[Nix-dev] Nix OS installation problems - Where's the hard drive?

[Joseph Joe]

I also have a working NixOS on a laptop now (The live-usb recognized
this harddrive).

I added the kernelConfig parameter in my configuration.nix file (attached),
but
there are build errors. Specifically, after running nixos-rebuild
switch, it ends with the following output:

GOT:
GOT: #
GOT: # configuration written to .config
GOT: #
building config
GOT: make: Leaving directory
`/tmp/nix-build-linux-config-3.12.28.drv-0/linux-3.12.28'
unused option: CONFIG_SCSI_SAS_ATA
builder for `/nix/store/0xynni7sbs8ck8p7cri356ryn3dfif
qp-linux-config-3.12.28.drv'
failed with exit code 255
cannot build derivation
`/nix/store/5fl9127mvpvjswhlsj02lzvs121ha98m-linux-3.12.28.drv': 1
dependencies couldn't be built
cannot build derivation
`/nix/store/niq6zlss38cqyg28mkqx42d214kfm2vh-nixos-14.04.519.b9bde98.drv':
1 dependencies couldn't be built
error: build of
`/nix/store/niq6zlss38cqyg28mkqx42d214kfm2vh-nixos-14.04.519.b9bde98.drv'
failed

Is there an error in my configuration file?

Also, for creating an iso out of a NixOS configuration, I need to run
these commands:

 (https://nixos.org/wiki/Creating_a_NixOS_live_CD)
export NIX_PATH=$NIXREPOS
nix-build -A iso_graphical.x86_64-linux $NIXREPOS/nixos/release.nix

But, there is no file release.nix on my computer.

On Fri, Oct 10, 2014 at 8:31 AM, Joseph Joe <joej at reed.edu> wrote:

>
>
> I also have a working NixOS on a laptop now (The live-usb recognized
> this harddrive).
>
> I added the kernelConfig parameter in my configuration.nix file
> (attached), but
> there are build errors. Specifically, after running nixos-rebuild
> switch, it ends with the following output:
>
> GOT:
> GOT: #
> GOT: # configuration written to .config
> GOT: #
> building config
> GOT: make: Leaving directory
> `/tmp/nix-build-linux-config-3.12.28.drv-0/linux-3.12.28'
> unused option: CONFIG_SCSI_SAS_ATA
> builder for
> `/nix/store/0xynni7sbs8ck8p7cri356ryn3dfifqp-linux-config-3.12.28.drv'
> failed with exit code 255
> cannot build derivation
> `/nix/store/5fl9127mvpvjswhlsj02lzvs121ha98m-linux-3.12.28.drv': 1
> dependencies couldn't be built
> cannot build derivation
> `/nix/store/niq6zlss38cqyg28mkqx42d214kfm2vh-nixos-14.04.519.b9bde98.drv':
> 1 dependencies couldn't be built
> error: build of
> `/nix/store/niq6zlss38cqyg28mkqx42d214kfm2vh-nixos-14.04.519.b9bde98.drv'
> failed
>
> Is there an error in my configuration file?
>
> Also, for creating an iso out of a NixOS configuration, I need to run
> these commands:
>
>  (https://nixos.org/wiki/Creating_a_NixOS_live_CD)
> export NIX_PATH=$NIXREPOS
> nix-build -A iso_graphical.x86_64-linux $NIXREPOS/nixos/release.nix
>
> But, there is no file release.nix on my computer.
>
> On 10/7/14, Wout Mertens <wout.mertens at gmail.com> wrote:
> > On Tue, Oct 7, 2014 at 4:49 AM, Joseph Joe <joej at reed.edu> wrote:
> >
> >> I am still a bit confused. I added the following lines to
> >> /etc/nixos/configuration.nix
> >>
> >> nixpkgs.config.packageOverrides = pkgs:
> >>   { linux_3_4 = pkgs.linux_3_4.override {
> >>       extraConfig =
> >>         ''
> >>           CONFIG_SCSI_SAS_ATA y
> >>         '';
> >>     };
> >>   };
> >>
> >> Actually this will not work unless you're using linux_3_4 which I think
> > you're not. The better way is what Alexander linked,
> >
> >  nixpkgs.config.packageOverrides = pkgs: {
> >    stdenv = pkgs.stdenv // {
> >      platform = pkgs.stdenv.platform // {
> >        kernelExtraConfig = "CONFIG_SCSI_SAS_ATA y" ;
> >      };
> >    };
> >  };
> >
> > (I didn't test this)
> >
> >
> >> Then I saved the file and entered the command
> >>
> >> # nixos-rebuild switch
> >>
> >
> > Like Alexander said, that doesn't activate the new kernel until when you
> > reboot.
> >
> >
> >> This doesn't work because I am inside the live-usb. But, I can make a
> >> custom image in the live-boot with this changed configuration file. This
> >> image will have the configuration I want. Is that correct?
> >>
> >
> > No, the live boot doesn't use the normal boot setup, not sure if
> > nixos-rebuild did anything there.
> >
> >
> >> Also, how would I put the Ubuntu kernel onto the liveUSB?
> >>
> >
> > IIRC, the liveUSB is simply a FAT32 filesystem with kernel and squashed
> > root filesystem, so you'd copy the ubuntu kernel on it as well and
> convince
> > the boot loader to use it. Anyway, you might have problems with providing
> > modules.
> >
> > Here's two other approaches:
> >
> >    - Take an empty USB stick and install NixOS on that from the liveUSB,
> >    with the kernelconfig as above. Then boot from that and install nixos
> on
> >    your harddisk.
> >    - Install nixos in-place from your current Linux using the techniques
> >    discussed in https://github.com/NixOS/nixpkgs/issues/2079 , namely
> >    install nix as root (or multiuser) on your current linux, then build
> > nixos
> >    into /nixos and boot using /nixos as the root directory. There's no
> > script
> >    that does that for you yet though.
> >
> > Wout.
> >
>
>
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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
    ];
  
  nixpkgs.config.packageOverrides = pkgs: {
    stdenv = pkgs.stdenv // {
      platform = pkgs.stdenv.platform // {
        kernelExtraConfig = "CONFIG_SCSI_SAS_ATA y" ;
      };
    };
  };
  
  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  # Define on which hard drive you want to install Grub.
  boot.loader.grub.device = "/dev/sda";

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

  # Select internationalisation properties.
  # i18n = {
  #   consoleFont = "lat9w-16";
  #   consoleKeyMap = "us";
  #   defaultLocale = "en_US.UTF-8";
  # };

  # List packages installed in system profile. To search by name, run:
  # -env -qaP | grep wget
  # environment.systemPackages = with pkgs; [
  #   wget
  # ];

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Enable CUPS to print documents.
  # services.printing.enable = true;

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e";

  # Enable the KDE Desktop Environment.
  services.xserver.displayManager.kdm.enable = true;
  services.xserver.desktopManager.kde4.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  # users.extraUsers.guest = {
  #   name = "guest";
  #   group = "users";
  #   uid = 1000;
  #   createHome = true;
  #   home = "/home/guest";
  #   shell = "/run/current-system/sw/bin/bash";
  # };

}