Enable nix-ld in weasel

Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

m/common/base/users.nix

@@ -154,6 +154,20 @@
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIV5LEAII5rfe1hYqDYIIrhb1gOw7RcS1p2mhOTqG+zc pedro@pedro-ThinkPad-P14s-Gen-2a"
         ];
       };
+
+      csiringo = {
+        # Arbitrary UID but large so it doesn't collide with other users on ssfhead.
+        uid = 9653;
+        isNormalUser = true;
+        home = "/home/Computational/csiringo";
+        description = "Cesare Siringo";
+        group = "Computational";
+        hosts = [ "apex" "weasel" ];
+        hashedPassword = "$6$0IsZlju8jFukLlAw$VKm0FUXbS.mVmPm3rcJeizTNU4IM5Nmmy21BvzFL.cQwvlGwFI1YWRQm6gsbd4nbg47mPDvYkr/ar0SlgF6GO1";
+        openssh.authorizedKeys.keys = [
+          "sh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHA65zvvG50iuFEMf+guRwZB65jlGXfGLF4HO+THFaed csiringo@bsc.es"
+        ];
+      };
     };
 
     groups = {

m/fox/configuration.nix

@@ -35,6 +35,16 @@
 
   services.openssh.settings.X11Forwarding = true;
 
+  # Use SSH tunnel to reach internal hosts
+  programs.ssh.extraConfig = ''
+    Host bscpm04.bsc.es gitlab-internal.bsc.es tent
+      ProxyJump raccoon
+    Host raccoon
+      ProxyJump apex
+      HostName 127.0.0.1
+      Port 22022
+  '';
+
   networking = {
     timeServers = [ "ntp1.upc.edu" "ntp2.upc.edu" ];
     hostName = "fox";

m/weasel/configuration.nix

@@ -14,6 +14,10 @@
   # Users with sudo access
   users.groups.wheel.members = [ "abonerib" "anavarro" ];
 
+  # Run julia installed with juliaup using julia's own libraries:
+  # NIX_LD_LIBRARY_PATH=~/.julia/juliaup/${VERS}/lib/julia ~/.juliaup/bin/julia
+  programs.nix-ld.enable = true;
+
   networking = {
     hostName = "weasel";
     interfaces.eno1.ipv4.addresses = [ {