feat: add new host and start modularizing system configuration
This commit is contained in:
Jay Looney
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ebe58addaa
commit
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22 changed files with 1050 additions and 288 deletions
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This is my primary homelab host/NAS, previously powered by TrueNAS Scale/k3s.
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## Manual Actions
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Even with fully declarative Nix/Nixpkgs/NixOS at the end of the day there are
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still some actions that need to be taken manually.
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- secrets configuration (both for SOPS and git-agecrypt semi-secrets)
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- kanidm user management
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- tailscale auth key
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- jellyfin configuration via web-ui
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## Semi-Secrets
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`semi-secret-vars.nix` is following a pattern I discovered here:
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https://github.com/nyawox/arcanum/blob/4629dfba1bc6d4dd2f4cf45724df81289230b61a/var/README.md
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`semi-secret-vars.nix` is using [git-agecrypt](https://github.com/vlaci/git-agecrypt)
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and following a pattern I discovered here:
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- https://github.com/nyawox/arcanum/blob/4629dfba1bc6d4dd2f4cf45724df81289230b61a/var/README.md
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- https://github.com/vlaci/git-agecrypt
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Essentially there are some details I won't want exposed in the repository, but
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I do want them available to all my nix modules. The main one being the domain.
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# Edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page, on
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# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
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{ config, pkgs, ... }:
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{
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# Setup sops default secrets.
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sops.defaultSopsFile = ./secrets/common.yaml;
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# Use the systemd-boot EFI boot loader.
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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# TODO: Request 192.168.50.3 over DHCP
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# Currently this is enforced at the router layer on a single interface.
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# I'd dramatically prefer it to be a bond0 interface but w/e it is what it is.
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networking.hostName = "lithium"; # Define your hostname.
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networking.hostName = "lithium";
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networking.domain = config.vars.domain;
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# Pick only one of the below networking options.
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# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
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# networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
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# Set your time zone.
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time.timeZone = "America/Chicago";
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# Configure network proxy if necessary
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# networking.proxy.default = "http://user:password@proxy:port/";
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# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
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# Select internationalisation properties.
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# i18n.defaultLocale = "en_US.UTF-8";
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# console = {
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# font = "Lat2-Terminus16";
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# keyMap = "us";
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# useXkbConfig = true; # use xkb.options in tty.
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# };
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# Enable the X11 windowing system.
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#services.xserver.enable = true;
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# Enable the GNOME Desktop Environment.
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#services.xserver.displayManager.gdm.enable = true;
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#services.xserver.desktopManager.gnome.enable = true;
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# Configure keymap in X11
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# services.xserver.xkb.layout = "us";
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# services.xserver.xkb.options = "eurosign:e,caps:escape";
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# Enable CUPS to print documents.
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# services.printing.enable = true;
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# Enable sound.
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# services.pulseaudio.enable = true;
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# OR
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# services.pipewire = {
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# enable = true;
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# pulse.enable = true;
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# };
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# Enable touchpad support (enabled default in most desktopManager).
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# services.libinput.enable = true;
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# Define a user account. Don't forget to set a password with ‘passwd’.
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users.users.jay = {
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isNormalUser = true;
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extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
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packages = with pkgs; [
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tree
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];
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};
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nixpkgs.config.allowUnfree = true;
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nix.settings = {
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experimental-features = [ "nix-command" "flakes" ];
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};
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# List packages installed in system profile.
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# You can use https://search.nixos.org/ to find more packages (and options).
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environment.systemPackages = with pkgs; [
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vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
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git
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zfs
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# wget
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];
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# Some programs need SUID wrappers, can be configured further or are
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# started in user sessions.
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# programs.mtr.enable = true;
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# programs.gnupg.agent = {
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# enable = true;
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# enableSSHSupport = true;
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# };
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# List services that you want to enable:
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# Enable the OpenSSH daemon.
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services.openssh.enable = true;
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# Open ports in the firewall.
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# networking.firewall.allowedTCPPorts = [ ... ];
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# networking.firewall.allowedUDPPorts = [ ... ];
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# Or disable the firewall altogether.
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# networking.firewall.enable = false;
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# Copy the NixOS configuration file and link it from the resulting system
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# (/run/current-system/configuration.nix). This is useful in case you
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# accidentally delete configuration.nix.
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# system.copySystemConfiguration = true;
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# This option defines the first version of NixOS you have installed on this particular machine,
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# and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
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#
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# Most users should NEVER change this value after the initial install, for any reason,
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# even if you've upgraded your system to a new NixOS release.
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#
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# This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
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# so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
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# to actually do that.
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#
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# This value being lower than the current NixOS release does NOT mean your system is
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# out of date, out of support, or vulnerable.
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#
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# Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
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# and migrated your data accordingly.
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#
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# For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
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system.stateVersion = "25.05"; # Did you read the comment?
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programs.mosh.enable = true;
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system.stateVersion = "25.05";
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}
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@ -1,12 +1,16 @@
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{ ... }:
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{ inputs, ... }:
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{
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imports = [
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../../modules/nixos/base.nix
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inputs.sops-nix.nixosModules.sops
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./hardware.nix
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./configuration.nix
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./semi-secret-vars.nix
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./services/caddy.nix
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./services/tailscale.nix
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./services/kanidm.nix
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./services/jellyfin.nix
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./services/uptime-kuma.nix
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./services/file-shares.nix
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];
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}
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78
hosts/lithium/services/file-shares.nix
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78
hosts/lithium/services/file-shares.nix
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{ ... }:
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{
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# NOTE: We do need to guarantee this group exists.
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# and manually provision users with `sudo smbpasswd -a $username`
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users.groups.samba = {};
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services.samba = {
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enable = true;
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openFirewall = true;
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nmbd.enable = false; # NOTE: Disable NetBIOS responses.
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# usershares.enable = true; # NOTE: Members of group "samba" can create usershares.
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# NOTE: Refer to https://www.samba.org/samba/docs/current/man-html/smb.conf.5.html
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# to configure this service.
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settings = {
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global = {
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workgroup = "WORKGROUP";
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"hosts allow" = "192.168.50.";
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"hosts deny" = "ALL";
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"guest account" = "nobody";
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"map to guest" = "bad user";
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"log file" = "/var/log/samba/%m.log";
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"max log size" = 1000;
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"create mask" = "0660";
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"directory mask" = "2770";
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};
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# NOTE: usershares enables users to create their own shares. This creates
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# a share per-user.
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homes = {
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browseable = "no";
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writable = "yes";
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"read only" = "no";
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"guest ok" = "no";
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"valid users" = "%S";
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path = "/tank/shares/personal/%S";
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};
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staging = {
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comment = "Temp Upload Area";
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path = "/tank/shares/staging";
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browseable = "yes";
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writable = "yes";
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"guest ok" = "yes";
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"force user" = "nobody";
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"force group" = "nogroup";
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"create mask" = "0666";
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"directory mask" = "0777";
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};
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backups = {
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comment = "Device Backups";
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path = "/tank/shares/backups";
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browseable = "no";
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writable = "yes";
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"valid users" = "@samba";
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"guest ok" = "no";
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};
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## TODO: Time Machine Configuration
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# http://wiki.nixos.org/wiki/Samba#Apple_Time_Machine
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};
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};
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# NOTE: This is used to advertise shares to Windows hosts.
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services.samba-wsdd = {
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enable = true;
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openFirewall = true;
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};
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#services.avahi = {
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#enable = true;
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#openFirewall = true;
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#publish.enable = true;
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#publish.userServices = true;
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#};
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}
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22
hosts/lithium/services/tailscale.nix
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22
hosts/lithium/services/tailscale.nix
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{ config, pkgs, ... }:
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#let
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#hostName = config.networking.hostName;
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#tailnetName = "tail79151.ts.net";
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#svcDomain = "${hostName}.${tailnetName}";
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#in
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{
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# NOTE: This does require a manual step of creating a tailscale account if
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# you don't already have one, and generating an Auth Key:
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# https://login.tailscale.com/admin/machines/new-linux
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# After enabling this and generating an install script copy the authkey and
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# run: `sudo tailscale up --auth-key=KEY`
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# NOTE: Use Caddy to create and manage SSL Certs for Tailscale
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#services.caddy.virtualHosts."${svcDomain}".extraConfig = ''
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#reverse_proxy :<port>
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#'';
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services.tailscale = {
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enable = true;
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#permitCertUid = "caddy"; # Allow caddy to edit certs
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};
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}
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