790368e315
installation-cd-minimal.nix is now 2.6.32. Added most of its extra tools to installation-cd-base.nix. * Put memtest86 at the bottom of the GRUB menu. (There is currently no good way to do this other than to change the module inclusion order.) svn path=/nixos/trunk/; revision=19188
245 lines
7.1 KiB
Nix
245 lines
7.1 KiB
Nix
# This module contains the basic configuration for building a NixOS
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# installation CD.
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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options = {
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system.nixosVersion = mkOption {
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default = "${builtins.readFile ../../../VERSION}";
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description = ''
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NixOS version number.
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'';
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};
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installer.configModule = mkOption {
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example = "./nixos/modules/installer/cd-dvd/installation-cd.nix";
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description = ''
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Filename of the configuration module that builds the CD
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configuration. Must be specified to support reconfiguration
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in live CDs.
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'';
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};
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};
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# We need a copy of the Nix expressions for Nixpkgs and NixOS on the
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# CD. We put them in a tarball because accessing that many small
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# files from a slow device like a CD-ROM takes too long. !!! Once
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# we use squashfs, maybe we won't need this anymore.
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makeTarball = tarName: input: pkgs.runCommand "tarball" {inherit tarName;}
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''
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ensureDir $out
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(cd ${input} && tar cvfj $out/${tarName} . \
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--exclude '*~' --exclude 'result')
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'';
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# Put the current directory in a tarball.
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nixosTarball = makeTarball "nixos.tar.bz2" (cleanSource ../../..);
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# Put Nixpkgs in a tarball.
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nixpkgsTarball = makeTarball "nixpkgs.tar.bz2" (cleanSource pkgs.path);
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includeSources = true;
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# A dummy /etc/nixos/configuration.nix in the booted CD that
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# rebuilds the CD's configuration (and allows the configuration to
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# be modified, of course, providing a true live CD). Problem is
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# that we don't really know how the CD was built - the Nix
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# expression language doesn't allow us to query the expression being
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# evaluated. So we'll just hope for the best.
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dummyConfiguration = pkgs.writeText "configuration.nix"
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''
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{config, pkgs, ...}:
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{
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require = [${config.installer.configModule}];
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# Add your own options below and run "nixos-rebuild switch".
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# E.g.,
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# services.sshd.enable = true;
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}
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'';
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in
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{
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require =
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[ options
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./memtest.nix
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./iso-image.nix
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../../hardware/network/intel-3945abg.nix
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../../hardware/network/rt73.nix
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];
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# ISO naming.
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isoImage.isoName = "nixos-${config.system.nixosVersion}-${pkgs.stdenv.system}.iso";
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isoImage.volumeID = "NIXOS_INSTALL_CD_${config.system.nixosVersion}";
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# Use Linux 2.6.32.
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boot.kernelPackages = pkgs.kernelPackages_2_6_32;
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# Show the manual.
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services.nixosManual.showManual = true;
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# Let the user play Rogue on TTY 8 during the installation.
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services.rogue.enable = true;
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# Disable some other stuff we don't need.
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security.sudo.enable = false;
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# Include only the en_US locale. This saves 75 MiB or so compared to
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# the full glibcLocales package.
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i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];
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# Include some utilities that are useful for installing or repairing
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# the system.
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environment.systemPackages =
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[ pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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pkgs.testdisk # useful for repairing boot problems
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pkgs.mssys # for writing Microsoft boot sectors / MBRs
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pkgs.parted
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pkgs.ddrescue
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pkgs.ccrypt
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pkgs.cryptsetup # needed for dm-crypt volumes
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# Some networking tools.
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pkgs.sshfsFuse
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pkgs.socat
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pkgs.screen
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pkgs.wpa_supplicant # !!! should use the wpa module
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# Hardware-related tools.
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pkgs.sdparm
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pkgs.hdparm
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pkgs.dmraid
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# Tools to create / manipulate filesystems.
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pkgs.ntfsprogs # for resizing NTFS partitions
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pkgs.btrfsProgs
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pkgs.xfsprogs
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pkgs.jfsutils
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pkgs.jfsrec
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# Some compression/archiver tools.
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pkgs.unrar
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pkgs.unzip
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pkgs.zip
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pkgs.xz
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pkgs.dar # disk archiver
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# Some editors.
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pkgs.nvi
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pkgs.bvi # binary editor
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pkgs.joe
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];
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# The initrd has to contain any module that might be necessary for
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# mounting the CD/DVD.
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boot.initrd.availableKernelModules =
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[ # SATA/PATA support.
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"ahci"
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"ata_piix"
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"sata_inic162x" "sata_nv" "sata_promise" "sata_qstor"
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"sata_sil" "sata_sil24" "sata_sis" "sata_svw" "sata_sx4"
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"sata_uli" "sata_via" "sata_vsc"
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"pata_ali" "pata_amd" "pata_artop" "pata_atiixp"
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"pata_cs5520" "pata_cs5530" "pata_cs5535" "pata_efar"
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"pata_hpt366" "pata_hpt37x" "pata_hpt3x2n" "pata_hpt3x3"
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"pata_it8213" "pata_it821x" "pata_jmicron" "pata_marvell"
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"pata_mpiix" "pata_netcell" "pata_ns87410" "pata_oldpiix"
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"pata_pcmcia" "pata_pdc2027x" "pata_qdi" "pata_rz1000"
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"pata_sc1200" "pata_serverworks" "pata_sil680" "pata_sis"
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"pata_sl82c105" "pata_triflex" "pata_via"
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"pata_winbond"
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# SCSI support (incomplete).
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"3w-9xxx" "3w-xxxx" "aic79xx" "aic7xxx" "arcmsr"
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# USB support, especially for booting from USB CD-ROM
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# drives.
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"usb_storage"
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# Firewire support. Not tested.
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"ohci1394" "sbp2"
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# Virtio (QEMU, KVM etc.) support.
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"virtio_net" "virtio_pci" "virtio_blk" "virtio_balloon"
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# Add vfat to enable people to copy the contents of the CD to a
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# bootable USB stick.
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"vfat"
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];
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boot.initrd.kernelModules =
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[ # Wait for SCSI devices to appear.
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"scsi_wait_scan"
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];
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# nixos-install will do a pull from this channel to speed up the
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# installation.
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installer.nixpkgsURL = http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable;
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boot.postBootCommands =
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''
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export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH
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# Provide a mount point for nixos-install.
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mkdir -p /mnt
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# Provide the NixOS/Nixpkgs sources in /etc/nixos. This is required
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# for nixos-install.
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${optionalString includeSources ''
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echo "unpacking the NixOS/Nixpkgs sources..."
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mkdir -p /etc/nixos/nixos
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tar xjf ${nixosTarball}/nixos.tar.bz2 -C /etc/nixos/nixos
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mkdir -p /etc/nixos/nixpkgs
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tar xjf ${nixpkgsTarball}/nixpkgs.tar.bz2 -C /etc/nixos/nixpkgs
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chown -R root.root /etc/nixos
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''}
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# Provide a configuration for the CD/DVD itself, to allow users
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# to run nixos-rebuild to change the configuration of the
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# running system on the CD/DVD.
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cp ${dummyConfiguration} /etc/nixos/configuration.nix
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'';
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# Some more help text.
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services.mingetty.helpLine =
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''
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Log in as "root" with an empty password. ${
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if config.services.xserver.enable then
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"Type `start xserver' to start\nthe graphical user interface."
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else ""
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}
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'';
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# Include the firmware for various wireless cards.
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networking.enableRT73Firmware = true;
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networking.enableIntel2200BGFirmware = true;
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networking.enableIntel3945ABGFirmware = true;
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# To speed up installation a little bit, include the complete stdenv
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# in the Nix store on the CD.
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isoImage.storeContents = [pkgs.stdenv];
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# Allow sshd to be started manually through "start sshd". It should
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# not be started by default on the installation CD because the
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# default root password is empty.
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services.sshd.enable = true;
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jobs.sshd.startOn = pkgs.lib.mkOverride 50 {} "";
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}
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