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diff --git a/examples/ruby/add-connection.rb b/examples/ruby/add-connection.rb
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+#!/usr/bin/env ruby
+# vim: ft=ruby ts=2 sts=2 sw=2 et ai
+# -*- Mode: ruby; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2011 Red Hat, Inc.
+#
+
+require 'dbus'
+require 'ipaddr'
+
+#
+# This example adds a new ethernet connection via Addconnection() D-Bus call.
+# It also shows how to specify D-Bus signature for properties like "addresses"
+# and "clone-mac-address".
+#
+# Configuration settings are described here:
+# http://projects.gnome.org/NetworkManager/developers/api/09/ref-settings.html
+#
+
+# Helper functions
+def ip_to_int(ip_addr)
+  return IPAddr.new(ip_addr).hton.unpack('L').first
+end
+
+def rand_hex_3(l)
+  "%0#{l}x" % rand(1 << l*4)
+end
+
+def rand_uuid
+  [8,4,4,4,12].map {|n| rand_hex_3(n)}.join('-')
+end
+
+
+# Create new connection settings
+s_con = {
+  "type" => "802-3-ethernet",
+  "uuid"=> rand_uuid,
+  "id" => "__MyConnection__"
+}
+
+s_wired = { "cloned-mac-address" => ["ay", [0x00, 0x22, 0x68, 0x01, 0x02, 0x03]]}
+
+ip1 = ip_to_int("192.168.1.12")
+ip2 = ip_to_int("192.168.1.13")
+gw1 = ip_to_int("192.168.1.1")
+ip3 = ip_to_int("10.0.2.5")
+gw2 = ip_to_int("10.0.2.254")
+dns1 = ip_to_int("8.8.8.8")
+dns2 = ip_to_int("8.8.4.4")
+
+s_ip4 = {
+  "addresses"=> ["aau", [[ip1, 24, gw1], [ip2, 24, gw1], [ip3, 24, gw2]]],
+  "method"=>["s", "manual"],
+  "dns"=> ["au", [dns1, dns2]]
+}
+s_ip6 = {"method" => "ignore"}
+
+con = {
+  "802-3-ethernet" => s_wired,
+  "connection" => s_con,
+  "ipv4" => s_ip4,
+  "ipv6" => s_ip6
+}
+
+system_bus = DBus::SystemBus.instance
+nm = system_bus.service("org.freedesktop.NetworkManager").object("/org/freedesktop/NetworkManager/Settings")
+nm.introspect
+settings_iface = nm["org.freedesktop.NetworkManager.Settings"]
+
+ret = settings_iface.AddConnection(con)
+puts "New connection added: #{ret.first}"
+