperlegible
+      nerdfonts
+      fira-code-nerdfont
+    ];
+  };
+  services =
+    {
+      openssh = {
+        enable = true;
+        settings = {
+          PermitRootLogin = "prohibit-password";
+          PasswordAuthentication = false;
+        };
+        allowSFTP = true;
+      };
+      tuptime.enable = true;
+      tuptime.timer.enable = true;
+    }
+    // lib.optionalAttrs ((builtins.match ".*-linux" pkgs.stdenv.hostPlatform.system)
+      != null) {
+      avahi = {
+        enable = true;
+        ipv4 = true;
+        ipv6 = true;
+        nssmdns6 = true;
+        nssmdns4 = true;
+        openFirewall = true;
+      };
+      pipewire = {
+        enable = true;
+        alsa.enable = true;
+        alsa.support32Bit = true;
+        pulse.enable = true;
+        # If you want to use JACK applications, uncomment this
+        #jack.enable = true;
+      };
+      # smartd
+      smartd.enable = true;
+
+      # BTRFS scrub
+      btrfs.autoScrub.enable = true;
+    }
+    # Mac Services
+    // lib.optionalAttrs ((builtins.match ".*-darwin" pkgs.stdenv.hostPlatform.system)
+      != null) {
+      nix-daemon.enable = true;
+    };
+  users = {
+    groups.dockremap = {};
+    groups."mira".gid = 1000;
+    users = {
+      root.openssh.authorizedKeys.keys = sshKeys;
+      mira = {
+        isNormalUser = true;
+        group = "mira";
+        extraGroups = ["wheel" "docker" "dockremap"];
+        packages = with pkgs; [
+          firefox
+          tree
+        ];
+        shell = pkgs.zsh;
+        openssh.authorizedKeys.keys = sshKeys;
+      };
+      anish = {
+        isNormalUser = true;
+        extraGroups = ["wheel" "docker" "dockremap"];
+        shell = pkgs.zsh;
+        openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF6+YE7GteMK6Lmo0oW266LmaD6jwQMnCxwv0/V9zqKR akristipati6@gatech.edu"];
+      };
+    };
+  };
+  environment.systemPackages = with pkgs; [
+    alejandra
+    bat
+    btdu
+    btop
+    btrbk
+    cargo
+    chezmoi
+    delta
+    difftastic
+    duf
+    fastfetch
+    fd
+    file
+    fzf
+    gdu
+    git
+    hyfetch
+    killall
+    lazygit
+    lsd
+    mcfly
+    neovim
+    nushell
+    ripgrep
+    sheldon
+    starship
+    statix
+    tealdeer
+    tmux
+    viddy
+    wget
+    yazi
+    zoxide
+    zsh
+  ];
+}
diff --git a/flake.nix b/flake.nix
index 19afc24..162ebe1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,14 +33,22 @@
     nixosConfigurations = {
       auxin = nixos-unstable.lib.nixosSystem {
         system = "x86_64-linux";
+        specialArgs = {
+          meta = {hostname = "auxin";};
+        };
         modules = [
           ./auxin/configuration.nix
+          ./common.nix
         ];
       };
       gastrin = nixos-unstable.lib.nixosSystem {
         system = "x86_64-linux";
+        specialArgs = {
+          meta = {hostname = "gastrin";};
+        };
         modules = [
           ./gastrin/configuration.nix
+          ./common.nix
         ];
       };
     };
@@ -49,9 +57,11 @@
         system = "aarch64-darwin";
         modules = [
           ./leptin/configuration.nix
+          ./common.nix
           {nixpkgs.overlays = overlays;}
         ];
         specialArgs = {
+          meta = {hostname = "leptin";};
           inherit nixpkgs-darwin;
           inherit nix-darwin;
           inherit inputs;
diff --git a/gastrin/configuration.nix b/gastrin/configuration.nix
index 45b14a8..02942fd 100644
--- a/gastrin/configuration.nix
+++ b/gastrin/configuration.nix
@@ -1,20 +1,20 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
-
-{ config, pkgs, ... }:
-
 {
-  imports =
-    [ # Include the results of the hardware scan.
-      ./hardware-configuration.nix
-    ];
+  config,
+  pkgs,
+  ...
+}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+  ];
 
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
-  networking.hostName = "gastrin"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Configure network proxy if necessary
@@ -31,57 +31,39 @@
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
 
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "en_US.UTF-8";
-    LC_IDENTIFICATION = "en_US.UTF-8";
-    LC_MEASUREMENT = "en_US.UTF-8";
-    LC_MONETARY = "en_US.UTF-8";
-    LC_NAME = "en_US.UTF-8";
-    LC_NUMERIC = "en_US.UTF-8";
-    LC_PAPER = "en_US.UTF-8";
-    LC_TELEPHONE = "en_US.UTF-8";
-    LC_TIME = "en_US.UTF-8";
+  services = {
+    # Enable the X11 windowing system.
+    xserver = {
+      layout = "us";
+      xkbVariant = "";
+      enable = true;
+      # Enable the GNOME Desktop Environment.
+      displayManager.gdm.enable = true;
+      desktopManager.gnome.enable = true;
+    };
+    # Configure keymap in X11
+
+    # Enable CUPS to print documents.
+    printing.enable = true;
+    # Enable sound with pipewire.
+    pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+      # If you want to use JACK applications, uncomment this
+      #jack.enable = true;
+
+      # use the example session manager (no others are packaged yet so this is enabled by default,
+      # no need to redefine it in your config for now)
+      #media-session.enable = true;
+    };
   };
 
-  # Enable the X11 windowing system.
-  services.xserver.enable = true;
-
-  # Enable the GNOME Desktop Environment.
-  services.xserver.displayManager.gdm.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
-
-  # Configure keymap in X11
-  services.xserver = {
-    layout = "us";
-    xkbVariant = "";
-  };
-
-  # Enable CUPS to print documents.
-  services.printing.enable = true;
-
-  fonts.fontDir.enable = true;
-  fonts.packages = with pkgs; [
-  atkinson-hyperlegible
-  nerdfonts
-  fira-code-nerdfont
-  ];
-  # Enable sound with pipewire.
   sound.enable = true;
   hardware.pulseaudio.enable = false;
   security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
-  };
-
+  services.
   # Enable touchpad support (enabled default in most desktopManager).
   # services.xserver.libinput.enable = true;
 
@@ -89,10 +71,10 @@
   users.users.mira = {
     isNormalUser = true;
     description = "Mira";
-    extraGroups = [ "networkmanager" "wheel" ];
+    extraGroups = ["networkmanager" "wheel"];
     packages = with pkgs; [
       firefox
-    #  thunderbird
+      #  thunderbird
     ];
   };
 
@@ -110,20 +92,20 @@
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
-  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
-  #  wget
-  neovim
-  fzf
-  duf
-  squeekboard
-  alacritty
-  tmux
-  chromium
-  wofi
-  waybar
-  zoxide
-  pavucontrol
-  pulseaudio
+    #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    #  wget
+    neovim
+    fzf
+    duf
+    squeekboard
+    alacritty
+    tmux
+    chromium
+    wofi
+    waybar
+    zoxide
+    pavucontrol
+    pulseaudio
   ];
 
   # Some programs need SUID wrappers, can be configured further or are
@@ -153,5 +135,4 @@
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
   system.stateVersion = "23.11"; # Did you read the comment?
-
 }
diff --git a/leptin/configuration.nix b/leptin/configuration.nix
index 6e1f574..6e6eb46 100644
--- a/leptin/configuration.nix
+++ b/leptin/configuration.nix
@@ -26,35 +26,11 @@
   };
   time.timeZone = "America/New_York";
   environment.systemPackages = with pkgs; [
-    caddy
-    cargo
-    bat
-    chezmoi
-    delta
-    git
-    difftastic
-    btop
-    alejandra
-    inputs.neovim-nightly-overlay.packages.${pkgs.system}.default
-    fastfetch
-    hyperfine
-    lazygit
-    docker
-    lsd
-    zsh
     # sheldon
-    tealdeer
-    statix
-    tmux
-    zellij
-    viddy
-    yazi
-    zoxide
-    fzf
-    mcfly
-    wget
-    ripgrep
-    starship
+    caddy
+    docker
+    hyperfine
+    inputs.neovim-nightly-overlay.packages.${pkgs.system}.default
     inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.nh
   ];
   programs = {