107 lines
2.9 KiB
Nix
107 lines
2.9 KiB
Nix
{ outputs, config, lib, ... }:
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{
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security = {
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sudo.enable = true;
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polkit.enable = true;
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};
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services = {
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printing.enable = true;
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acpid.enable = true;
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upower.enable = true;
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nix-fhs.enable = true;
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openssh = {
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enable = true;
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# Forbid root login through SSH.
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# Use keys only. Remove if you want to SSH using password (not recommended)
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settings = {
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# permitRootLogin = "no";
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# passwordAuthentication = false;
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KbdInteractiveAuthentication = false;
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X11Forwarding = false;
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};
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};
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# Enable the Avahi daemon for mDNS/DNS-SD support
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avahi = {
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enable = true;
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nssmdns4 = true; # 非常重要，允许系统解析 .local 地址
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openFirewall = true;
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};
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journald.extraConfig = ''
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SystemMaxUse=500M
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MaxFileSec=7day
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'';
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};
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nix = {
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settings = {
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# Enable flakes and new 'nix' command
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experimental-features = "nix-command flakes";
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substituters = [
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"https://mirrors.ustc.edu.cn/nix-channels/store"
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"https://nix-community.cachix.org"
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"https://cache.nixos.org/"
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];
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trusted-public-keys = [
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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];
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trusted-users = [ "root" ];
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# Enable local binary cache
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keep-outputs = true;
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keep-derivations = true;
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max-jobs = "auto";
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cores = 0; # Use all available cores
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# Deduplicate and optimize nix store during build
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# auto-optimise-store = true;
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};
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gc = {
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automatic = true; # Enable automatic garbage collection
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dates = "weekly"; # Execute garbage collection weekly
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persistent = true; # Keep settings after reboot
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randomizedDelaySec = "15min"; # Add up to 15 minutes of random delay
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options = "--delete-older-than 30d"; # Delete files older than 30 days
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};
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# Automatically run garbage collection whenever there is not enough space left
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# Free up to 5GiB whenever there is less than 1GiB left:
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extraOptions = ''
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min-free = ${toString (1 * 1024 * 1024 * 1024)}
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max-free = ${toString (5 * 1024 * 1024 * 1024)}
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'';
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};
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nixpkgs = {
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# You can add overlays here
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overlays = [
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# Add overlays your own flake exports (from overlays and pkgs dir):
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outputs.overlays.additions
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outputs.overlays.modifications
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outputs.overlays.unstable-packages
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# You can also add overlays exported from other flakes:
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# neovim-nightly-overlay.overlays.default
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# Or define it inline, for example:
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# (final: prev: {
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# hi = final.hello.overrideAttrs (oldAttrs: {
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# patches = [ ./change-hello-to-hi.patch ];
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# });
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# })
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];
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# Configure your nixpkgs instance
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# 只有在没有使用外部创建的nixpkgs实例时才设置config
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config = {
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# Disable if you don't want unfree packages
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allowUnfree = true;
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};
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};
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}
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