intial setup of durian

hosts/durian/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
+    ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.supportedFilesystems = [ "zfs" ];
+  boot.zfs.devNodes = "/dev/";
+  networking.hostId = "a41d87fc";
+  
+  networking.interfaces.enp65s0f0np0 = {
+     useDHCP = false;
+     ipv4.addresses = [
+       {
+	address = "141.30.30.169";
+        prefixLength = 25;
+       }
+    ];
+  };
+  networking.defaultGateway = "141.30.30.129";
+  networking.nameservers = [ "141.30.1.1" ];
+  
+  networking.hostName = "durian"; # Define your hostname.
+  # Pick only one of the below networking options.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  # networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # 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";
+  #   useXkbConfig = true; # use xkbOptions in tty.
+  # };
+
+  # Enable the X11 windowing system.
+  # services.xserver.enable = true;
+
+
+  
+
+  # Configure keymap in X11
+  # services.xserver.layout = "us";
+  # services.xserver.xkbOptions = {
+  #   "eurosign:e";
+  #   "caps:escape" # map caps to 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.jane = {
+  #   isNormalUser = true;
+  #   extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+  #   packages = with pkgs; [
+  #     firefox
+  #     thunderbird
+  #   ];
+  # };
+
+  # 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
+    git
+  ];
+
+  # 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 = "yes";
+  
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  # 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 = "22.05"; # Did you read the comment?
+}
+

hosts/durian/hardware-configuration.nix

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+# 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 = [ "megaraid_sas" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "rpool/nixos/root";
+      fsType = "zfs";
+      options = [ "zfsutil" ];
+    };
+
+  fileSystems."/home" =
+    { device = "rpool/nixos/home";
+      fsType = "zfs";
+      options = [ "zfsutil" ];
+    };
+
+  fileSystems."/var/lib" =
+    { device = "rpool/nixos/var/lib";
+      fsType = "zfs";
+      options = [ "zfsutil" ];
+    };
+
+  fileSystems."/var/log" =
+    { device = "rpool/nixos/var/log";
+      fsType = "zfs";
+      options = [ "zfsutil" ];
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/7FE6-F583";
+      fsType = "vfat";
+    };
+
+  fileSystems."/nix" =
+    { device = "rpool/nixos/nix";
+      fsType = "zfs";
+      options = [ "zfsutil" ];
+    };
+
+  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.eno8303.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno8403.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f0np0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp65s0f1np1.useDHCP = lib.mkDefault true;
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}