Add documentation section with commands to query the cache

m/common/xeon/net.nix

@@ -11,7 +11,7 @@
 
     proxy = {
       default = "http://hut:23080/";
-      noProxy = "127.0.0.1,localhost,internal.domain,10.0.40.40,hut";
+      noProxy = "127.0.0.1,localhost,internal.domain,10.0.40.40";
       # Don't set all_proxy as go complains and breaks the gitlab runner, see:
       # https://github.com/golang/go/issues/16715
       allProxy = null;

m/hut/configuration.nix

@@ -56,11 +56,6 @@
         iptables -A nixos-fw -p tcp -s 10.0.40.30 --dport 23080 -j nixos-fw-log-refuse
         iptables -A nixos-fw -p tcp -s 10.0.40.0/24 --dport 23080 -j nixos-fw-accept
       '';
-      # Flush all rules and chains on stop so it won't break on start
-      extraStopCommands = ''
-        iptables -F
-        iptables -X
-      '';
     };
   };
 

m/hut/nginx.nix

@@ -17,14 +17,13 @@ let
   };
 in
 {
-  networking.firewall.allowedTCPPorts = [ 80 ];
   services.nginx = {
     enable = true;
     virtualHosts."jungle.bsc.es" = {
       root = "${website}";
       listen = [
         {
-          addr = "0.0.0.0";
+          addr = "127.0.0.1";
           port = 80;
         }
       ];

m/module/hut-substituter.nix

@@ -4,7 +4,7 @@
     # Don't add hut as a cache to itself
     assert config.networking.hostName != "hut";
     {
-      substituters = [ "http://hut/cache" ];
+      substituters = [ "https://jungle.bsc.es/cache" ];
       trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
     };
 }

m/raccoon/configuration.nix

@@ -3,6 +3,7 @@
 {
   imports = [
     ../common/base.nix
+    ../module/hut-substituter.nix
   ];
 
   # Don't install Grub on the disk yet
@@ -25,11 +26,6 @@
     } ];
   };
 
-  nix.settings = {
-    substituters = [ "https://jungle.bsc.es/cache" ];
-    trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
-  };
-
   # Configure Nvidia driver to use with CUDA
   hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.production;
   hardware.graphics.enable = true;

web/content/hut/_index.md

@@ -57,7 +57,7 @@ Note: you'll have to be a trusted user.
 
 ### Nix configuration file (non-nixos)
 
-If using nix outside of NixOS, you'll have to update `/etc/nix/nix.conf`
+If using nix outside of NixOS, you'll have to update `nix.conf`
 
 ```
 # echo "substituters = https://jungle.bsc.es/cache" >> /etc/nix/nix.conf