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# Trigger DBus Desktop Notifications via WAMP
This example shows how to bridge WAMP and DBus.
The example allows to trigger Linux desktop notifications by publishing to a WAMP topic. This allows
to show Linux desktop notifications on any number of Linux desktops. Kind of alert system.
> Note: For DBus support, we will use [txdbus](https://github.com/cocagne/txdbus), a native
Python DBus binding for Twisted which does not depend on the glib reactor or libdbus Python bindings.
## Prerequisites
You'll need **txdbus** installed:
pip install txdbus
## Running on a single Host
Run the bridge with an embedded WAMP router
python bridge.py
and open
http://localhost:8080/
in your browser.
## Running on multiples Hosts
On each host, start the bridge connecting to a central WAMP router
python bridge.py --router ws://myrouter.com
and open
http://localhost:8080/
in your browser on *any* host to send a notification that will pop up on *all* hosts.
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