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84 lines
3.1 KiB
Groff
84 lines
3.1 KiB
Groff
.\"/*
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.\" * Copyright (C) 2010 Red Hat, Inc.
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.\" *
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.\" * All rights reserved.
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.\" *
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.\" * Author: Angus Salkeld <asalkeld@redhat.com>
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.\" *
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.\" * This software licensed under BSD license, the text of which follows:
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.\" *
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.\" * Redistribution and use in source and binary forms, with or without
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.\" * modification, are permitted provided that the following conditions are met:
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.\" *
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.\" * - Redistributions of source code must retain the above copyright notice,
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.\" * this list of conditions and the following disclaimer.
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.\" * - Redistributions in binary form must reproduce the above copyright notice,
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.\" * this list of conditions and the following disclaimer in the documentation
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.\" * and/or other materials provided with the distribution.
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.\" * - Neither the name of the MontaVista Software, Inc. nor the names of its
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.\" * contributors may be used to endorse or promote products derived from this
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.\" * software without specific prior written permission.
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.\" *
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.\" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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.\" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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.\" * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" * THE POSSIBILITY OF SUCH DAMAGE.
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.\" */
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.TH COROSYNC-KEYGEN 8 2010-05-30
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.SH NAME
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corosync-keygen \- Generate an authentication key for Corosync.
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.SH SYNOPSIS
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.B "corosync-keygen"
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.SH DESCRIPTION
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If you want to configure corosync to use cryptographic techniques to ensure authenticity
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.br
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and privacy of the messages, you will need to generate a private key.
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.PP
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.B corosync-keygen
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creates this key and writes it to /etc/corosync/authkey.
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.PP
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This private key must be copied to every processor in the cluster. If the
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.br
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private key isn't the same for every node, those nodes with nonmatching private
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.br
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keys will not be able to join the same configuration.
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.PP
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Copy the key to some security transportable storage or use ssh to transmit the
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.br
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key from node to node. Then install the key with the command:
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.PP
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unix#: install -D --group=0 --owner=0 --mode=0400 /path_to_authkey/authkey /etc/corosync/authkey
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.PP
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If a message "Invalid digest" appears from the corosync executive, the keys
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.br
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are not consistent between processors.
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.PP
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.B Note: corosync-keygen
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will ask for user input to assist in generating entropy.
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.SH EXAMPLES
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.TP
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Generate the key.
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.PP
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$ corosync-keygen
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.br
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Corosync Cluster Engine Authentication key generator.
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.br
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Gathering 1024 bits for key from /dev/random.
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.br
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Press keys on your keyboard to generate entropy.
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.br
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.SH SEE ALSO
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.BR corosync_overview (8),
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.BR corosync.conf (5),
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.SH AUTHOR
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Angus Salkeld
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.PP
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