diff --git a/systems/renko.nix b/systems/renko.nix
index 9153a5b7..10798170 100644
--- a/systems/renko.nix
+++ b/systems/renko.nix
@@ -40,6 +40,8 @@ _: let
 
     nixpkgs.hostPlatform = mkDefault "aarch64-linux";
 
+    boot.kernelPackages = pkgs.linuxKernel.kernels.linux_6_3
+
     system.stateVersion = "22.11";
 
     security.sudo.extraRules = [
diff --git a/systems/sumireko.nix b/systems/sumireko.nix
index a4730e9b..777cd3a6 100644
--- a/systems/sumireko.nix
+++ b/systems/sumireko.nix
@@ -17,22 +17,24 @@ _: let
     home-manager.users.root.programs.ssh = {
       enable = true;
       extraConfig = ''
-        Host renko
+        Host orb
           HostName 127.0.0.1
           Port 32222
-          User kat
+          User default
           IdentityFile /Users/kat/.orbstack/ssh/id_ed25519
+          ProxyCommand env HOME=/Users/kat '/Applications/OrbStack.app/Contents/Frameworks/OrbStack Helper (VM).app/Contents/MacOS/OrbStack Helper (VM)' ssh-proxy-fdpass
+          ProxyUseFdpass yes
       '';
     };
 
     nix.buildMachines = [
       {
-        hostName = "renko";
+        hostName = "nixos@orb";
         system = "aarch64-linux";
         supportedFeatures = ["nixos-test" "benchmark" "big-parallel" "kvm"];
       }
       {
-        hostName = "renko";
+        hostName = "nixos@orb";
         system = "x86_64-linux";
         supportedFeatures = ["nixos-test" "benchmark" "big-parallel" "kvm"];
       }
@@ -75,11 +77,13 @@ _: let
         ssh = {
           enable = true;
           extraConfig = ''
-            Host renko
+            Host orb
               HostName 127.0.0.1
               Port 32222
-              User kat
+              User default
               IdentityFile /Users/kat/.orbstack/ssh/id_ed25519
+              ProxyCommand env HOME=/Users/kat '/Applications/OrbStack.app/Contents/Frameworks/OrbStack Helper (VM).app/Contents/MacOS/OrbStack Helper (VM)' ssh-proxy-fdpass
+              ProxyUseFdpass yes
           '';
         };
       };