Update deps

flake.lock

@@ -356,11 +356,11 @@
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1706440623,
-        "narHash": "sha256-MzqsevUkrIVpAbbN7Wn3mGlYklkm2geaozGTFxtnYgA=",
+        "lastModified": 1706472015,
+        "narHash": "sha256-SkBuhrn0o7g/FqRBxrqRqgjFObO9cxK1r1Tq2DfAIkg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "50071d87c75300c037e28439c5176c3933b9fce5",
+        "rev": "48f6e0d2866ef7168f42f30ed9601c70fdc49899",
         "type": "github"
       },
       "original": {
@@ -372,11 +372,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706367331,
-        "narHash": "sha256-AqgkGHRrI6h/8FWuVbnkfFmXr4Bqsr4fV23aISqj/xg=",
+        "lastModified": 1706487304,
+        "narHash": "sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "160b762eda6d139ac10ae081f8f78d640dd523eb",
+        "rev": "90f456026d284c22b3e3497be980b2e47d0b28ac",
         "type": "github"
       },
       "original": {

system/hosts/argon.nix

@@ -23,6 +23,8 @@ in
 
     ../nixos/attic.nix
 
+    ../nixos/chrony.nix
+
     (import ../nixos/forgejo-runner.nix (args // { name = "argon"; tag = "ubuntu-latest-arm64"; nixTag = "arm64"; }))
 
     ../nixos/grafana.nix

system/nixos/chrony.nix

@@ -7,8 +7,14 @@
     servers = [
       "ptbtime1.ptb.de"
       "ptbtime2.ptb.de"
-      "time.cloudflare.com"
+      "ptbtime3.ptb.de"
+      "ntp1.rwth-aachen.de"
+      "ntp2.rwth-aachen.de"
+      "ntp3.rwth-aachen.de"
       "ntp1.hetzner.de"
+      "ntp2.hetzner.de"
+      "ntp3.hetzner.de"
+      "time.cloudflare.com"
     ];
 
     extraConfig = ''
@@ -18,11 +24,9 @@
     '';
   };
 
-  systemd.services.chronyd = {
-    after = lib.mkForce [ "network-online.target" "nss-lookup.target" ];
-  };
+  services.timesyncd.enable = lib.mkForce false;
 
-  networking.firewall.interfaces."end0" = {
+  networking.firewall = {
     allowedUDPPorts = [ 123 ];
     allowedTCPPorts = [ 123 ];
   };