From b7d5ec11ad32894c243a32de6afa6e0b495628e5 Mon Sep 17 00:00:00 2001
From: Gene Liverman <gene@technicalissues.us>
Date: Wed, 24 Sep 2025 10:52:35 -0400
Subject: [PATCH 1/2] Define remote builder

---
 modules/hosts/nixos/kiosk-gene-desk/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/modules/hosts/nixos/kiosk-gene-desk/default.nix b/modules/hosts/nixos/kiosk-gene-desk/default.nix
index 58cf555..82daaee 100644
--- a/modules/hosts/nixos/kiosk-gene-desk/default.nix
+++ b/modules/hosts/nixos/kiosk-gene-desk/default.nix
@@ -41,6 +41,15 @@
     };
   };
 
+  nix.buildMachines = [
+    {
+      hostName = "hetznix02.technicalissues.us";
+      sshUser = "${username}";
+      protocol = "ssh-ng";
+      systems = ["aarch64-linux"];
+    }
+  ];
+
   nixpkgs.overlays = [
     (final: super: {
       makeModulesClosure = x:

From f417c8a7059cc128c21434106a904f480c351a9d Mon Sep 17 00:00:00 2001
From: Gene Liverman <gene@technicalissues.us>
Date: Wed, 24 Sep 2025 12:53:56 -0400
Subject: [PATCH 2/2] Configure and use a remote builder for my Pi

---
 .../hosts/nixos/kiosk-gene-desk/default.nix   | 22 ++++++++++++-------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/modules/hosts/nixos/kiosk-gene-desk/default.nix b/modules/hosts/nixos/kiosk-gene-desk/default.nix
index 82daaee..c5f55da 100644
--- a/modules/hosts/nixos/kiosk-gene-desk/default.nix
+++ b/modules/hosts/nixos/kiosk-gene-desk/default.nix
@@ -41,14 +41,20 @@
     };
   };
 
-  nix.buildMachines = [
-    {
-      hostName = "hetznix02.technicalissues.us";
-      sshUser = "${username}";
-      protocol = "ssh-ng";
-      systems = ["aarch64-linux"];
-    }
-  ];
+  nix = {
+    buildMachines = [
+      {
+        hostName = "hetznix02.technicalissues.us";
+        sshUser = "${username}";
+        sshKey = "/home/${username}/id_ed25519";
+        protocol = "ssh-ng";
+        systems = ["aarch64-linux"];
+        maxJobs = 3;
+        speedFactor = 3;
+      }
+    ];
+    distributedBuilds = true;
+  };
 
   nixpkgs.overlays = [
     (final: super: {