Published at LXer:

What is the D-Bus? From the D-Bus documentation: "D-Bus is an inter-process communication mechanism—a medium for local communication between processes running on the same host. (Inter-host connects may be added in the future, but that is not what D-Bus is meant for). D-Bus is meant to be fast and lightweight, and is designed for use as a unified middleware layer underneath the main free desktop environments" So for the non technically inclined (why are you reading this anyway) ;) basically a simple way to think of D-Bus, is that it's a way for processes on an operating system to communicate with each other. That's probably a simple and non accurate enough wording, but it should help grasp the concept. Many utilities nowadays are implementing D-Bus connectivity. It is especially interesting (well for me anyway) to script some GUI elements like for example my KDE-4 desktop from the command line. This would help automate some tasks and is cool anyways. Let's see how to begin talking on the D-Bus

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