use rust-motd for greeting message

configuration.nix

@@ -75,9 +75,23 @@
     '';
   };
 
+  programs.rust-motd = {
+    enable = true;
+    settings = {
+      banner = {
+        color = "red";
+        command =
+          "${pkgs.nettools}/bin/hostname | ${pkgs.figlet}/bin/figlet -f univers";
+      };
+      uptime.prefix = "Up";
+      filesystems.root = "/";
+      memory.swap_pos = "beside";
+    };
+  };
+
   nixpkgs.config.allowUnfree = true;
 
-  environment.systemPackages = with pkgs; [ vim neofetch cowsay python3 ];
+  environment.systemPackages = with pkgs; [ vim neofetch python3 ];
 
   networking.firewall.enable = false;
 

hardware-configuration.nix

@@ -1,4 +1,4 @@
-{ config, lib, modulesPath, ... }: {
+{ config, lib, modulesPath, machine, ... }: {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
   boot.initrd.availableKernelModules =
@@ -7,20 +7,8 @@
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  # fileSystems."/" = {
-  #   device = "/dev/disk/by-uuid/b78f591c-c9b6-4dae-9837-56716d38990b";
-  #   fsType = "ext4";
-  # };
-
-  # fileSystems."/boot" = {
-  #   device = "/dev/disk/by-uuid/6936-84C2";
-  #   fsType = "vfat";
-  # };
-
-  # swapDevices =
-  #   [{ device = "/dev/disk/by-uuid/79fbd322-e58d-4e45-8969-06ef494cefea"; }];
-
   networking.useDHCP = false;
+  networking.hostName = machine.name;
 
   nixpkgs.hostPlatform = "x86_64-linux";
   hardware.cpu.intel.updateMicrocode =