Add drafts

_drafts/centralized-logging-and-metrics-on-nixos.md

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+---
+layout: post
+title: 'Centralized Logging and Metrics with the Grafana stack on NixOS'
+# date: 2024-02-13 18:49 -0800
+tags:
+- nixos
+- grafana
+- loki
+- mimir
+- prometheus
+---
+At this point, I’m hosting a small fleet of systems, which are collectively hosting a fair amount of services.  These services all generate logs, which is great. However

_drafts/dark-mode-config-in-nix.md

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+---
+layout: post
+title: 'Dark Mode config with dmn in Nix'
+# date: 2023-12-19 09:00 -0800
+tags:
+- nix
+- nix-darwin
+- home-manager
+- macos
+- dmn
+---
+Last year, I finally published (nearly seven months after I got it working) [the details of `dmn`, my dark-mode-notifier program]({% post_url 2023-08-22-terminal-apps-respecting-system-dark-mode %}) that allows you to write scripts adding dark mode support to arbitrary programs. Over the past month, I've been converting `dmn` to a Nix-based project, and configuring it via nix-darwin/home-manager. Here's how that process went, and the current state of `dmn`/how you could use it in your Nix config, if you so desire.
+
+### pre-nixification: a recap
+
+describe the state of dmn as it was at the end of my last blog post, before commit `617660f49455a465e078ea2734c8441c0a5b3986` in my nixos config
+
+### initial Nixification
+
+#### getting dmn running via Nix
+
+#### providing a nix-darwin module
+
+###?# moving scripts into nix-darwin
+
+#### the first three (easy)
+
+#### nvim-ctrl
+
+### dmn runs as root
+
+explain that despite being in /Library/LaunchAgents, dmn ran as root anyway (discovered bc of TMPDIR shenanigans with nvim-ctrl), so I moved it to launchd.user.agents
+
+### moving to home-manager
+
+### how you can set this up yourself
+
+flake only
+
+Start by adding the `dmn` flake as an input to your config: in `flake.nix`, add this block to the `inputs` section:
+```nix
+dmn = {
+  url = "github:Samasaur1/dmn";
+  inputs.nixpkgs.follows = "nixpkgs";
+};
+```
+
+Next, we'll add `inputs.dmn.homeManagerModules.default` to your home-manager configuration. There are many ways to do this, but the way I do it is to ensure that you have your flake inputs in the `extraSpecialArgs` to your home-manager config, and then to add `inputs.dmn.homeManagerModules.default` to the `imports` section of some file in your home-manager config. For example, here's how I declare a home-manager configuration in my `flake.nix`:
+```nix
+"sam@aarch64-darwin" = home-manager.lib.homeManagerConfiguration {
+  modules = [
+    ./home
+  ];
+  pkgs = import nixpkgs {
+    system = "aarch64-darwin";
+    config.allowUnfree = true;
+  };
+  extraSpecialArgs = { inherit inputs; };
+};
+```
+and then in `./home/default.nix`, I have:
+```nix
+{ inputs, ... }:
+{
+  imports = [
+    inputs.dmn.homeManagerModules.default
+  ];
+}
+```
+
+Now that we've imported the dmn module, we can set `services.dmn` (though of course only on Darwin). Here's a minimal example:
+```nix
+services.dmn = {
+  enable = true;
+  commands = [
+    { executable = "/usr/bin/say"; arguments = [ "Now switching to {} mode" ]; }
+  ];
+};
+```
+which will announce whenever your computer shifts between light and dark mode.
+
+Put together, here is a totally minimal `flake.nix` with dmn configured via home-manager:
+```nix
+{
+  description = "Minimal dmn example";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    dmn = {
+      url = "github:Samasaur1/dmn";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+  outputs = inputs@{ self, nixpkgs, home-manager, dmn, ... }: {
+    homeConfigurations."minimal" = home-manager.lib.homeManagerConfiguration {
+      modules = [
+        dmn.homeManagerModules.default
+        ({ ... }: {
+          services.dmn = {
+            enable = true;
+            commands = [ { executable = "/usr/bin/say"; arguments = [ "Now switching to {} mode" ]; } ];
+          };
+        })
+      ];
+      pkgs = import nixpkgs {
+        system = "aarch64-darwin";
+      };
+    };
+  };
+}
+```

_drafts/til/emgithub.md

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+---
+layout: til
+---
+
+You know how you can embed GitHub Gists easily into any site? With some neat third-party tools, you can do it for any GitHub file, just like in issues and PRs.
+
+<script src="https://emgithub.com/embed-v2.js?target=https%3A%2F%2Fgithub.com%2FSamasaur1%2Fsamasaur1.github.io%2Fblob%2Fmain%2F_posts%2Ftil%2Femgithub.md%23L7&style=default&type=markdown&showBorder=on&showLineNumbers=on&showFileMeta=on&showFullPath=on&showCopy=on"></script>