Die Linux Distro NixOS

Eine Distribution basierend auf rein funktionalem Packet Management.

Von Johannes Raggam / @thetetet / github.com/thet

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$ whoami

Johannes Raggam (DI(FH))

Web Developer, Open Source Enthusiast, Linux User, Python Aficionado, Plone Developer.

Talk über Plone 5 um 16:00, SR2 :)

$ whatis NixOS

• Linux Distribution
• Basiert auf funktionalem Packet Manager Nix

$ whatis NixOS

• Linux Distribution ✓
• Basiert auf funktionalem Packet Manager Nix ✓
• Declarative system configuration ✓
• Repeatable deployments/rollouts ✓
• Reliable Upgrades ✓
• Atomic upgrades ✓
• Rollbacks ✓
• Reproducable system configurations ✓
• Safe to test changes ✓
• Source-based model, with binaries ✓
• Consistency ✓
• Multi-user package management ✓

Meine NixOS Konfiguration

{ config, pkgs, ... }:

{
  imports = [ ./hardware-configuration.nix ];

  # Use the gummiboot efi boot loader.
  boot.loader.grub.enable = false;
  boot.loader.gummiboot.enable = true;
  boot.loader.gummiboot.timeout = 2;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "luft"; # Define your hostname.
  networking.connman.enable = true;  # Enables wireless.

  # Enable the X11 windowing system.
  services = {
    xserver = {
      enable = true;
      #layout = 'us';
      synaptics.enable = true;
      windowManager.awesome.enable = true;
      displayManager.slim.enable = true;		
      desktopManager.xfce.enable = true;
    };
  };
  hardware.opengl.videoDrivers = [ "intel" ];

  fileSystems = [
    { mountPoint = "/home";
      device = "/dev/sda9";
      options = "defaults,discard,noatime";
    }
    { mountPoint = "/tmp";
      device = "tmpfs";
      fsType = "tmpfs";
      options = "nosuid,nodev,relatime";
    }
  ];
  swapDevices = [
    { device = "/dev/sda11"; }
  ];

  environment = {
    interactiveShellInit = ''
        export EDITOR="vim"
        export EMAIL=johannes@raggam.co.at
        export FULLNAME="Johannes Raggam"
    '';
    systemPackages = with pkgs; [

      chromiumWrapper
      firefoxWrapper
      vimHugeX
      xlibs.xmodmap
      # ...

    ];
  };

}
            
          

Installation

Quelle: Domen Kožar NixOS: declarative linux distribution

• Download ISO from http://nixos.org/nixos and boot it
• fdisk /dev/sda
• mkfs.ext4 /dev/sda1
• mount /dev/sda1 /mnt
• nixos-generate-config --root /mnt
• nano /mnt/etc/nixos/configuration.nix
• nixos-install
• reboot

Links

• http://nixos.org/nix/
• http://nixos.org/nixos/
• https://nixos.org/wiki/
• https://github.com/NixOS
• https://www.domenkozar.com/category/nixos/
• http://static.domenkozar.com/slides/nixos-fosdem2014/

That's all, folks!