mirror of
https://github.com/ryan4yin/nix-config.git
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87 lines
2.9 KiB
Nix
87 lines
2.9 KiB
Nix
{
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lib,
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pkgs,
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...
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}: {
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###################################################################################
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#
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# NixOS's core configuration suitable for all my machines
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#
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###################################################################################
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# to install chrome, you need to enable unfree packages
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nixpkgs.config.allowUnfree = lib.mkForce true;
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# for nix server, we do not need to keep too much generations
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boot.loader.systemd-boot.configurationLimit = lib.mkDefault 10;
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# do garbage collection weekly to keep disk usage low
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nix.gc = {
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automatic = lib.mkDefault true;
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dates = lib.mkDefault "weekly";
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options = lib.mkDefault "--delete-older-than 7d";
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};
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# Manual optimise storage: nix-store --optimise
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# https://nixos.org/manual/nix/stable/command-ref/conf-file.html#conf-auto-optimise-store
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nix.settings.auto-optimise-store = true;
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# Enable in-memory compressed devices and swap space provided by the zram kernel module.
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# By enable this, we can store more data in memory instead of fallback to disk-based swap devices directly,
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# and thus improve I/O performance when we have a lot of memory.
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#
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# https://www.kernel.org/doc/Documentation/blockdev/zram.txt
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zramSwap = {
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enable = true;
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# one of "lzo", "lz4", "zstd"
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algorithm = "zstd";
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# Priority of the zram swap devices.
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# It should be a number higher than the priority of your disk-based swap devices
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# (so that the system will fill the zram swap devices before falling back to disk swap).
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priority = 5;
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# Maximum total amount of memory that can be stored in the zram swap devices (as a percentage of your total memory).
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# Defaults to 1/2 of your total RAM. Run zramctl to check how good memory is compressed.
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# This doesn’t define how much memory will be used by the zram swap devices.
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memoryPercent = 50;
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};
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# for power management
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services = {
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power-profiles-daemon = {
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enable = true;
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};
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upower.enable = true;
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};
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# List packages installed in system profile. To search, run:
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# $ nix search wget
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environment.systemPackages = with pkgs; [
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parted
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psmisc # killall/pstree/prtstat/fuser/...
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neovim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
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wget
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curl
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aria2
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git # used by nix flakes
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git-lfs # used by huggingface models
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# create a fhs environment by command `fhs`, so we can run non-nixos packages in nixos!
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(
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let
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base = pkgs.appimageTools.defaultFhsEnvArgs;
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in
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pkgs.buildFHSUserEnv (base
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// {
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name = "fhs";
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targetPkgs = pkgs: (base.targetPkgs pkgs) ++ [pkgs.pkg-config];
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profile = "export FHS=1";
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runScript = "bash";
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extraOutputsToInstall = ["dev"];
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})
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)
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];
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# replace default editor with neovim
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environment.variables.EDITOR = "nvim";
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}
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