On Tue, 2005-04-26 at 12:49 +0100, Donal Farrell wrote: > Simon, I know nothing of HAL or DBUS, where in the BLFS book does it > mention these?
Right now, they're not in it - they're optional packages that Gnome can make use of if they're present. From what Randy's saying, it looks like they'll be in the next version of the book. HAL ties together some hardware management issues - e.g monitoring hardware events (e.g a new device, or a change in network status), and configuring hardware appropriately, possibly notifying the user. For example, plugging in a memory stick, mounting it, and open a file manager window to browse it. And DBUS is a messaging system which HAL uses to communicate between the components, e.g the hal daemon notifying a manager program on the users desktop (like gnome-volume-manager) that something has happened. They've both been under development for ages, but it's only in the last six months or so that they've stabilised enough that distros have been including them. If you want to read about them and other related projects, have a look on freedesktop.org Simon.
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