add common config

common/default.nix

@@ -0,0 +1,47 @@
+# Common/default.nix
+
+# Inputs for this module, we don't use anything so can be empty.
+{ ... }:
+
+{
+  imports = [
+    # User account definitions
+    ./users
+    ./services
+  ];
+
+  # Clean /tmp on boot.
+  boot.cleanTmpDir = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Amsterdam";
+
+  # Nix Settings
+  nix = {
+    package = pkgs.nixUnstable;
+    autoOptimiseStore = true;
+    binaryCaches = [
+      "https://cachix.cachix.org"
+      "https://nix-community.cachix.org"
+      "https://nixpkgs-review-bot.cachix.org"
+    ];
+    binaryCachePublicKeys = [
+      "cachix.cachix.org-1:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "nixpkgs-review-bot.cachix.org-1:eppgiDjPk7Hkzzz7XlUesk3rcEHqNDozGOrcLc8IqwE="
+    ];
+    trustedUsers = [ "root" "victor" ];
+    extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+  };
+
+  nixpkgs.config.allowUnfree = true;
+
+  # Limit the systemd journal to 100 MB of disk or the
+  # last 7 days of logs, whichever happens first.
+  services.journald.extraConfig = ''
+    SystemMaxUse=100M
+    MaxFileSec=7day
+  '';
+}

common/generic-lxc.nix

@@ -0,0 +1,18 @@
+{ ... }: {
+  # See also: https://blog.xirion.net/posts/nixos-proxmox-lxc/
+
+  # Import nixos lxc config
+  imports = [
+    <nixpkgs/nixos/modules/virtualisation/lxc-container.nix>
+  ];
+
+  # Supress systemd services that don't work (correctly) on LXC
+  systemd.suppressedSystemUnits = [
+    "dev-mqueue.mount"
+    "sys-kernel-debug.mount"
+    "sys-fs-fuse-connections.mount"
+  ];
+
+  # Enable SSH daemon support.
+  services.openssh.enable = true;
+}

common/generic-vm.nix

@@ -0,0 +1,14 @@
+{ lib, ... }: {
+  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
+  # Per-interface useDHCP will be mandatory in the future, so this generated config
+  # replicates the default behaviour.
+  networking.useDHCP = false;
+  networking.interfaces.ens18.useDHCP = lib.mkDefault true;
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+  services.openssh.permitRootLogin = lib.mkDefault "yes";
+
+  # Enable qemu guest agent
+  services.qemuGuest.enable = true;
+}

common/services/default.nix

@@ -0,0 +1,8 @@
+{ config, lib, pkgs, ... }:
+{
+  imports = [
+    ./flood.nix
+    ./unpackerr.nix
+    ./vmagent.nix
+  ];
+}

common/services/flood.nix

@@ -0,0 +1,150 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let cfg = config.services.flood;
+in
+{
+  options.services.flood = {
+    enable = mkEnableOption "flood";
+
+    user = mkOption {
+      default = "flood";
+      type = types.str;
+      description = ''
+        User account under which flood runs.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "rtorrent";
+      description = ''
+        Group under which flood runs.
+        Flood needs to have the correct permissions if accessing rtorrent through the socket.
+      '';
+    };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.flood;
+      defaultText = "pkgs.flood";
+      description = ''
+        The flood package to use.
+      '';
+    };
+
+    host = mkOption {
+      type = types.str;
+      default = "127.0.0.1";
+      description = ''
+        Address flood binds to.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 3000;
+      description = ''
+        The flood web port.
+      '';
+    };
+
+    openFirewall = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Whether to open the firewall for the port in <option>services.flood.port</option>.
+      '';
+    };
+
+    rpcSocket = mkOption {
+      type = types.str;
+      readOnly = true;
+      default = "/run/rtorrent/rpc.sock";
+      description = ''
+        RPC socket path.
+        (Only used when auth=none).
+      '';
+    };
+
+    dataDir = mkOption {
+      type = types.str;
+      default = "/var/lib/flood";
+      description = ''
+        The directory where flood stores its data files.
+      '';
+    };
+
+    downloadDir = mkOption {
+      type = types.str;
+      default = "/var/lib/rtorrent/download";
+      description = ''
+        Root directory for downloaded files.
+      '';
+    };
+
+    authMode = mkOption {
+      type = types.str;
+      default = "none";
+      description = ''
+        Access control and user management method.
+        Either 'default' or 'none'.
+      '';
+    };
+
+    ssl = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Enable SSL. 
+        key.pem and fullchain.pem needed in runtime directory.
+      '';
+    };
+
+    baseURI = mkOption {
+      type = types.str;
+      default = "/";
+      description = ''
+        This URI will prefix all of Flood's HTTP requests
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Create group if set to default
+    users.groups = mkIf (cfg.group == "rtorrent") {
+      rtorrent = { };
+    };
+
+    # Create user if set to default
+    users.users = mkIf (cfg.user == "flood") {
+      flood = {
+        group = cfg.group;
+        shell = pkgs.bashInteractive;
+        home = cfg.dataDir;
+        description = "flood Daemon user";
+        isSystemUser = true;
+      };
+    };
+
+    # Open firewall if option is set to do so.
+    networking.firewall.allowedTCPPorts = mkIf (cfg.openFirewall) [ cfg.port ];
+
+    # The actual service
+    systemd.services.flood = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      description = "flood system service";
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        Type = "simple";
+        Restart = "on-failure";
+        WorkingDirectory = cfg.dataDir;
+        ExecStart = "${cfg.package}/bin/flood --baseuri ${cfg.baseURI} --rundir ${cfg.dataDir} --host ${cfg.host} --port ${toString cfg.port} ${if cfg.ssl then "--ssl" else ""} --auth ${cfg.authMode}  --rtsocket ${cfg.rpcSocket} --allowedpath ${cfg.downloadDir}";
+      };
+    };
+
+    # This is needed to create the dataDir with the correct permissions.
+    systemd.tmpfiles.rules = [ "d '${cfg.dataDir}' 0755 ${cfg.user} ${cfg.group} -" ];
+  };
+}

common/services/unpackerr.nix

@@ -0,0 +1,307 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  cfg = config.services.unpackerr;
+  mkStarrOptions = { name, url }: {
+    url = mkOption {
+      type = types.str;
+      default = "";
+      example = "${url}";
+      description = ''
+        The URL to access ${name}
+      '';
+    };
+    apiKey = mkOption {
+      type = types.str;
+      default = "";
+      description = ''
+        The API key for accessing ${name}
+      '';
+    };
+    paths = mkOption {
+      type = types.str;
+      default = "";
+      example = "/downloads,/moreDownloads";
+      description = ''
+        List of paths where content is downloaded for ${name}
+      '';
+    };
+    protocols = mkOption {
+      type = types.str;
+      default = "torrent";
+      example = "torrent,usenet";
+      description = ''
+        Protocols to process
+      '';
+    };
+    timeout = mkOption {
+      type = types.str;
+      default = "10s";
+      description = ''
+        How long to wait for ${name} to respond
+      '';
+    };
+    deleteOrginal = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Delete archives after import? 
+        Recommend not setting this to true
+      '';
+    };
+    deleteDelay = mkOption {
+      type = types.str;
+      default = "5m";
+      description = ''
+        Extracts are deleted this long after import. `-1` to disable.
+      '';
+    };
+  };
+in
+{
+  options.services.unpackerr = {
+    enable = mkEnableOption "unpackerr";
+
+    user = mkOption {
+      default = "unpackerr";
+      type = types.str;
+      description = ''
+        User account under which unpackerr runs.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "unpackerr";
+      description = ''
+        Group under which unpackerr runs.
+      '';
+    };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.unpackerr;
+      defaultText = "pkgs.unpackerr";
+      description = ''
+        The unpackerr package to use.
+      '';
+    };
+
+    debug = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Turns on more logs.
+      '';
+    };
+
+    interval = mkOption {
+      type = types.str;
+      default = "2m";
+      description = ''
+        How often apps are polled, recommended 1m to 5m
+      '';
+    };
+
+    startDelay = mkOption {
+      type = types.str;
+      default = "1m";
+      description = ''
+        Files are queued at least this long before extraction
+      '';
+    };
+
+    retryDelay = mkOption {
+      type = types.str;
+      default = "5m";
+      description = ''
+        Failed extractions are retried after at least this long
+      '';
+    };
+
+    maxRetries = mkOption {
+      type = types.int;
+      default = 3;
+      description = ''
+        Times to retry failed extractions. `0` = unlimited.
+      '';
+    };
+
+    parallel = mkOption {
+      type = types.int;
+      default = 1;
+      description = ''
+        Concurrent extractions, 1 is recommended.
+      '';
+    };
+
+    fileMode = mkOption {
+      type = types.str;
+      default = "0644";
+      description = ''
+        Extracted files are written with this mode
+      '';
+    };
+
+    dirMode = mkOption {
+      type = types.str;
+      default = "0755";
+      description = ''
+        Extracted folders are written with this mode
+      '';
+    };
+
+    sonarr = mkStarrOptions { name = "Sonarr"; url = "http://localhost:8989"; };
+
+    radarr = mkStarrOptions { name = "Radarr"; url = "http://localhost:7878"; };
+
+    lidarr = mkStarrOptions { name = "Lidarr"; url = "http://localhost:8686"; };
+
+    readarr = mkStarrOptions { name = "Readarr"; url = "http://localhost:8787"; };
+
+    folder = {
+      path = mkOption {
+        type = types.str;
+        default = "";
+        description = ''
+          folder path, not for Starr apps.
+        '';
+      };
+      extractPath = mkOption {
+        type = types.str;
+        default = "";
+        description = ''
+          Where to extract to, Defaults to <option>services.unpackerr.folder.path</option>.
+        '';
+      };
+      deleteAfter = mkOption {
+        type = types.str;
+        default = "";
+        example = "10m";
+        description = ''
+          Delete extracted files and/or archives after this duration, `0` to disable.
+        '';
+      };
+      deleteOrginal = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Delete archives after extraction
+        '';
+      };
+      deleteFiles = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Delete extracted files after successful extraction
+        '';
+      };
+      moveBack = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Move extracted items back into original folder
+        '';
+      };
+    };
+
+    extraConfig = mkOption {
+      type = types.attrs;
+      default = {};
+      description = ''
+        Extra environment variables
+      '';
+      example = {
+        UN_WEBHOOK_0_URL = "http://example.com";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Create group if set to default
+    users.groups = mkIf (cfg.group == "unpackerr") {
+      unpackerr = { };
+    };
+
+    # Create user if set to default
+    users.users = mkIf (cfg.user == "unpackerr") {
+      unpackerr = {
+        group = cfg.group;
+        shell = pkgs.bashInteractive;
+        createHome = false;
+        description = "unpackerr Daemon user";
+        isSystemUser = true;
+      };
+    };
+
+    # The actual service
+    systemd.services.unpackerr = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      description = "unpackerr system service";
+      # Filter out all unset variables else unpackerr complains
+      environment = filterAttrs (n: v: stringLength v > 0) {
+        # General options
+        UN_DEBUG = "${toString cfg.debug}";
+        UN_INTERVAL = "${cfg.interval}";
+        UN_START_DELAY = "${cfg.startDelay}";
+        UN_RETRY_DELAY = "${cfg.retryDelay}";
+        UN_MAX_RETRIES = "${toString cfg.maxRetries}";
+        UN_PARALLEL = "${toString cfg.parallel}";
+        UN_FILE_MODE = "${cfg.fileMode}";
+        UN_DIR_MODE = "${cfg.dirMode}";
+
+        # Sonarr
+        UN_SONARR_0_URL = "${cfg.sonarr.url}";
+        UN_SONARR_0_API_KEY = "${cfg.sonarr.apiKey}";
+        UN_SONARR_0_PATHS_0 = "${cfg.sonarr.paths}";
+        UN_SONARR_0_PROTOCOLS = "${cfg.sonarr.protocols}";
+        UN_SONARR_0_TIMEOUT = "${cfg.sonarr.timeout}";
+        UN_SONARR_0_DELETE_ORIG = "${toString cfg.sonarr.deleteOrginal}";
+        UN_SONARR_0_DELETE_DELAY = "${cfg.sonarr.deleteDelay}";
+
+        # Radarr
+        UN_RADARR_0_URL = "${cfg.radarr.url}";
+        UN_RADARR_0_API_KEY = "${cfg.radarr.apiKey}";
+        UN_RADARR_0_PATHS_0 = "${cfg.radarr.paths}";
+        UN_RADARR_0_PROTOCOLS = "${cfg.radarr.protocols}";
+        UN_RADARR_0_TIMEOUT = "${cfg.radarr.timeout}";
+        UN_RADARR_0_DELETE_ORIG = "${toString cfg.radarr.deleteOrginal}";
+        UN_RADARR_0_DELETE_DELAY = "${cfg.radarr.deleteDelay}";
+
+        # Lidarr
+        UN_LIDARR_0_URL = "${cfg.lidarr.url}";
+        UN_LIDARR_0_API_KEY = "${cfg.lidarr.apiKey}";
+        UN_LIDARR_0_PATHS_0 = "${cfg.lidarr.paths}";
+        UN_LIDARR_0_PROTOCOLS = "${cfg.lidarr.protocols}";
+        UN_LIDARR_0_TIMEOUT = "${cfg.lidarr.timeout}";
+        UN_LIDARR_0_DELETE_ORIG = "${toString cfg.lidarr.deleteOrginal}";
+        UN_LIDARR_0_DELETE_DELAY = "${cfg.lidarr.deleteDelay}";
+
+        # Readarr
+        UN_READARR_0_URL = "${cfg.readarr.url}";
+        UN_READARR_0_API_KEY = "${cfg.readarr.apiKey}";
+        UN_READARR_0_PATHS_0 = "${cfg.readarr.paths}";
+        UN_READARR_0_PROTOCOLS = "${cfg.readarr.protocols}";
+        UN_READARR_0_TIMEOUT = "${cfg.readarr.timeout}";
+        UN_READARR_0_DELETE_ORIG = "${toString cfg.readarr.deleteOrginal}";
+        UN_READARR_0_DELETE_DELAY = "${cfg.readarr.deleteDelay}";
+
+        # Folder
+        UN_FOLDER_0_PATH = "${cfg.folder.path}";
+        UN_FOLDER_0_EXTRACT_PATH = "${cfg.folder.extractPath}";
+        UN_FOLDER_0_DELETE_AFTER = "${cfg.folder.deleteAfter}";
+        UN_FOLDER_0_DELETE_ORIGINAL = "${toString cfg.folder.deleteOrginal}";
+        UN_FOLDER_0_DELETE_FILES = "${toString cfg.folder.deleteFiles}";
+        UN_FOLDER_0_MOVE_BACK = "${toString cfg.folder.moveBack}";
+      } // cfg.extraConfig;
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        Type = "simple";
+        Restart = "on-failure";
+        ExecStart = "${cfg.package}/bin/unpackerr";
+      };
+    };
+  };
+}

common/services/vmagent.nix

@@ -0,0 +1,114 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let cfg = config.services.vmagent;
+in
+{
+  options.services.vmagent = {
+    enable = mkEnableOption "vmagent";
+
+    user = mkOption {
+      default = "vmagent";
+      type = types.str;
+      description = ''
+        User account under which vmagent runs.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "vmagent";
+      description = ''
+        Group under which vmagent runs.
+      '';
+    };
+
+    package = mkOption {
+      default = pkgs.v.vmagent;
+      defaultText = "pkgs.v.vmagent";
+      type = types.package;
+      description = ''
+        vmagent package to use. 
+      '';
+    };
+
+    dataDir = mkOption {
+      type = types.str;
+      default = "/var/lib/vmagent";
+      description = ''
+        The directory where vmagent stores its data files.
+      '';
+    };
+
+    remoteWriteUrl = mkOption {
+      default = "http://localhost:8428/api/v1/write";
+      type = types.str;
+      description = ''
+        The remote storage endpoint such as VictoriaMetrics 
+      '';
+    };
+
+    prometheusConfig = mkOption {
+      default = "";
+      type = types.str;
+      example = ''
+        global:
+          scrape_interval: 5s
+        scrape_configs:
+          - job_name: 'apache'
+            static_configs:
+            - targets: ['apache-exporter:9117']
+      '';
+      description = ''
+        Config for prometheus style metrics
+      '';
+    };
+
+    openFirewall = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Whether to open the firewall for the default ports.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    # Create group if set to default
+    users.groups = mkIf (cfg.group == "vmagent") {
+      vmagent = { };
+    };
+
+    # Create user if set to default
+    users.users = mkIf (cfg.user == "vmagent") {
+      vmagent = {
+        group = cfg.group;
+        shell = pkgs.bashInteractive;
+        description = "vmagent Daemon user";
+        home = cfg.dataDir;
+        isSystemUser = true;
+      };
+    };
+
+    # Open firewall if option is set to do so.
+    networking.firewall.allowedTCPPorts = mkIf (cfg.openFirewall) [ 8429 ];
+
+    # The actual service
+    systemd.services.vmagent = let 
+      prometheusConfig = pkgs.writeText "prometheus.yml" cfg.prometheusConfig;
+    in {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      description = "vmagent system service";
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        Type = "simple";
+        Restart = "on-failure";
+        WorkingDirectory = cfg.dataDir;
+        ExecStart = "${cfg.package}/bin/vmagent -remoteWrite.url=${cfg.remoteWriteUrl} -promscrape.config=${prometheusConfig}";
+      };
+    };
+
+    systemd.tmpfiles.rules = [ "d '${cfg.dataDir}' 0755 ${cfg.user} ${cfg.group} -" ];
+  };
+}

common/users/default.nix

@@ -0,0 +1,65 @@
+# common/users/default.nix
+
+# Inputs to this NixOS module, in this case we are
+# using `pkgs` so we can have some user specific packages and config
+# to configure the root ssh key.
+{ config, pkgs, ... }:
+
+{
+  # Setup ZSH to use grml config
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    syntaxHighlighting.enable = true;
+    interactiveShellInit = ''
+      source "${pkgs.grml-zsh-config}/etc/zsh/zshrc"
+      source "${pkgs.fzf}/share/fzf/key-bindings.zsh"
+      source "${pkgs.fzf}/share/fzf/completion.zsh"
+      eval "$(${pkgs.zoxide}/bin/zoxide init zsh)"
+    '';
+    # otherwise it'll override the grml prompt
+    promptInit = "";
+  };
+  
+  environment.pathsToLink = [ "/share/zsh" ];
+
+  # Disable sudo prompt for `wheel` users.
+  security.sudo.wheelNeedsPassword = false;
+
+  # The block that specifies my user account.
+  users.extraUsers.victor = {
+    # This account is intended for a non-system user.
+    isNormalUser = true;
+
+    # My default shell
+    shell = pkgs.zsh;
+
+    # My SSH keys.
+    openssh.authorizedKeys.keys = [
+      "ssh-rsa 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 victor@eevee"
+      "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAjJmG5W+uO+KTOmzknOfzkjbCtOCpO9tSxLN2BG6hxCsKPN1U31WDiajeHrZFselpWG80710Ne3wAlWduU3aUTeXdms0N99F7CbIFHXRqU0aEu4FN3WDuv0bRLoc+Ern9V7R4DvtxyNFd66yLzvzfT2/0nudiIkWV6W8qF4W6wJF+/TVTYcwZzVTBfpqUG9LMyMB1e6c0DYISmIGT0Q5s0sb2Hrs5Xa2Q7vgAevHJJzPojGQ+zcK/nHos4/glnDGoj9iyj55zB48LycLxjpFL9GAZfBZPi0SXVRy3gEVPkeger0e4OSumYiEbZhcV3MdtffSIHmq3ehgXi0FyBeMhsw== victor@xirion.net"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMMbdjysLnmwJD5Fs/SjBPstdIQNUxy8zFHP0GlhHMJB victor@bastion"
+    ];
+
+    # Make me admin
+    extraGroups = [ "wheel" ];
+  };
+
+  # Configure the root account
+  users.extraUsers.root = {
+    # Allow my SSH keys for logging in as root.
+    openssh.authorizedKeys.keys = config.users.users.victor.openssh.authorizedKeys.keys;
+    # Also use zsh for root
+    shell = pkgs.zsh;
+  };
+
+  # Setup packages available everywhere
+  environment.systemPackages = with pkgs; [
+    fzf
+    git
+    htop
+    rsync
+    neovim
+    zoxide
+  ];
+}

flake.nix

@@ -16,10 +16,8 @@
         user = "root";
         path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.bastion;
       };
-
     };
 
     checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
   };
-
 }

hosts/bastion/configuration.nix

@@ -6,104 +6,23 @@
 
 {
   imports =
-    [ # Include the results of the hardware scan.
+    [
+      ../../common
+      ../../common/generic-vim.nix
+      # Include the results of the hardware scan.
       ./hardware-configuration.nix
     ];
 
   # Use the GRUB 2 boot loader.
   boot.loader.grub.enable = true;
   boot.loader.grub.version = 2;
-  # boot.loader.grub.efiSupport = true;
-  # boot.loader.grub.efiInstallAsRemovable = true;
-  # boot.loader.efi.efiSysMountPoint = "/boot/efi";
-  # Define on which hard drive you want to install Grub.
   boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
 
   networking.hostName = "bastion"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Set your time zone.
   time.timeZone = "Europe/Amsterdam";
   
-  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
-  # Per-interface useDHCP will be mandatory in the future, so this generated config
-  # replicates the default behaviour.
-  networking.useDHCP = false;
-  networking.interfaces.ens18.useDHCP = true;
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Select internationalisation properties.
-  # i18n.defaultLocale = "en_US.UTF-8";
-  # console = {
-  #   font = "Lat2-Terminus16";
-  #   keyMap = "us";
-  # };
-
-  # Enable the X11 windowing system.
-  # services.xserver.enable = true;
-
-security.sudo.wheelNeedsPassword = false;
-
-  
-
-  # Configure keymap in X11
-  # services.xserver.layout = "us";
-  # services.xserver.xkbOptions = "eurosign:e";
-
-  # 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.jane = {
-  #   isNormalUser = true;
-  #   extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
-  # };
-
-  # 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
-  #   firefox
-  # ];
-
-  # Some programs need SUID wrappers, can be configured further or are
-  # started in user sessions.
-  # programs.mtr.enable = true;
-  # programs.gnupg.agent = {
-  #   enable = true;
-  #   enableSSHSupport = true;
-  # };
-
-  # List services that you want to enable:
-
-  # Enable the OpenSSH daemon.
-  services.openssh.enable = true;
-  services.openssh.permitRootLogin = "without-password";
-
-  #services.openssh.passwordAuthentication = true;
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  #networking.firewall.enable = false;
-
-  environment.systemPackages = with pkgs; [git rsync htop neovim];
-
-  users.extraUsers.root.openssh.authorizedKeys.keys = [
-	"ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAiOUE5yEKMXvKMoQJxfAKbLi5GGOQptzUbWuAVIOnQG+AXJetF/D4Qj68X/0LGEEX78aA4Tb4rNa4imv95+I2rRvRcz8U/9sWoSdfzXLT6KjMqW/4+iNGNFEd0jx92HxPU1Sir6rOGWVwxcayEGO4NJXAjE0LvNMN0+4c9TaH4FZ1hLhyjAdkh5KgPP48JbubqI0zf+BlTJJCWDz3MtN9CHn2nERjGRodYHjq3WTwGXyq7o7Tfmko7C0CE2gBuz4f3LJdH2vz+ghkL5vzFnxzq9QgucJoRr+Pjons71L1622ZLFFHsmicJIEofOUgTrwiD5yayijp/izVFdUvUoB20w=="
-  ];
-
   # 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
@@ -111,25 +30,4 @@ security.sudo.wheelNeedsPassword = false;
   # 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 = "21.05"; # Did you read the comment?
-
-
-  # Flakes
-  nix = {
-    package = pkgs.nixUnstable;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
-   };
-
-  users.extraUsers.victor = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ];
-    openssh.authorizedKeys.keys = [
-"ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAiOUE5yEKMXvKMoQJxfAKbLi5GGOQptzUbWuAVIOnQG+A
-XJetF/D4Qj68X/0LGEEX78aA4Tb4rNa4imv95+I2rRvRcz8U/9sWoSdfzXLT6KjMqW/4+iNGNFEd0jx92HxPU1Sir
-6rOGWVwxcayEGO4NJXAjE0LvNMN0+4c9TaH4FZ1hLhyjAdkh5KgPP48JbubqI0zf+BlTJJCWDz3MtN9CHn2nERjGR
-odYHjq3WTwGXyq7o7Tfmko7C0CE2gBuz4f3LJdH2vz+ghkL5vzFnxzq9QgucJoRr+Pjons71L1622ZLFFHsmicJIE
-ofOUgTrwiD5yayijp/izVFdUvUoB20w==" ];	
-  };
 }
-