Config

configuration.nix

# 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
    ];

  boot.kernelPackages = pkgs.linuxKernel.packages.linux_zen;
  boot.supportedFilesystems = [ "btrfs" ];
  hardware.enableAllFirmware = true;
  nixpkgs.config.allowUnfree = true;

  # Use the systemd-boot EFI boot loader.
  # boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub = {
    enable = true;
    version = 2;
    device = "nodev";
    efiSupport = true;
    enableCryptodisk = true;
  };
  boot.initrd.luks.devices = {
    root = {
      device = "/dev/by-label/nix";
      preLVM = true;
    };
  };

  networking.hostName = "qverkk-desktop"; # 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/Warsaw";

  networking.useDHCP = false;
  networking.interfaces.enp5s0.useDHCP = true;
  networking.interfaces.wlo1.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";
  #   useXkbConfig = true; # use xkbOptions in tty.
  # };

  # Enable the X11 windowing system.
  # services.xserver.enable = true;


  # Enable the Plasma 5 Desktop Environment.
  # services.xserver.displayManager.sddm.enable = true;
  # services.xserver.desktopManager.plasma5.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.qverkk = {
    isNormalUser = true;
    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
    packages = with pkgs; [
      firefox
      brave
      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
    neovim
  ];

  # 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;

  # 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 = "22.11"; # Did you read the comment?

}

findmnt

TARGET                        SOURCE                         FSTYPE      OPTIONS
/                             tmpfs                          tmpfs       rw,relatime,mode=755
├─/dev                        devtmpfs                       devtmpfs    rw,nosuid,size=1633200k,nr_inodes=4079493,mode=755
│ ├─/dev/pts                  devpts                         devpts      rw,nosuid,noexec,relatime,gid=3,mode=620,ptmxmode=666
│ ├─/dev/shm                  tmpfs                          tmpfs       rw,nosuid,nodev,size=16331988k
│ ├─/dev/mqueue               mqueue                         mqueue      rw,nosuid,nodev,noexec,relatime
│ └─/dev/hugepages            hugetlbfs                      hugetlbfs   rw,relatime,pagesize=2M
├─/proc                       proc                           proc        rw,nosuid,nodev,noexec,relatime
├─/run                        tmpfs                          tmpfs       rw,nosuid,nodev,size=8165996k,mode=755
│ ├─/run/keys                 none                           ramfs       rw,nosuid,nodev,relatime,mode=750
│ ├─/run/wrappers             tmpfs                          tmpfs       rw,nodev,relatime,size=16331988k,mode=755
│ └─/run/user/1000            tmpfs                          tmpfs       rw,nosuid,nodev,relatime,size=3266396k,nr_inodes=816599,mode=700,uid=1000,gid=100
│   └─/run/user/1000/doc      portal                         fuse.portal rw,nosuid,nodev,relatime,user_id=1000,group_id=100
├─/sys                        sysfs                          sysfs       rw,nosuid,nodev,noexec,relatime
│ ├─/sys/kernel/security      securityfs                     securityfs  rw,nosuid,nodev,noexec,relatime
│ ├─/sys/fs/cgroup            cgroup2                        cgroup2     rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot
│ ├─/sys/firmware/efi/efivars efivarfs                       efivarfs    rw,nosuid,nodev,noexec,relatime
│ ├─/sys/fs/bpf               bpf                            bpf         rw,nosuid,nodev,noexec,relatime,mode=700
│ ├─/sys/kernel/config        configfs                       configfs    rw,nosuid,nodev,noexec,relatime
│ ├─/sys/kernel/debug         debugfs                        debugfs     rw,nosuid,nodev,noexec,relatime
│ ├─/sys/fs/fuse/connections  fusectl                        fusectl     rw,nosuid,nodev,noexec,relatime
│ └─/sys/fs/pstore            pstore                         pstore      rw,nosuid,nodev,noexec,relatime
├─/iso                        /dev/dm-0                      iso9660     ro,relatime,nojoliet,check=s,map=n,blocksize=2048,iocharset=utf8
├─/nix/.ro-store              /dev/loop0                     squashfs    ro,relatime,errors=continue
├─/nix/.rw-store              tmpfs                          tmpfs       rw,relatime,mode=755
├─/nix/store                  overlay                        overlay     rw,relatime,lowerdir=/mnt-root/nix/.ro-store,upperdir=/mnt-root/nix/.rw-store/store,workdir=/mnt-root/nix/.rw-store/work
│ └─/nix/store                overlay                        overlay     ro,relatime,lowerdir=/mnt-root/nix/.ro-store,upperdir=/mnt-root/nix/.rw-store/store,workdir=/mnt-root/nix/.rw-store/work
└─/mnt                        /dev/mapper/lvm-root[/root]    btrfs       rw,noatime,compress=zstd:3,ssd,space_cache=v2,subvolid=256,subvol=/root
  ├─/mnt/boot                 /dev/nvme1n1p1                 vfat        rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro
  ├─/mnt/home                 /dev/mapper/lvm-root[/home]    btrfs       rw,noatime,compress=zstd:3,ssd,space_cache=v2,subvolid=257,subvol=/home
  ├─/mnt/nix                  /dev/mapper/lvm-root[/nix]     btrfs       rw,noatime,compress=zstd:3,ssd,space_cache=v2,subvolid=258,subvol=/nix
  ├─/mnt/persist              /dev/mapper/lvm-root[/persist] btrfs       rw,noatime,compress=zstd:3,ssd,space_cache=v2,subvolid=259,subvol=/persist
  └─/mnt/var/log              /dev/mapper/lvm-root[/log]     btrfs       rw,noatime,compress=zstd:3,ssd,space_cache=v2,subvolid=260,subvol=/log

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 = [ "dm-snapshot" ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];

  fileSystems."/" =
    { device = "/dev/disk/by-label/nixenc";
      fsType = "btrfs";
      options = [ "subvol=root" "compress=zstd" "noatime" ];
    };

  fileSystems."/home" =
    { device = "/dev/disk/by-label/nixenc";
      fsType = "btrfs";
      options = [ "subvol=home" "compress=zstd" "noatime"];
    };

  fileSystems."/nix" =
    { device = "/dev/disk/by-label/nixenc";
      fsType = "btrfs";
      options = [ "subvol=nix" "compress=zstd" "noatime"];
    };

  fileSystems."/persist" =
    { device = "/dev/disk/by-label/nixenc";
      fsType = "btrfs";
      options = [ "subvol=persist" "compress=zstd" "noatime"];
    };

  fileSystems."/var/log" =
    { device = "/dev/disk/by-label/nixenc";
      fsType = "btrfs";
      options = [ "subvol=log" "compress=zstd" "noatime"];
    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-label/BOOT";
      fsType = "vfat";
    };

  swapDevices =
    [
# { device = "/dev/disk/by-label/swap"; }
    ];

  # 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.enp5s0.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
  # high-resolution display
  hardware.video.hidpi.enable = lib.mkDefault true;
}