Linux 2.6 - man page for uuidd (linux section 8)
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uuidd - UUID generation daemon
uuidd [-d] [-p pidfile] [-s socketpath] [-T timeout]
uuidd [-r|-t] [-n number] [-s socketpath]
The uuidd daemon is used by the UUID library to generate universally unique identifiers
(UUIDs), especially time-based UUIDs, in a secure and guaranteed-unique fashion, even in
the face of large numbers of threads running on different CPUs trying to grab UUIDs.
-d Run uuidd in debugging mode. This prevents uuidd from running as a daemon.
-k If currently a uuidd daemon is running, kill it.
When issuing a test request to a running uuidd, request a bulk response of number
Specify the pathname where the pid file should be written. By default, the pid
file is written to /var/run/uuidd/uuidd.pid.
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 pur-
poses, 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.
Specify a timeout for uuidd. If specified, then uuidd will exit after timeout sec-
onds of inactivity.
-q Turn on quiet flag.
The uuidd daemon was written by Theodore Ts'o <email@example.com>.
uuidd is part of the util-linux package and is available from ftp://ftp.ker-
Linux May 2009 UUIDD(8)
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