Izmjenjena struktura, dodan backand

web/node_modules/macaddress/lib/linux.js

@@ -0,0 +1,11 @@
+var exec = require('child_process').exec;
+
+module.exports = function (iface, callback) {
+    exec("cat /sys/class/net/" + iface + "/address", function (err, out) {
+        if (err) {
+            callback(err, null);
+            return;
+        }
+        callback(null, out.trim().toLowerCase());
+    });
+};