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UUIDD(8)							      UUIDD(8)

NAME
       uuidd - UUID generation daemon

SYNOPSIS
       uuidd [-d] [-p pidfile] [-s socketpath] [-T timeout]
       uuidd [-r|-t] [-n number] [-s socketpath]
       uuidd -k

DESCRIPTION
       The  uuidd  daemon  is used by the UUID library to generate universally
       unique identifiers (UUIDs), especially time-based UUID's	 in  a	secure
       and  guaranteed-unique  fashion,	 even  in the face of large numbers of
       threads trying to grab UUID's running on different CPU's.

OPTIONS
       -d     Run uuidd in debugging mode.  This prevents uuidd	 from  running
	      as a daemon.

       -k     If a currently uuidd daemon is running, kill it.

       -n number
	      When  issuing  a test request to a running uuidd, request a bulk
	      response of number UUID's.

       -p pidfile
	      Specify the pathname where the pid file should be	 written.   By
	      default, the pid file is written to /var/run/uuidd/uuidd.pid.

       -s socketpath
	      Specify  the  pathname  used  for the unix-domain socket used by
	      uuidd.  By default, the pathname used is /var/run/uuidd/request.
	      This  is primarily for debugging purposes, since the pathname is
	      hard-coded in the libuuid library.

       -r     Test uuidd by trying to connect to a running  uuidd  daemon  and
	      request it to return a random-based UUID.

       -t     Test  uuidd  by  trying to connect to a running uuidd daemon and
	      request it to return a time-based UUID.

       -T timeout
	      Specify a timeout for uuidd.  If specified, then uuidd will exit
	      after timeout seconds of inactivity.

AUTHOR
       The uuidd daemon	 was written by Theodore Ts'o <tytso@mit.edu>.

AVAILABILITY
       uuidd  is  part	of  the	 util-linux-ng	package	 and is available from
       ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.

SEE ALSO
       libuuid(3), uuidgen(1)

Linux				   May 2009			      UUIDD(8)

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