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59 lines
1.7 KiB
Nix
59 lines
1.7 KiB
Nix
# Provide a basic configuration for installation devices like CDs.
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{ config, pkgs, modules, ... }:
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with pkgs.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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];
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config = {
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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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# 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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optionalString config.services.xserver.enable
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"Type `start display-manager' to\nstart the graphical user interface."}
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'';
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# Allow sshd to be started manually through "start sshd".
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services.openssh.enable = true;
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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 = true;
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jobs.wpa_supplicant.startOn = pkgs.lib.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.shellInit =
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''
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export GC_INITIAL_HEAP_SIZE=100000
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'';
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};
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}
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