Update

laptop/configuration.nix

@@ -1,6 +1,12 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
+
+# Nix Reference Manual:  
+# https://nixos.org/manual/nix/stable/
+# NixOS Packages / Options:
+# https://search.nixos.org/packages?
+
 { config, pkgs, ... }: {
   imports =
     [ 
@@ -11,6 +17,8 @@
       ./home-manager.nix
       # Gnome configuration file.
       ./gnome.nix
+      # Promtail logging
+      ./promtail.nix
     ];
 
   # Keep the system up-to-date automatically
@@ -115,6 +123,7 @@
       steam
       lutris
       vlc
+      vscodium
     ];
   };
 

laptop/dconf.nix

@@ -0,0 +1,8 @@
+      dconf.settings = {
+        "org/gnome/calculator" = {
+          button-mode = "programming";
+          show-thousands = true;
+          base = 10;
+          word-size = 64;
+          window-position = lib.hm.gvariant.mkTuple [100 100];
+      };

laptop/gnome.nix

@@ -34,5 +34,4 @@
     gnomeExtensions.caffeine
     gnome3.gnome-tweaks
   ];
-
 }

laptop/home-manager.nix

@@ -1,4 +1,9 @@
 { config, pkgs, ... }:
+# Home-Manager Manual
+# https://nix-community.github.io/home-manager/index.html
+
+# Home-Manager Options Search
+# https://mipmip.github.io/home-manager-option-search/
 let
   home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz";
 in
@@ -18,9 +23,9 @@ in
         credential.helper = "cache --timeout=25920000";
       };
 
-      # dconf settings:
-      
-    };
+      # dconf settings: 
+      # https://github.com/gvolpe/dconf2nix
+
   };
 
     home-manager.users.root = {

laptop/promtail.nix

@@ -0,0 +1,74 @@
+{ config, pkgs, ... }: {
+  # Promtail Logging
+
+  # Install the package
+  environment.systemPackages = with pkgs; [
+    promtail
+  ];
+
+  # Configure the package:
+  # https://mynixos.com/nixpkgs/option/services.promtail.configuration
+  services.promtail = {
+    enable = true;
+    configuration = {
+      {
+        "positions": {
+          "filename": "/tmp/positions.yaml"
+        },
+        "clients": [
+          {
+            "url": "https://loki.sysctl.io/loki/api/v1/push",
+            "basic_auth": {
+              "username": "loki-sa",
+              "password": https://nixos.wiki/wiki/Comparison_of_secret_managing_schemes
+            }
+          }
+        ],
+        "scrape_configs": [
+          {
+            "job_name": "system",
+            "static_configs": [
+              {
+                "targets": [
+                  "localhost"
+                ],
+                "labels": {
+                  "job": "varlogs",
+                  "__path__": "/host/var/log/*.log"
+                }
+              }
+            ],
+            "pipeline_stages": [
+              {
+                "static_labels": {
+                  "host": "nixos-p1"
+                }
+              }
+            ]
+          },
+          {
+            "job_name": "secure",
+            "static_configs": [
+              {
+                "targets": [
+                  "localhost"
+                ],
+                "labels": {
+                  "job": "varlogs",
+                  "__path__": "/host/var/log/secure"
+                }
+              }
+            ],
+            "pipeline_stages": [
+              {
+                "static_labels": {
+                  "host": "nixos-p1"
+                }
+              }
+            ]
+          }
+        ]
+      }
+    };
+  };
+}

laptop/secureboot.nix

@@ -0,0 +1,48 @@
+{
+  description = "A SecureBoot-enabled NixOS configurations";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+    lanzaboote = {
+      url = "github:nix-community/lanzaboote";
+
+      # Optional but recommended to limit the size of your system closure.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, lanzaboote, ...}: {
+    nixosConfigurations = {
+      yourHost = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+
+        modules = [
+          # This is not a complete NixOS configuration and you need to reference
+          # your normal configuration here.
+
+          lanzaboote.nixosModules.lanzaboote
+
+          ({ pkgs, lib, ... }: {
+
+            environment.systemPackages = [
+              # For debugging and troubleshooting Secure Boot.
+              pkgs.sbctl
+            ];
+
+            # Lanzaboote currently replaces the systemd-boot module.
+            # This setting is usually set to true in configuration.nix
+            # generated at installation time. So we force it to false
+            # for now.
+            boot.loader.systemd-boot.enable = lib.mkForce false;
+
+            boot.lanzaboote = {
+              enable = true;
+              pkiBundle = "/etc/secureboot";
+            };
+          })
+        ];
+      };
+    };
+  };
+}