Initial NixOS config for Leena

nixos/leena/configuration.nix

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+{ config, pkgs, ... }:
+{
+  imports =
+    [ # 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 = "leena"; # Define your hostname.
+  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+
+  # Set your time zone.
+  time.timeZone = "Europe/Helsinki";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "fi_FI.UTF-8";
+  console = {
+    keyMap = "fi";
+  #   useXkbConfig = true; # use xkbOptions in tty.
+  };
+
+  virtualisation = {
+    podman = {
+      enable = true;
+      dockerCompat = true;
+      defaultNetwork.dnsname.enable = true;
+    };
+  };
+
+  nixpkgs.config.allowUnfree = true;
+  programs.iftop.enable = true;
+  programs.iotop.enable = true;
+  programs.htop.enable = true;
+  programs.tmux.enable = true;
+  programs.bash = {
+    shellAliases = {
+      cross="NIX_STORE=/nix/store cross"
+    };
+  };
+  users.users.jt = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" "networkmanager" ]; # Enable ‘sudo’ for the user.
+    packages = with pkgs; [
+      rustup
+      rust-analyze
+      cargo-cross
+      appimage-run
+      steam-run-native      
+    ];
+  };
+  environment.systemPackages = with pkgs; [
+    wget
+    git
+    emacs
+    nano
+    parted
+    unrar
+    unzip
+    zip
+    p7zip
+    python3
+  ];
+  services.openssh.enable = true;
+
+  networking.firewall.enable = true;
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+
+  # 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 = "22.11"; # Did you read the comment?
+
+}
+

nixos/leena/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 = [ "uhci_hcd" "ehci_pci" "ahci" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/cf794042-4e40-4b54-bbfb-9e0e132326fc";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/ed33fceb-7425-4825-b997-80f1db06dfae"; }
+    ];
+
+  # 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.enp0s25.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}