158 lines
5.4 KiB
Groff
158 lines
5.4 KiB
Groff
.\" Copyright (c) 1988, 1992 The University of Utah and the Center
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.\" for Software Science (CSS).
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.\" Copyright (c) 1992, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Center for Software Science of the University of Utah Computer
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.\" Science Department. CSS requests users of this software to return
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.\" to css-dist@cs.utah.edu any improvements that they make and grant
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.\" CSS redistribution rights.
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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
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" 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 REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)rbootd.8 8.2 (Berkeley) 12/11/93
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.\" $FreeBSD$
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.\"
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.\" Utah Hdr: rbootd.man 3.1 92/07/06
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.\" Author: Jeff Forys, University of Utah CSS
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.\"
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.Dd December 11, 1993
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.Dt RBOOTD 8
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.Os
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.Sh NAME
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.Nm rbootd
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.Nd HP remote boot server
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.Sh SYNOPSIS
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.Nm
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.Op Fl ad
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.Op Fl i Ar interface
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.Op config_file
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.Sh DESCRIPTION
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The
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.Nm
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utility services boot requests from Hewlett-Packard workstations over a
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local area network.
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All boot files must reside in the boot file directory; further, if a
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client supplies path information in its boot request, it will be silently
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stripped away before processing.
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By default,
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.Nm
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only responds to requests from machines listed in its configuration file.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl a
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Respond to boot requests from any machine.
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The configuration file is ignored if this option is specified.
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.It Fl d
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Run
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.Nm
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in debug mode.
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Packets sent and received are displayed to the terminal.
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.It Fl i Ar interface
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Service boot requests on specified interface.
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If unspecified,
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.Nm
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searches the system interface list for the lowest numbered, configured
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``up'' interface (excluding loopback).
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Ties are broken by choosing the earliest match.
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.El
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.Pp
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Specifying
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.Ar config_file
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on the command line causes
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.Nm
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to use a different configuration file from the default.
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.Pp
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The configuration file is a text file where each line describes a particular
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machine.
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A line must start with a machine's Ethernet address followed by an optional
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list of boot file names.
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An Ethernet address is specified in hexadecimal with each of its six octets
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separated by a colon.
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The boot file names come from the boot file directory.
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The ethernet address and boot file(s) must be separated by white-space
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and/or comma characters.
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A pound sign causes the remainder of a line to be ignored.
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.Pp
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Here is a sample configuration file:
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.Bd -literal
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#
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# ethernet addr boot file(s) comments
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#
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08:00:09:0:66:ad SYSHPBSD # snake (4.3BSD)
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08:00:09:0:59:5b # vandy (anything)
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8::9:1:C6:75 SYSHPBSD,SYSHPUX # jaguar (either)
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.Ed
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.Pp
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The
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.Nm
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utility logs status and error messages via
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.Xr syslog 3 .
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A startup message is always logged, and in the case of fatal errors (or
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deadly signals) a message is logged announcing the server's termination.
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In general, a non-fatal error is handled by ignoring the event that caused
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it (e.g.\& an invalid Ethernet address in the config file causes that line
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to be invalidated).
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.Pp
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The following signals have the specified effect when sent to the server
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process using the
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.Xr kill 1
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command:
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.Bl -tag -width SIGUSR1 -offset -compact
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.It SIGHUP
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Drop all active connections and reconfigure.
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.It SIGUSR1
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Turn on debugging, do nothing if already on.
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.It SIGUSR2
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Turn off debugging, do nothing if already off.
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.El
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.Sh "FILES"
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.Bl -tag -width /usr/libexec/rbootd -compact
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.It Pa /dev/bpf#
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packet-filter device
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.It Pa /etc/rbootd.conf
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configuration file
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.It Pa /tmp/rbootd.dbg
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debug output
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.It Pa /usr/mdec/rbootd
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directory containing boot files
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.It Pa /var/run/rbootd.pid
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process id
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.El
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.Sh SEE ALSO
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.Xr kill 1 ,
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.Xr socket 2 ,
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.Xr signal 3 ,
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.Xr syslog 3
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.Sh BUGS
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If multiple servers are started on the same interface, each will receive
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and respond to the same boot packets.
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