D-Bus

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Reason: Mention disabling of dbus services through use of systemctl mask and overrides in /etc/dbus-1/services (Discuss in Talk:D-Bus#)

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D-Bus is a message bus system that provides an easy way for inter-process communication. It consists of a daemon, which can be run both system-wide and for each user session, and a set of libraries to allow applications to use D-Bus.

Installation

D-Bus is enabled automatically when using systemd because dbus is a dependency of systemd.

Starting the user session

gnome-session, startkde and startxfce4 will start a D-Bus session automatically if one is not already running.

For desktop or window managers which don't start D-Bus session by themselves, make sure you start it in your ~/.xinitrc, for example by sourcing /etc/X11/xinit/xinitrc.d/30-dbus.sh as described in xinitrc.

Debugging

d-feet is an easy to use D-Bus debugger GUI tool. D-Feet can be used to inspect D-Bus interfaces of running programs and invoke methods on those interfaces. See its homepage for more info.

See also