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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:14:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:14:44 +0000
commit30ff6afe596eddafacf22b1a5b2d1a3d6254ea15 (patch)
tree9b788335f92174baf7ee18f03ca8330b8c19ce2b /misc-utils/uuidd.8.in
parentInitial commit. (diff)
downloadutil-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.tar.xz
util-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.zip
Adding upstream version 2.36.1.upstream/2.36.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+.\" -*- nroff -*-
+.\" Copyright 2007 by Theodore Ts'o. All Rights Reserved.
+.\" This file may be copied under the terms of the GNU Public License.
+.\"
+.TH UUIDD 8 "July 2014" "util-linux" "System Administration"
+.SH NAME
+uuidd \- UUID generation daemon
+.SH SYNOPSIS
+.B uuidd
+[options]
+.SH DESCRIPTION
+The
+.B 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.
+.SH OPTIONS
+.TP
+.BR \-d , " \-\-debug"
+Run uuidd in debugging mode. This prevents uuidd from running as a daemon.
+.TP
+.BR \-F , " \-\-no-fork"
+Do not daemonize using a double-fork.
+.TP
+.BR \-k , " \-\-kill"
+If currently a uuidd daemon is running, kill it.
+.TP
+.BR \-n , " \-\-uuids " \fInumber\fR
+When issuing a test request to a running uuidd, request a bulk response
+of
+.I number
+UUIDs.
+.TP
+.BR \-P , " \-\-no-pid"
+Do not create a pid file.
+.TP
+.BR \-p , " \-\-pid " \fIpath\fR
+Specify the pathname where the pid file should be written. By default,
+the pid file is written to @runstatedir@/uuidd/uuidd.pid.
+.TP
+.BR \-q , " \-\-quiet"
+Suppress some failure messages.
+.TP
+.BR \-r , " \-\-random"
+Test uuidd by trying to connect to a running uuidd daemon and
+request it to return a random-based UUID.
+.TP
+.BR \-S , " \-\-socket-activation"
+Do not create a socket but instead expect it to be provided by the calling
+process. This implies \fB\-\-no-fork\fR and \fB\-\-no-pid\fR. This option is
+intended to be used only with \fBsystemd\fR(1). It needs to be enabled with
+a configure option.
+.TP
+.BR \-s , " \-\-socket " \fIpath\fR
+Make uuidd use this pathname for the unix-domain socket. By default, the
+pathname used is @runstatedir@/uuidd/request. This option is primarily
+for debugging purposes, since the pathname is hard-coded in the libuuid
+library.
+.TP
+.BR \-T , " \-\-timeout " \fInumber\fR
+Make uuidd exit after \fInumber\fR seconds of inactivity.
+.TP
+.BR \-t , " \-\-time"
+Test uuidd by trying to connect to a running uuidd daemon and
+request it to return a time-based UUID.
+.TP
+.BR \-V , " \-\-version"
+Output version information and exit.
+.TP
+.BR \-h , " \-\-help"
+Display help screen and exit.
+.SH EXAMPLE
+Start up a daemon, print 42 random keys, and then stop the daemon:
+.PP
+.RS
+.nf
+uuidd \-p /tmp/uuidd.pid \-s /tmp/uuidd.socket
+uuidd \-d \-r \-n 42 \-s /tmp/uuidd.socket
+uuidd \-d \-k \-s /tmp/uuidd.socket
+.fi
+.RE
+.SH AUTHOR
+The
+.B uuidd
+daemon was written by Theodore Ts'o <tytso@mit.edu>.
+.SH "SEE ALSO"
+.BR uuid (3),
+.BR uuidgen (1)
+.SH AVAILABILITY
+The uuidd daemon is part of the util-linux package and is available from the
+.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
+Linux Kernel Archive
+.UE .