hosts: create first server prototype

hosts/server/default.nix

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+#
+#  Specific system configuration settings for desktop
+#
+#  flake.nix
+#   ├─ ./hosts
+#   │   └─ ./laptop
+#   │        ├─ default.nix *
+#   │        └─ hardware-configuration.nix       
+#   └─ ./modules
+#       ├─ ./desktop
+#       │   └─ ./hyprland
+#       │       └─ hyprland.nix
+#       ├─ ./modules
+#       │   └─ ./programs
+#       │       └─ waybar.nix
+#       └─ ./hardware
+#           └─ default.nix
+#
+
+{ config, pkgs, user, ... }:
+
+{
+  imports =                                                         # For now, if applying to other system, swap files
+    [(import ./hardware-configuration.nix)] ++                      # Current system hardware config @ /etc/nixos/hardware-configuration.nix
+    [(import ../../modules/desktop/virtualisation/docker.nix)] ++   # Docker
+    (import ../../modules/hardware);                                # Hardware devices
+
+  boot = {                                  # Boot options
+    kernelPackages = pkgs.linuxPackages_latest;
+
+    loader = {                              # EFI Boot
+      systemd-boot.enable = true;
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+      timeout = 1;                          # Grub auto select time
+    };
+  };
+
+#  environment = {
+#    systemPackages = with pkgs; [
+##      simple-scan
+##       intel-media-driver
+##       alacritty
+#    ];
+#  };
+
+  programs = {                              # No xbacklight, this is the alterantive
+    ssh.startAgent = false;
+    gnupg.agent = {
+      enable = true;
+      enableSSHSupport = true;
+      pinentryFlavor = "curses";
+    };
+  };
+
+  services = {
+    #auto-cpufreq.enable = true;
+    avahi = {                               # Needed to find wireless printer
+      enable = true;
+      nssmdns = true;
+      publish = {                           # Needed for detecting the scanner
+        enable = true;
+        addresses = true;
+        userServices = true;
+      };
+    };
+
+  };
+
+}

hosts/server/hardware-configuration.nix

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+#
+# Hardware settings for Teclast F5 10" Laptop
+# NixOS @ sda2
+#
+# flake.nix
+#  └─ ./hosts
+#      └─ ./laptop
+#          └─ hardware-configuration.nix *
+#
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ "vfio_pci" "vfio" "vfio_iommu_type1" "vfio_virqfd" ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@,discard=async" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@home,discard=async" ];
+    };
+
+  fileSystems."/home/.snapshots" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@snapshots,discard=async" ];
+    };
+
+  fileSystems."/srv" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv,discard=async" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@nix,discard=async" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-label/NIXBOOT";
+      fsType = "vfat";
+    };
+
+  fileSystems."/mnt/Herkules" =
+    { device = "truenas:/mnt/Herkules";
+      fsType = "nfs";
+      options = [ "noauto,users,x-systemd.automount,x-systemd.device-timeout=10,soft,timeo=14,x-systemd.idle-timeout=1min,sec=sys,exec" ];
+    };
+
+  fileSystems."/mnt/Nova" =
+    { device = "truenas:/mnt/Nova";
+      fsType = "nfs";
+      options = [ "noauto,users,x-systemd.automount,x-systemd.device-timeout=10,soft,timeo=14,x-systemd.idle-timeout=1min,sec=sys,exec" ];
+    };
+
+
+  swapDevices = [ ];
+  
+  networking = {
+    useDHCP = false;                        # Deprecated
+    hostName = "dmz";
+    networkmanager = {
+      enable = true;
+    };
+    interfaces = {
+      enp34s0 = {
+        useDHCP = true;                     # For versatility sake, manually edit IP on nm-applet.
+        #ipv4.addresses = [ {
+        #    address = "192.168.0.51";
+        #    prefixLength = 24;
+        #} ];
+      };
+    };
+    #defaultGateway = "192.168.0.1";
+    #nameservers = [ "192.168.0.4" ];
+    #firewall = {
+    #  enable = false;
+    #  #allowedUDPPorts = [ 53 67 ];
+    #  #allowedTCPPorts = [ 53 80 443 9443 ];
+    #};
+  };
+
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/server/home.nix

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+#
+#  Home-manager configuration for laptop
+#
+#  flake.nix
+#   ├─ ./hosts
+#   │   └─ ./laptop
+#   │       └─ home.nix *
+#   └─ ./modules
+#       └─ ./desktop
+#           └─ ./hyprland
+#              └─ hyprland.nix
+#
+
+{ pkgs, ... }:
+
+{
+  imports =
+    [
+      ../../modules/home.nix # Window Manager
+    ];
+
+  home = {                                # Specific packages for laptop
+    packages = with pkgs; [
+      # Applications
+      libreoffice                         # Office packages
+      #firefox
+      chromium
+      thunderbird
+      streamlink
+      streamlink-twitch-gui-bin
+      element-desktop
+      pulsemixer
+      yubioath-desktop
+      nitrokey-app
+
+      # Display
+      #light                              # xorg.xbacklight not supported. Other option is just use xrandr.
+
+      # Power Management
+      #auto-cpufreq                       # Power management
+      #tlp                                # Power management
+    ];
+  };
+
+  programs = {
+    alacritty.settings.font.size = 11;
+  };
+
+  services = {                            # Applets
+   blueman-applet.enable = true;         # Bluetooth
+   network-manager-applet.enable = true; # Network
+  };
+
+  xsession.preferStatusNotifierItems = true;
+
+}