dotfiles

Just

[rebuild]
switch *opts         # Build and activate the host flake
boot *opts           # Build the host flake, and make it the boot default
test *opts           # Build and activate the host flake, and revert on boot
build *opts          # Build the host flake

[history]
rollback             # Rollback to the previous generation
history limit='10'   # List available generations
wipe-history days    # Delete generations older than input days

[util]
check                # Run all flake checks
format               # Format all files
repl                 # Start a nix REPL with nixpkgs loaded
index                # Update the nixpkgs index
search pattern *args # Search for top-level packages and package outputs
update *args         # Update flake lockfile for all or specified inputs

MacOS

• Bootstrap

  xcode-select --install
  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
  curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
  git clone https://github.com/tedbyron/dotfiles.git ~/git/dotfiles --filter tree:0
  # Give terminal full disk access and restart
  nix run nix-darwin -- --flake ~/git/dotfiles#host switch
  
  fd '.*before-nix-darwin' /etc -X sudo rm

• Uninstall default apps

  mas uninstall \
    409203825   \ # Numbers
    408981434   \ # iMovie
    6826558836  \ # GarageBand
    409183694   \ # Keynote
    409201541   \ # Pages

• Disable tipsd

  sudo launchctl disable system/com.apple.tipsd

NixOS

• Bootstrap

  • Boot to installer

    sudo -i

  • Partition and format

    • btrfs

      lsblk
      parted /dev/nvmeXn1 -- mklabel gpt
      parted /dev/nvmeXn1 -- mkpart root btrfs 500MB -38GB
      parted /dev/nvmeXn1 -- mkpart swap btrfs -38GB 100%
      parted /dev/nvmeXn1 -- mkpart ESP fat32 1MB 500MB
      parted /dev/nvmeXn1 -- set 3 esp on
      
      mkfs.btrfs -L nixos /dev/nvmeXn1p1
      mkfs.btrfs -L swap /dev/nvmeXn1p2
      mkfs.fat -F 32 -n boot /dev/nvmeXn1p3
      
      mkdir /mnt
      mount /dev/nvmeXn1p1 /mnt
      btrfs subvolume create /mnt/root
      btrfs subvolume create /mnt/nix
      btrfs subvolume create /mnt/home
      umount /mnt
      
      mount /dev/nvmeXn1p2 /mnt
      btrfs subvolume create /mnt/swap
      umount /mnt
      
      mount -o noatime,discard,subvol=root /dev/disk/by-label/nixos /mnt
      mkdir /mnt/{nix,home,swap,boot}
      mount -o compress=zstd,noatime,discard,subvol=nix \
        /dev/disk/by-label/nixos /mnt/nix
      mount -o noatime,discard,subvol=home \
        /dev/disk/by-label/nixos /mnt/home
      mount -o nodatacow,noatime,discard,subvol=swap \
        /dev/disk/by-label/swap /mnt/swap
      mount -o umask=077 /dev/disk/by-label/boot /mnt/boot
      
      dd if=/dev/zero of=/mnt/swap/swapfile bs=1MB
      chmod 0600 /mnt/swap/swapfile
      mkswap -L swap -U clear /mnt/swap/swapfile
      swapon /mnt/swap/swapfile

  • Connect to wifi if necessary

    • nmcli (requires graphical installer)

      nmcli device wifi list
      nmcli device wifi connect SSID password PASSWORD

    • wpa_cli

      systemctl stop NetworkManager
      systemctl start wpa_supplicant
      wpa_cli
      add_network
      set_network 0 ssid SSID
      set_network 0 psk PASSWORD
      enable_network 0

  • Generate config

    nixos-generate-config --root /mnt

  • Edit config

    { config, lib, pgks, ... }: {
      swapDevices = [ { device = "/swap/swapfile"; } ];
    
      boot.loader = {
        systemd-boot.enable = true;
        efi.canTouchEfiVariables = true;
      };
    
      networking = {
        hostname = "teds-desktop";
        networkmanager.enable = true;
      };
    
      nix.settings.experimental-features = [
        "auto-allocate-uids"
        "flakes"
        "nix-command"
        "pipe-operators"
      ];
    
      users = {
        defaultUserShell = pkgs.zsh;
    
        users.ted = {
          description = "Teddy Byron";
          extraGroups = [ "networkmanager" "wheel" ];
          isNormalUser = true;
          uid = 1000;
        };
      };
    
      fileSystems =
        let defaultOpts = [ "noatime" "discard" ];
        in {
          "/".options = defaultOpts;
          "/nix".options = defaultOpts ++ [ "compress=zstd" ];
          "/home".options = defaultOpts;
          "/boot".neededForBoot = true;
    
          "/swap" = {
            neededForBoot = true;
            options = defaultOpts ++ [ "nodatacow" ];
          };
        };
    }

  • Install

    nixos-install
    mkdir /mnt/snapshots
    btrfs subvolume snapshot -r /mnt /mnt/snapshots/root-after-install
    nixos-enter --root /mnt -c 'passwd ted'
    reboot

  • Switch to flake

    # Reconnect to wifi if necessary
    nix run nixpkgs#git -- \
      clone https://github.com/tedbyron/dotfiles.git ~/git/dotfiles \
      --filter tree:0
    sudo nixos-rebuild --flake ~/git/dotfiles#host switch
    reboot

• VS Code

  • Preferences: configure runtime arguments

    "password-store": "gnome-libsecret"

  • Preferences

    "window.titleBarStyle": "native"

• Windows dual boot

  • Change hardware clock to UTC in registry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation

    key	value	type
    RealTimeIsUniversal	00000001	dword

    reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation" /v RealTimeIsUniversal /d 1 /t REG_DWORD /f

Commands I'm going to forget about

• PCI display controllers

  nix shell nixpkgs#pciutils -c lspci -kd ::03xx

• EDID info

  fd edid /sys/devices/pci0000:00
  nix shell nixpkgs#read-edid -c parse-edid /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card2/card2-DP-4/edid

• OpenGL

  nvidia-settings --glxinfo
  nix shell nixpkgs#glxinfo -c glxinfo

• Vulkan

  nix shell nixpkgs#vulkan-tools -c vulkaninfo

• VA-API

  NVD_LOG=1 nix shell nixpkgs#libva-utils -c vainfo

• Gpg test key retrieval

  gpg --locate-keys --auto-key-locate clear,nodefault,wkd [email protected]

• Reinstall bootloader

  sudo nixos-rebuild --install-bootloader boot