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X11R7.4 - man page for hald (x11r4 section 8)

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HALD(8) 										  HALD(8)

       hald - HAL daemon

       hald [options]

       hald  is  a daemon that maintains a database of the devices connected to the system system
       in real-time. The daemon connects to the D-Bus system message bus to provide an	API  that
       applications  can  use  to  discover,  monitor  and invoke operations on devices. For more
       information about both the big picture and specific API details, refer  to  the	HAL  spec
       which can be found in /usr/local/share/doc/hal/spec/hal-spec.html depending on the distri-

       The following options are supported:

	      Specify whether to run in the foreground or the background.

	      Enable verbose debug output.

	      Enable logging of debug output to the syslog instead of  stderr.	Use  this  option
	      only together with --verbose.

       --help Print out usage.

	      Print the version of the daemon and exit.

       Please  send  bug  reports  to  either  the  distribution  or  the  HAL	mailing list, see
       http://lists.freedesktop.org/mailman/listinfo/hal on how to subscribe.

       First, to obtain useful debug traces you will need to have debuginfo  packages  installed.
       On  a  Fedora system this is in the hal-debuginfo package and can be installed via the yum
       update program.

       Second, shut down the existing hald daemon instance; on a Fedora system this  is  achieved

       /usr/local/etc/init.d/haldaemon stop

       After having shut down the daemon, you might want to run

       pkill hald

       to  ensure  that  all the helper processe of hald are killed too. To start the HAL daemon,

       /usr/local/sbin/hald --daemon=no --verbose=yes

       If the daemon crashes, you can start it under a debugger via

       gdb /usr/local/sbin/hald

       and then typing

       run --daemon=no --verbose=yes

       at the (gdb) prompt. To capture a back trace, use the bt command and attach  this  to  the
       bug report.

       Please also attach the output of lshal(1) in the bug report if possible (it's not possible
       if the hald daemon crashed). If the nature of the bug has to do with  hotplugging,  attach
       two outputs of lshal(1) - one before the device hotplug event and one after.

       udev(7),  dbus-daemon(1), lshal(1), hal-set-property(1), hal-get-property(1), hal-find-by-
       property(1), hal-find-by-capability(1), hal-is-caller-locked-out(1)

       Written by David Zeuthen <david@fubar.dk> with a lot of help from many others.

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