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e7ce9759ac
Various changes (many by me) have been made to the man pages without bumping their dates. I have now corrected them based on the last commit to each file. I also added the script I used to make these changes. Reviewed-by: Olaf Faaland <faaland1@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Laager <rlaager@wiktel.com> Closes #8710
72 lines
2.0 KiB
Groff
72 lines
2.0 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\"
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or http://www.opensolaris.org/os/licensing.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" When distributing Covered Code, include this CDDL HEADER in each
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2017 by Lawrence Livermore National Security, LLC.
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.\"
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.Dd September 16, 2017
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.Dt ZGENHOSTID 8 SMM
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.Os Linux
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.Sh NAME
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.Nm zgenhostid
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.Nd generate and store a hostid in
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.Em /etc/hostid
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.Sh SYNOPSIS
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.Nm
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.Op Ar hostid
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.Sh DESCRIPTION
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If
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.Em /etc/hostid
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does not exist, create it and store a hostid in it. If the user provides
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.Op Ar hostid
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on the command line, store that value. Otherwise, randomly generate a
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value to store.
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.Pp
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This emulates the
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.Xr genhostid 1
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utility and is provided for use on systems which do not include the utility.
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.Sh OPTIONS
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.Op Ar hostid
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Specifies the value to be placed in
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.Em /etc/hostid .
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It must be a number with a value between 1 and 2^32-1. This value
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.Sy must
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be unique among your systems. It must be expressed in hexadecimal and be
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exactly 8 digits long.
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.Sh EXAMPLES
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.Bl -tag -width Ds
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.It Generate a random hostid and store it
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.Bd -literal
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# zgenhostid
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.Ed
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.It Record the libc-generated hostid in Em /etc/hostid
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.Bd -literal
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# zgenhostid $(hostid)
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.Ed
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.It Record a custom hostid (0xdeadbeef) in Em etc/hostid
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.Bd -literal
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# zgenhostid deadbeef
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.Ed
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.El
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.Sh SEE ALSO
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.Xr genhostid 1 ,
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.Xr hostid 1 ,
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.Xr spl-module-parameters 5
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