diff --git a/m/common/base/ssh.nix b/m/common/base/ssh.nix
index b5310762..92c2c70d 100644
--- a/m/common/base/ssh.nix
+++ b/m/common/base/ssh.nix
@@ -13,10 +13,6 @@ in
     Host bscpm02.bsc.es bscpm03.bsc.es bscpm04.bsc.es gitlab-internal.bsc.es alya.gitlab.bsc.es
       User git
       ProxyCommand nc -X connect -x hut:23080 %h %p
-
-    # Connect to BSC machines via hut proxy too
-    Host amdlogin1.bsc.es armlogin1.bsc.es hualogin1.bsc.es glogin1.bsc.es glogin2.bsc.es fpgalogin1.bsc.es
-      ProxyCommand nc -X connect -x hut:23080 %h %p
   '';
 
   programs.ssh.knownHosts = hostsKeys // {
diff --git a/m/common/base/users.nix b/m/common/base/users.nix
index 229be8c7..8e2ca80b 100644
--- a/m/common/base/users.nix
+++ b/m/common/base/users.nix
@@ -20,6 +20,7 @@
       rarias = {
         uid = 1880;
         isNormalUser = true;
+        linger = true;
         home = "/home/Computational/rarias";
         description = "Rodrigo Arias";
         group = "Computational";
@@ -39,7 +40,7 @@
         home = "/home/Computational/arocanon";
         description = "Aleix Roca";
         group = "Computational";
-        extraGroups = [ "wheel" ];
+        extraGroups = [ "wheel" "tracing" ];
         hashedPassword = "$6$hliZiW4tULC/tH7p$pqZarwJkNZ7vS0G5llWQKx08UFG9DxDYgad7jplMD8WkZh5k58i4dfPoWtnEShfjTO6JHiIin05ny5lmSXzGM/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF3zeB5KSimMBAjvzsp1GCkepVaquVZGPYwRIzyzaCba aleix@bsc"
@@ -107,7 +108,7 @@
         home = "/home/Computational/dbautist";
         description = "Dylan Bautista Cases";
         group = "Computational";
-        hosts = [ "hut" ];
+        hosts = [ "hut" "raccoon" ];
         hashedPassword = "$6$a2lpzMRVkG9nSgIm$12G6.ka0sFX1YimqJkBAjbvhRKZ.Hl090B27pdbnQOW0wzyxVWySWhyDDCILjQELky.HKYl9gqOeVXW49nW7q/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAb+EQBoS98zrCwnGKkHKwMLdYABMTqv7q9E0+T0QmkS dbautist@bsc-848818791"
@@ -143,6 +144,7 @@
 
     groups = {
       Computational = { gid = 564; };
+      tracing = { };
     };
   };
 }
diff --git a/m/common/xeon.nix b/m/common/xeon.nix
index 30cf73c3..146e018c 100644
--- a/m/common/xeon.nix
+++ b/m/common/xeon.nix
@@ -2,8 +2,9 @@
   # Provides the base system for a xeon node.
   imports = [
     ./base.nix
-    ./xeon/fs.nix
     ./xeon/console.nix
+    ./xeon/fs.nix
     ./xeon/net.nix
+    ./xeon/ssh.nix
   ];
 }
diff --git a/m/common/xeon/ssh.nix b/m/common/xeon/ssh.nix
new file mode 100644
index 00000000..86978f97
--- /dev/null
+++ b/m/common/xeon/ssh.nix
@@ -0,0 +1,8 @@
+{
+  # Connect to intranet git hosts via proxy
+  programs.ssh.extraConfig = ''
+    # Connect to BSC machines via hut proxy too
+    Host amdlogin1.bsc.es armlogin1.bsc.es hualogin1.bsc.es glogin1.bsc.es glogin2.bsc.es fpgalogin1.bsc.es
+      ProxyCommand nc -X connect -x hut:23080 %h %p
+  '';
+}
diff --git a/m/raccoon/configuration.nix b/m/raccoon/configuration.nix
index dd15a82b..2482a164 100644
--- a/m/raccoon/configuration.nix
+++ b/m/raccoon/configuration.nix
@@ -3,6 +3,9 @@
 {
   imports = [
     ../common/base.nix
+    ../module/emulation.nix
+    ../module/debuginfod.nix
+    ../eudy/kernel/perf.nix
   ];
 
   # Don't install Grub on the disk yet
@@ -30,6 +33,9 @@
     trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
   };
 
+  # Enable performance governor
+  powerManagement.cpuFreqGovernor = "performance";
+
   # Configure Nvidia driver to use with CUDA
   hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.production;
   hardware.graphics.enable = true;
@@ -37,6 +43,18 @@
   nixpkgs.config.nvidia.acceptLicense = true;
   services.xserver.videoDrivers = [ "nvidia" ];
 
+  # Disable garbage collection for now
+  nix.gc.automatic = lib.mkForce false;
+
+  services.openssh.settings.X11Forwarding = true;
+
+  services.prometheus.exporters.node = {
+    enable = true;
+    enabledCollectors = [ "systemd" ];
+    port = 9002;
+    listenAddress = "127.0.0.1";
+  };
+
   users.motd = ''
     ⠀⠀⠀⠀⠀⠀⠀⣀⣀⣄⣠⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
     ⠀⠀⠀⠀⠀⠀⢰⠇⡀⠀⠙⠻⡿⣦⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠀⠀⠀⠀