start working on server config

test-server/configuration.nix

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+# 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
+      ./modules/adguard.nix
+      ./modules/git.nix
+      ./modules/vmware-guest.nix
+    ];
+
+  nix.optimise.automatic = true;
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # Bootloader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub.useOSProber = true;
+
+  networking.hostName = "server"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Vienna";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_AT.UTF-8";
+    LC_IDENTIFICATION = "de_AT.UTF-8";
+    LC_MEASUREMENT = "de_AT.UTF-8";
+    LC_MONETARY = "de_AT.UTF-8";
+    LC_NAME = "de_AT.UTF-8";
+    LC_NUMERIC = "de_AT.UTF-8";
+    LC_PAPER = "de_AT.UTF-8";
+    LC_TELEPHONE = "de_AT.UTF-8";
+    LC_TIME = "de_AT.UTF-8";
+  };
+
+  # 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 = "at";
+    xkbVariant = "";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  # 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;
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  virtualisation.docker.enable = true;
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.anon = {
+    isNormalUser = true;
+    description = "anon";
+    extraGroups = [ "networkmanager" "wheel" "docker" ];
+    packages = with pkgs; [
+      firefox
+    #  thunderbird
+    ];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    kate
+    wget
+    vim
+    tcpdump
+    dig
+  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+  #  wget
+  ];
+
+  services.openssh.enable = true;
+
+  networking.firewall.allowedTCPPorts = [ 22 ];
+  networking.firewall.allowedUDPPorts = [ 22 ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # 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 = "23.05"; # Did you read the comment?
+
+}

test-server/flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1697957990,
+        "narHash": "sha256-LlyEQ4z1immaiZV+MQMUXM3KpNoRY/xZVm8mmN5j3yg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b3ddf9649fdac7db15aeea95cb3114c13594d265",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

test-server/flake.nix

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+{
+  description = "A very basic flake";
+  inputs = {
+      nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
+  };
+  outputs = { self, nixpkgs, ... }: {
+    nixosConfigurations.server = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [ ./configuration.nix ];
+    };
+  };
+}

test-server/hardware-configuration.nix

@@ -0,0 +1,29 @@
+# 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 = [ ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "mptspi" "uhci_hcd" "ehci_pci" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/0e1701f7-2c7b-4a36-acca-1c12cb642095";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens33.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

test-server/modules/adguard.nix

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+ {
+  services.adguardhome = {
+    enable = true;
+    settings = {
+      users = [
+        {
+          name = "admin";
+          password = "$2y$15$3RPgWOXmeUU6NGo.XTx2LuL1oKS.YRrLOIa9VmINnzvtkHNY7A4hq";
+        }
+      ];
+      dns = {
+        bind_hosts = [ "127.0.0.1" ];
+        port = 53;
+        protection_enabled = true;
+        filtering_enabled = true;
+        upstream_dns = [ "quic://doh.tiar.app" "tls://getdnsapi.net"];
+        use_http3_upstreams = true;
+      };
+      querylog = {
+        enabled = false;
+      };
+      filters = [
+        {
+          enabled = true;
+          url = "https://adguardteam.github.io/HostlistsRegistry/assets/filter_1.txt";
+          name = "adguard dns list";
+          id = 1;
+        }
+        {
+          enabled = true;
+          url = "https://adguardteam.github.io/HostlistsRegistry/assets/filter_2.txt";
+          name = "adguard block list";
+          id = 2;
+        }
+        {
+          enabled = true;
+          url = "https://dbl.oisd.nl/";
+          name = "big block list";
+          id = 3;
+        }
+      ];
+      dhcp = { enabled = false; };
+      dhcpv6 = { enabled = false; };
+      tls = {
+        enabled = true;
+      };
+    };
+  };
+}

test-server/modules/git.nix

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+{
+  programs.git.enable = true;
+}

test-server/modules/vmware-guest.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+{
+  ## shared clipboard
+  virtualisation.vmware.guest.enable = true;
+  environment.systemPackages = with pkgs; [
+    open-vm-tools
+  ];
+}