phase-1: validate Secrix, fix deprecated xserver and devShell warnings

- Secrix recipients validated (crash user, crash-over-burn-1 host)
- services.xserver.layout → services.xserver.xkb.layout
- devShell.x86_64-linux → devShells.x86_64-linux.default

1 files changed, 1 insertions, 1 deletions

diff --git a/openstack.nix b/openstack.nix
index 3af4393..d052d9a 100644
--- a/openstack.nix
+++ b/openstack.nix
@@ -26,6 +26,6 @@
   networking.firewall.allowedUDPPorts = [ ];
 
   # Configure keymap in X11
-  services.xserver.layout = "gb";
+  services.xserver.xkb.layout = "gb";
   system.stateVersion = "22.11";
 }