From e6ed60548397627bf10f561f9438201dbba0a36e Mon Sep 17 00:00:00 2001
From: Azat Bahawi <azat@bahawi.net>
Date: Sun, 21 Apr 2024 02:15:42 +0300
Subject: 2024-04-21

---
 modules/profiles/headless.nix | 61 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 modules/profiles/headless.nix

(limited to 'modules/profiles/headless.nix')

diff --git a/modules/profiles/headless.nix b/modules/profiles/headless.nix
new file mode 100644
index 0000000..7733f3e
--- /dev/null
+++ b/modules/profiles/headless.nix
@@ -0,0 +1,61 @@
+{
+  config,
+  lib,
+  pkgs,
+  this,
+  ...
+}:
+with lib;
+let
+  cfg = config.nixfiles.modules.profiles.headless;
+in
+{
+  options.nixfiles.modules.profiles.headless.enable = mkEnableOption "headless profile" // {
+    default = this.isHeadless;
+  };
+
+  config = mkIf cfg.enable {
+    nixfiles.modules = {
+      openssh.server.enable = true;
+      endlessh-go.enable = true;
+
+      fail2ban.enable = true;
+
+      node-exporter.enable = true;
+      promtail.enable = false; # FIXME High RAM usage.
+    };
+
+    hm.home.file = {
+      ".hushlogin".text = "";
+      ".bash_history".source = config.hm.lib.file.mkOutOfStoreSymlink "/dev/null";
+    };
+
+    # Pin version to prevent any surprises. Try keeping this up-to-date[1] with
+    # the latest LTS release + hardened patches (just in case).
+    #
+    # [1]: https://kernel.org
+    boot.kernelPackages = pkgs.linuxPackages_6_6_hardened;
+
+    nix = {
+      gc = {
+        automatic = true;
+        dates = "weekly";
+        options = "--delete-older-than 30d";
+      };
+
+      optimise = {
+        automatic = true;
+        dates = [ "daily" ];
+      };
+    };
+
+    environment.systemPackages = with pkgs; [
+      alacritty.terminfo
+      foot.terminfo
+    ];
+
+    services.udisks2.enable = false;
+
+    xdg.sounds.enable = false;
+  };
+}
-- 
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