Flake for my desktop, laptop, and my homelab.
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354{ # keep-sorted start inputs, self, # keep-sorted end ...}: { flake-file.inputs.millennium.url = "github:SteamClientHomebrew/Millennium?dir=packages/nix";
flake = { overlays.millennium = inputs.millennium.overlays.default;
modules = { nixos.steam = {pkgs, ...}: { nixpkgs.overlays = [self.overlays.millennium];
programs.steam = { enable = true;
# Use Millennium's patched Steam package. package = pkgs.millennium-steam;
# Open necessary ports for remote play and on-LAN transfers. localNetworkGameTransfers.openFirewall = true; remotePlay.openFirewall = true;
protontricks.enable = true;
# Include custom proton builds. extraCompatPackages = [pkgs.proton-ge-bin];
fontPackages = [pkgs.noto-fonts-cjk-sans]; };
# Match the SteamOS defaults used on Steam Deck. boot.kernel.sysctl = { # keep-sorted start # last checked with https://steamdeck-packages.steamos.cloud/archlinux-mirror/jupiter-main/os/x86_64/steamos-customizations-jupiter-20250117.1-1-any.pkg.tar.zst "kernel.sched_cfs_bandwidth_slice_us" = 3000; # Avoid split lock slowdown on supported kernels. "kernel.split_lock_mitigate" = 0; # Shorten fin timeout for games that restart quickly. "net.ipv4.tcp_fin_timeout" = 5; # Use MAX_INT - MAPCOUNT_ELF_CORE_MARGIN. "vm.max_map_count" = 2147483642; # keep-sorted end }; };
homeManager.steam.programs.steam.millennium.enable = true; }; };}