Bridge between Upstart and D-Bus


upstart-dbus-bridge [OPTIONS]...


upstart-dbus-bridge receives information about D-Bus signals and creates init(8) events for them.

With no options, monitors signals on the D-Bus system bus and emits an Upstart event called dbus via a D-Bus system bus connection to Upstart.

When run with --user, monitors signals on the users D-Bus session bus and emits Upstart events via the private D-Bus connection to the users Session Init.

See dbus-daemon(1) and for further details.



Always emit events on receipt of D-Bus signal regardless of whether jobs care about them.


Detach and run in the background.


Enable debugging output.


Show brief usage summary.


Monitor signals on the D-Bus session bus.


Monitor signals on the D-Bus system bus.


User-session mode: connect to Upstart via the user session rather than over the D-Bus system bus.


Set a name for the bus to be passed as an additional argument to the event under the property BUS. Used to distinguish multiple D-Bus bridges.


Enable verbose output.


D-Bus signals emitted by Upstart itself are ignored.


Report bugs at <>


Copyright © 2013 Canonical Ltd.

This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


dbus-daemon(1) dbus-event(7) init(5) init(8)


Written by James Hunt <>

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