221 lines
6.3 KiB
Groff
221 lines
6.3 KiB
Groff
.\"
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.\" Copyright (c) 1997-2004 Erez Zadok
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.\" Copyright (c) 1990 Jan-Simon Pendry
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.\" Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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.\" Copyright (c) 1990 The Regents of the University of California.
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.\" 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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.\" Jan-Simon Pendry at Imperial College, London.
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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 acknowledgment:
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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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.\" %W% (Berkeley) %G%
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.\"
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.\" $Id: amq.8,v 1.3.2.8 2004/01/06 03:15:16 ezk Exp $
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.\" $FreeBSD$
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.\"
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.Dd March 16, 1991
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.Dt AMQ 8
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.Os
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.Sh NAME
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.Nm amq
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.Nd automounter query tool
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.Sh SYNOPSIS
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.Nm amq
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.Op Fl fmpsuvTU
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.Op Fl h Ar hostname
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.Op Fl l Ar log_file
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.Op Fl x Ar log_options
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.Op Fl D Ar debug_options
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.Op Fl M Ar mountmap_entry
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.Op Fl P Ar program_number
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.Op Ar directory
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.Ar ...
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.Sh DESCRIPTION
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.Nm Amq
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provides a simple way of determining the current state of the
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.Xr amd 8
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program.
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Communication is by
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.Tn RPC .
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Three modes of operation are supported by the current protocol.
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By default a list of mount points and auto-mounted file systems
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is output.
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An alternative host can be specified using the
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.Fl h
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option.
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.Pp
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If directory names are given, as output by default,
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then per file system information is displayed.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl f
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Request automounter to flush the internal caches.
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.It Fl h Ar hostname
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Query alternate host
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.Ar hostname .
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By default the local host is used.
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In an
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.Tn HP-UX
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cluster, the root server is queried by default, since
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that is the system on which the automounter is normally run.
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.It Fl l Ar log_file
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Tell amd to use
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.Ar log_file
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as the log file name.
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For security reasons, this must be the same log file which
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.Nm amd
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used when started.
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This option is therefore only useful to
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refresh
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.Nm amd Ns \'s
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open file handle on the log file, so that it can be rotated and compressed via
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daily cron jobs.
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.It Fl m
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Request the automounter to provide a list of mounted file systems,
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including the number of references to each file system and any error
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which occurred while mounting.
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.It Fl p
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Return the process ID of the remote or locally running
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.Nm amd .
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Useful when you need to send a signal to the local
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.Nm amd
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process, and would rather not have to search through the process table.
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This
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option is used in the
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.Pa ctl-amd
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script.
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.It Fl s
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Request the automounter to provide system-wide mount statistics.
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.It Fl u
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Request the automounter to unmount the named file systems
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instead of providing information about them.
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Unmounts are requested,
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not forced.
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They merely cause the mounted file system to timeout,
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which will be picked up by
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.Nm amd Ns \'s
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main scheduler thus causing the normal timeout action to be taken.
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.It Fl v
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Request the automounter to provide version information.
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This is a subset
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of the information provided by
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.Nm amd Ns \'s Fl v
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option.
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.It Fl x Ar log_options
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Ask the automounter to use the logging options specified in
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.Ar log_options
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from now on.
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.It Fl D Ar log_options
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Ask the automounter to use the debugging options specified in
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.Ar debug_options
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from now on.
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.It Fl M
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Pass a mount map entry to
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.Nm amd
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and wait for it to be evaluated, possibly causing a mount.
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This option is highly insecure.
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By default,
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.Nm amd
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and
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.Nm amq
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do not support it.
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It is necessary to configure
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.Nm am-utils
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with
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.Ar --enable-amq-mount
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to enable this option.
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.It Fl P Ar program_number
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Contact an alternate running
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.Nm amd
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that had registered itself on a different RPC
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.Ar program_number
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and apply all other operations to that instance of the automounter.
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This is useful when running multiple copies of
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.Nm amd ,
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and need to manage each one separately.
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If not specified,
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.Nm amq
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will use the default program number for
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.Nm amd ,
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300019.
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For security reasons, the only alternate program numbers
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.Nm amd
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can use range from 300019 to 300029, inclusive.
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.It Fl T
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Contact
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.Nm amd
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using the TCP transport only.
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Normally
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.Nm amq
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will try TCP, and if that fails, will try UDP.
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.It Fl U
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Contact
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.Nm amd
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using UDP (connectionless) transport only.
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Normally
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.Nm amq
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will try TCP, and if that fails, will try UDP.
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.El
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.Sh FILES
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.Bl -tag -width amq.x -compact
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.It Pa amq.x
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.Tn RPC
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protocol description.
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.El
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.Sh CAVEATS
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.Nm Amq
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uses a Sun registered
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.Tn RPC
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program number (300019 decimal) which may not
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be in the
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.Pa /etc/rpc
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database.
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.Sh SEE ALSO
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.Xr amd.conf 5 ,
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.Xr amd 8
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.Sh HISTORY
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.Nm Amq
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first appeared in
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.Bx 4.4 .
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.Sh AUTHORS
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.An Jan-Simon Pendry Aq jsp@doc.ic.ac.uk ,
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Department of Computing, Imperial College, London, UK.
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.Pp
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.An Erez Zadok Aq ezk@cs.columbia.edu ,
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Department of Computer Science, Columbia University, New York, USA.
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.Pp
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.An Other authors and contributors to
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.Nm am-utils
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are listed in the
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.Nm AUTHORS
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file distributed with
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.Nm am-utils .
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