ec6224b6cd
This reverts commit 571fb74f449aa173e231166515b41feb778524b8. The dependency on gtk2 was removed. Co-authored-by: Florian Klink <flokli@flokli.de>
107 lines
3.5 KiB
Nix
107 lines
3.5 KiB
Nix
# Provide a basic configuration for installation devices like CDs.
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{ config, pkgs, lib, ... }:
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with lib;
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{
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imports =
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[ # Enable devices which are usually scanned, because we don't know the
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# target system.
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../installer/scan/detected.nix
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../installer/scan/not-detected.nix
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# Allow "nixos-rebuild" to work properly by providing
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# /etc/nixos/configuration.nix.
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./clone-config.nix
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# Include a copy of Nixpkgs so that nixos-install works out of
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# the box.
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../installer/cd-dvd/channel.nix
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];
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config = {
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# Enable in installer, even if the minimal profile disables it.
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documentation.enable = mkForce true;
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# Show the manual.
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documentation.nixos.enable = mkForce true;
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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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# Use less privileged nixos user
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users.users.nixos = {
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isNormalUser = true;
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extraGroups = [ "wheel" "networkmanager" "video" ];
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# Allow the graphical user to login without password
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initialHashedPassword = "";
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};
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# Allow the user to log in as root without a password.
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users.users.root.initialHashedPassword = "";
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# Allow passwordless sudo from nixos user
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security.sudo = {
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enable = mkDefault true;
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wheelNeedsPassword = mkForce false;
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};
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# Automatically log in at the virtual consoles.
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services.mingetty.autologinUser = "nixos";
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# Some more help text.
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services.mingetty.helpLine = ''
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The "nixos" and "root" accounts have empty passwords.
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Type `sudo systemctl start sshd` to start the SSH daemon.
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You then must set a password for either "root" or "nixos"
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with `passwd` to be able to login.
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'' + optionalString config.services.xserver.enable ''
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Type `sudo systemctl start display-manager' to
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start the graphical user interface.
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'';
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# Allow sshd to be started manually through "systemctl start sshd".
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services.openssh = {
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enable = true;
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# Allow password login to the installation, if the user sets a password via "passwd"
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# It is safe as root doesn't have a password by default and SSH is disabled by default
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permitRootLogin = "yes";
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};
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systemd.services.sshd.wantedBy = mkOverride 50 [];
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# Enable wpa_supplicant, but don't start it by default.
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networking.wireless.enable = mkDefault true;
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systemd.services.wpa_supplicant.wantedBy = mkOverride 50 [];
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# Tell the Nix evaluator to garbage collect more aggressively.
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# This is desirable in memory-constrained environments that don't
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# (yet) have swap set up.
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environment.variables.GC_INITIAL_HEAP_SIZE = "1M";
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# Make the installer more likely to succeed in low memory
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# environments. The kernel's overcommit heustistics bite us
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# fairly often, preventing processes such as nix-worker or
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# download-using-manifests.pl from forking even if there is
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# plenty of free memory.
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boot.kernel.sysctl."vm.overcommit_memory" = "1";
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# To speed up installation a little bit, include the complete
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# stdenv in the Nix store on the CD.
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system.extraDependencies = with pkgs;
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[
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stdenv
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stdenvNoCC # for runCommand
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busybox
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jq # for closureInfo
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];
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# Show all debug messages from the kernel but don't log refused packets
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# because we have the firewall enabled. This makes installs from the
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# console less cumbersome if the machine has a public IP.
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networking.firewall.logRefusedConnections = mkDefault false;
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};
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}
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