flake/nixos/profiles/core/default.nix

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{
config,
lib,
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inputs,
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pkgs,
...
}: {
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imports = [
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./hardening
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./nix
./packages
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# Flake modules
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inputs.self.nixosModules.default
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inputs.disko.nixosModules.disko
inputs.home-manager.nixosModules.home-manager
inputs.impermanence.nixosModules.impermanence
inputs.lanzaboote.nixosModules.lanzaboote
inputs.sops-nix.nixosModules.sops
];
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users.mutableUsers = false;
home-manager = {
useGlobalPkgs = true;
useUserPackages = true;
extraSpecialArgs = {inherit inputs;}; # ??? isnt specialArgs imported by default ???
};
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### Boot
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boot.initrd.systemd.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
boot.loader.systemd-boot = {
enable = lib.mkDefault true; # mkDefault for Lanzaboote
editor = false; # Disabled for security
### Utilities
#netbootxyz.enable = true;
#memtest86.enable = true;
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};
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### Default Programs
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environment.defaultPackages = [];
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# In addtion of https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/config/system-path.nix
environment.systemPackages = with pkgs; [
unzip
wget
tree
file
htop
lsof
ltrace
dnsutils
pciutils
usbutils
];
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programs.dconf.enable = true;
programs.nano.enable = false; # make sure to add another editor and set the $EDITOR variable
programs.neovim = {
enable = true;
viAlias = true;
vimAlias = true;
defaultEditor = true;
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};
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services.openssh = {
enable = true;
settings.PermitRootLogin = "no";
settings.PasswordAuthentication = false;
};
services.getty.greetingLine = let
inherit (config.system) nixos;
in ''
NixOS ${nixos.label} ${nixos.codeName} (\m) - \l
${lib.strings.optionalString (builtins.elem "nvidia" config.services.xserver.videoDrivers)
"--my-next-gpu-wont-be-nvidia"}
${lib.strings.optionalString (builtins.elem "amdgpu" config.boot.initrd.kernelModules)
"[ 5.996722] amdgpu 0000:67:00.0: Fatal error during GPU init"}
'';
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hardware.nvidia.nvidiaSettings = false;
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### WORKAROUND: Revert to NVIDIA version 470.223.02 due to performance issues in version 545.29.06,
# this shouldn't affect non-nvidia machines.
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nixpkgs.config.nvidia.acceptLicense = true;
hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.legacy_470;
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### https://wiki.archlinux.org/title/Sysctl#Improving_performance
boot.kernelModules = ["tcp_bbr"];
boot.kernel.sysctl = {
"net.ipv4.tcp_fastopen" = "3";
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"net.ipv4.tcp_keepalive_time" = "80";
"net.ipv4.tcp_keepalive_intvl" = "10";
"net.ipv4.tcp_keepalive_probes" = "6";
"net.ipv4.tcp_mtu_probing" = "1";
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"net.core.default_qdisc" = "cake";
"net.ipv4.tcp_congestion_control" = "bbr";
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};
}