1111b49c35
of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
168 lines
5.2 KiB
Groff
168 lines
5.2 KiB
Groff
.\" Copyright (c) 1980, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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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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.\" @(#)rc.8 8.2 (Berkeley) 12/11/93
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.\" $FreeBSD$
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.\"
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.Dd December 11, 1993
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.Dt RC 8
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.Os BSD 4
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.Sh NAME
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.Nm rc
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.Nd command scripts for auto\-reboot and daemon startup
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.Sh SYNOPSIS
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.Nm rc
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.Nm rc.conf
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.Nm rc.conf.local
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.Nm rc.serial
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.Nm rc.pccard
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.Nm rc.network
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.Nm rc.firewall
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.Nm rc.atm
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.Nm rc.<arch>
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.Nm rc.local
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.Nm rc.shutdown
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.Sh DESCRIPTION
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.Nm Rc
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is the command script which controls the automatic reboot
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(calling the other scripts) and
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.Nm rc.local
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is the script holding commands which are pertinent only
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to a specific site. Typically, the /usr/local/etc/rc.d
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mechanism is used instead of rc.local these days but if
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you do want to use rc.local, /etc/rc still supports it.
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In this case, rc.local should source /etc/rc.conf and
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contain additional custom startup code for your system.
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.Nm Rc.conf
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contains the global system configuration information referenced
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by the rc files, while
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.Nm rc.conf.local
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contains the local system configuration. See rc.conf(5)
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.Pp
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.Nm Rc.shutdown
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is the command script which contains any necessary commands
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to be executed as the system is shut down.
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.Pp
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When an automatic reboot is in progress,
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.Nm rc
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is invoked with the argument
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.Em autoboot .
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The first portion of
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.Nm rc
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runs an
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.Xr fsck 8
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with option
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.Fl p
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to ``preen'' all the disks of minor inconsistencies resulting
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from the last system shutdown and to check for serious inconsistencies
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caused by hardware or software failure.
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If this auto-check and repair succeeds, then the second part of
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.Nm rc
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is run.
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.Pp
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The second part of
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.Nm rc ,
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which is run after an auto-reboot succeeds and also if
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.Nm rc
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is invoked when a single user shell terminates (see
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.Xr init 8 ) ,
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starts all the daemons on the system, preserves editor files
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and clears the scratch directory
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.Pa /tmp .
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.Pp
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.Nm Rc.serial
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is used to set any special configurations for serial devices.
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.Pp
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.Nm Rc.pccard
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is used to enable PC-cards.
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.Pp
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.Nm Rc.network
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is used to start the network.
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The network is started in three passes.
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The first pass sets the hostname and domainname, configures the network
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interfaces, turns on any IP firewall rules, and starts routing.
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The second pass starts most of the network related daemons.
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The third pass starts NFS, amd, rwhod, Kerberos and
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the multicast routing daemon.
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.Pp
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.Nm Rc.firewall
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is used to configure rules for the kernel based firewall
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service.
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It has several possible options:
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.Pp
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.Bl -tag -width "fBfilename" -compact -offset indent
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.It open
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will allow anyone in.
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.It client
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will try to protect just this machine.
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.It simple
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will try to protect a whole network.
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.It closed
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totally disables IP services except via lo0 interface.
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.It UNKNOWN
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disables the loading of firewall rules.
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.It filename
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will load the rules in the given filename (full path required).
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.El
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.Pp
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.Nm Rc.atm
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is used to configure ATM network interfaces.
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The interfaces are configured in three passes.
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The first pass performs the initial interface configuration.
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The second pass completes the interface configuration and defines PVCs and
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permanent ATMARP entries.
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The third pass starts any ATM daemons.
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.Pp
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.Nm Rc.<arch>
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runs architecture specific programs.
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.Pp
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.Nm Rc.local
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is executed after the scripts above, but before the rest of the
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.Nm rc
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file is completed.
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Presently, all
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.Nm rc.local
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does is to put version information in
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.Pa /etc/motd .
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.Pp
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Following tradition, the startup files reside in
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.Pa /etc .
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.Sh SEE ALSO
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.Xr rc.conf 5 ,
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.Xr init 8 ,
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.Xr reboot 8 ,
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.Xr savecore 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.0 .
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