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

[Wout Mertens]

Hi Joseph Joe,

It seems your kernel configuration didn't make it into your image.

This is where the configuration is read into the evaluation:
https://github.com/NixOS/nixpkgs/blob/master/nixos/default.nix#L1

So it either reads the file pointed to by $NIXOS_CONFIG or it gets
nixos-config from the NIX_PATH.

=> NIXOS_CONFIG=$PWD/myconfig.nix nix-build "<nixpkgs/nixos/release.nix>"
-A iso_graphical.x86_64-linux

Wout.

On Tue, Oct 14, 2014 at 5:29 AM, Joseph Joe <joej at reed.edu> wrote:

> David, the command
>
> $ nix-build "<nixpkgs/nixos/release.nix>" -A iso_graphical.x86_64-linux
>
> worked and created an iso. I made a live usb with it, but the problem
> persists. Upon booting, the only available hard drive is the usb.
>
> So, the iso did not use the system configuration.nix file.
>
> Alexander, could you elaborate on what I'd need to copy and change to
> embed these kernel changes? I tried to add the same lines of code (...
> SCSI_SAS_ATA y) into release.nix, but got an error saying that
> release.nix is part of a read only file system.
>
> On Sat, Oct 11, 2014 at 1:10 AM, David Guibert <david.guibert at gmail.com>
> wrote:
> >
> > Hi,
> >
> > On Sat, Oct 11, 2014 at 8:20 AM, Joseph Joe <joej at reed.edu> wrote:
> > > I now would like to create an image file from the configuration.
> > >
> > > I issued the command:
> > > $ export NIX_PATH=$NIXREPOS
> >
> > check both variables
> > $ echo $NIX_PATH
> > /nix/var/nix/profiles/per-user/root/channels/nixos
> >
> > You could also set it to your working directory of nixpkgs.
> >
> > > But, the command:
> > > $ nix-build -A iso_graphical.x86_64-linux $NIXREPOS/nixos/release.nix
> >
> > Do build an ISO, you could use
> >
> > $ nix-build "<nixpkgs/nixos/release.nix>" -A iso_graphical.x86_64-linux
> >
> > "<nixpkgs>" will be substituted by the path of nixpkgs by looking up
> > inside $NIX_PATH.
> > --
> > Regards, David
>
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