orange/citrus.nix

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Nix
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{pkgs, ... }:
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{
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system.stateVersion = "23.05";
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# Enables flakes and the updated `nix` command
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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environment.systemPackages = with pkgs; [
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zellij tmux minicom tio lrzsz python3Packages.pyserial btop
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];
programs.fish.enable = true;
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users = {
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# No need to edit users on a single-purpose system.
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mutableUsers = false;
users = {
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geekygay = {
shell = pkgs.fish;
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isNormalUser = true;
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extraGroups = [ "wheel" "dialout" ];
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password = "";
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openssh.authorizedKeys.keyFiles = [
./authorized_keys
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];
};
};
};
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security.sudo.wheelNeedsPassword = false; # Needed for colmena.
nix.settings.trusted-users = [ "root" "@wheel" ];
documentation.man.enable = false; # Takes way too long to build.
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# Allow SSH with authorized keys only!
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services.openssh = {
enable = true;
settings.PasswordAuthentication = false;
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};
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# Start tmux session for serial console on boot.
systemd.services.tmux-serial = {
description = "Tmux Serial Server Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
Restart = "always";
User = "geekygay";
Type = "forking";
WorkingDirectory = "~";
GuessMainPID = true;
ExecStart = "${pkgs.tmux}/bin/tmux new -d ${pkgs.python3Packages.pyserial}/bin/pyserial-miniterm /dev/ttyS1 115200 --eol lf --raw";
};
};
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}