mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-01 07:01:54 +00:00
51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
# This module contains the basic configuration for building a NixOS
|
|
# installation CD.
|
|
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
{
|
|
imports =
|
|
[ ./channel.nix
|
|
./iso-image.nix
|
|
|
|
# Profiles of this basic installation CD.
|
|
../../profiles/all-hardware.nix
|
|
../../profiles/base.nix
|
|
../../profiles/installation-device.nix
|
|
];
|
|
|
|
# ISO naming.
|
|
isoImage.isoName = "${config.isoImage.isoBaseName}-${config.system.nixosVersion}-${pkgs.stdenv.system}.iso";
|
|
|
|
isoImage.volumeID = substring 0 11 "NIXOS_ISO";
|
|
|
|
# Make the installer more likely to succeed in low memory
|
|
# environments. The kernel's overcommit heustistics bite us
|
|
# fairly often, preventing processes such as nix-worker or
|
|
# download-using-manifests.pl from forking even if there is
|
|
# plenty of free memory.
|
|
boot.kernel.sysctl."vm.overcommit_memory" = "1";
|
|
|
|
# To speed up installation a little bit, include the complete stdenv
|
|
# in the Nix store on the CD. Archive::Cpio is needed for the
|
|
# initrd builder.
|
|
isoImage.storeContents = [ pkgs.stdenv pkgs.busybox pkgs.perlPackages.ArchiveCpio ];
|
|
|
|
# EFI booting
|
|
isoImage.makeEfiBootable = true;
|
|
|
|
# Add Memtest86+ to the CD.
|
|
boot.loader.grub.memtest86.enable = true;
|
|
|
|
# Get a console as soon as the initrd loads fbcon on EFI boot.
|
|
boot.initrd.kernelModules = [ "fbcon" ];
|
|
|
|
# Add support for cow filesystems and their utilities
|
|
boot.supportedFilesystems = [ /* "zfs" */ "btrfs" ];
|
|
|
|
# Allow the user to log in as root without a password.
|
|
users.extraUsers.root.initialHashedPassword = "";
|
|
}
|