flake.lock: Update

Flake lock file updates:

• Updated input 'agenix':
    'github:ryantm/agenix/1381a759b205dff7a6818733118d02253340fd5e' (2024-04-02)
  → 'github:ryantm/agenix/de96bd907d5fbc3b14fc33ad37d1b9a3cb15edc6' (2024-07-09)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/6143fc5eeb9c4f00163267708e26191d1e918932' (2024-04-21)
  → 'github:NixOS/nixpkgs/693bc46d169f5af9c992095736e82c3488bf7dbb' (2024-07-14)

flake.lock

@@ -10,11 +10,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1712079060,
+        "lastModified": 1720546205,
-        "narHash": "sha256-/JdiT9t+zzjChc5qQiF+jhrVhRt8figYH29rZO7pFe4=",
+        "narHash": "sha256-boCXsjYVxDviyzoEyAk624600f3ZBo/DKtUdvMTpbGY=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "1381a759b205dff7a6818733118d02253340fd5e",
+        "rev": "de96bd907d5fbc3b14fc33ad37d1b9a3cb15edc6",
         "type": "github"
       },
       "original": {
@@ -88,11 +88,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1713714899,
+        "lastModified": 1720957393,
-        "narHash": "sha256-+z/XjO3QJs5rLE5UOf015gdVauVRQd2vZtsFkaXBq2Y=",
+        "narHash": "sha256-oedh2RwpjEa+TNxhg5Je9Ch6d3W1NKi7DbRO1ziHemA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6143fc5eeb9c4f00163267708e26191d1e918932",
+        "rev": "693bc46d169f5af9c992095736e82c3488bf7dbb",
         "type": "github"
       },
       "original": {

m/common/base/boot.nix

@@ -19,6 +19,10 @@
 
   boot.kernel.sysctl = {
     "kernel.perf_event_paranoid" = lib.mkDefault "-1";
+
+    # Allow ptracing (i.e. attach with GDB) any process of the same user, see:
+    # https://www.kernel.org/doc/Documentation/security/Yama.txt
+    "kernel.yama.ptrace_scope" = "0";
   };
 
   boot.kernelPackages = pkgs.linuxPackages_latest;

m/common/base/ssh.nix

@@ -12,7 +12,7 @@ in
   programs.ssh.extraConfig = ''
     Host bscpm02.bsc.es bscpm03.bsc.es gitlab-internal.bsc.es alya.gitlab.bsc.es
       User git
-      ProxyCommand nc -X connect -x localhost:23080 %h %p
+      ProxyCommand nc -X connect -x hut:23080 %h %p
   '';
 
   programs.ssh.knownHosts = hostsKeys // {

m/common/base/users.nix

@@ -55,7 +55,7 @@
         home = "/home/Computational/rpenacob";
         description = "Raúl Peñacoba";
         group = "Computational";
-        hosts = [ "hut" ];
+        hosts = [ "owl1" "owl2" "hut" ];
         hashedPassword = "$6$TZm3bDIFyPrMhj1E$uEDXoYYd1z2Wd5mMPfh3DZAjP7ztVjJ4ezIcn82C0ImqafPA.AnTmcVftHEzLB3tbe2O4SxDyPSDEQgJ4GOtj/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFYfXg37mauGeurqsLpedgA2XQ9d4Nm0ZGo/hI1f7wwH rpenacob@bsc"
@@ -75,6 +75,19 @@
         ];
       };
 
+      abonerib = {
+        uid = 4541;
+        isNormalUser = true;
+        home = "/home/Computational/abonerib";
+        description = "Aleix Boné";
+        group = "Computational";
+        hosts = [ "owl1" "owl2" "hut" "raccoon" ];
+        hashedPassword = "$6$V1EQWJr474whv7XJ$OfJ0wueM2l.dgiJiiah0Tip9ITcJ7S7qDvtSycsiQ43QBFyP4lU0e0HaXWps85nqB4TypttYR4hNLoz3bz662/";
+        openssh.authorizedKeys.keys = [
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIIFiqXqt88VuUfyANkZyLJNiuroIITaGlOOTMhVDKjf abonerib@bsc"
+        ];
+      };
+
       vlopez = {
         uid = 4334;
         isNormalUser = true;

m/common/xeon/net.nix

@@ -10,7 +10,7 @@
     nameservers = ["8.8.8.8"];
 
     proxy = {
-      default = "http://localhost:23080/";
+      default = "http://hut:23080/";
       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

m/hut/configuration.nix

@@ -34,5 +34,15 @@
       address = "10.0.42.7";
       prefixLength = 24;
     } ];
+    firewall = {
+      extraCommands = ''
+        # Accept all proxy traffic from compute nodes but not the login
+        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
+      '';
+    };
   };
+
+  # Allow proxy to bind to the ethernet interface
+  services.openssh.settings.GatewayPorts = "clientspecified";
 }