diff --git a/list-nix-store.sh b/list-nix-store.sh
new file mode 100755
index 0000000..1a78156
--- /dev/null
+++ b/list-nix-store.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Small utility to replace `nix path-info --all`
+set -euo pipefail
+
+for file in /nix/store/*; do
+  case "$file" in
+  *.drv)
+    # Avoid .drv as they are not generally useful
+    continue
+    ;;
+  *.drv.chroot)
+    # Avoid .drv.chroot as they are not generally useful
+    continue
+    ;;
+  *.check)
+    # Skip .check file produced by --keep-failed
+    continue
+    ;;
+  *.lock)
+    # Skip .lock files
+    continue
+    ;;
+  *)
+    echo "$file"
+    ;;
+  esac
+done
diff --git a/nixos/hosts/olympus/wireguard/configuration.nix b/nixos/hosts/olympus/wireguard/configuration.nix
index 36b4175..f2c8364 100644
--- a/nixos/hosts/olympus/wireguard/configuration.nix
+++ b/nixos/hosts/olympus/wireguard/configuration.nix
@@ -60,6 +60,14 @@ let vs = config.vault-secrets.secrets; in
         publicKey = "L8myt2bcdja7M+i+9eatdQRW8relPUoZZ9lEKSLe+m8=";
         allowedIPs = [ "10.100.0.4/32" ];
       }
+      {
+        # Aerdenhout
+        # Useful setup video for opnsense: https://www.youtube.com/watch?v=RoXHe5dqCM0
+        # https://docs.opnsense.org/manual/how-tos/wireguard-s2s.html
+        publicKey = "KgqLhmUMX6kyTjRoa/GOCrZOvXNE5HWYuOr/T3v8/VI=";
+        allowedIPs = [ "10.100.0.5/32" "192.168.0.0/23" "10.10.10.0/24"];
+        endpoint = "80.60.83.220:51820";
+      }
     ];
   };
 }