756 lines
19 KiB
Groff
756 lines
19 KiB
Groff
.\"
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.\" Copyright (c) 1997-1999 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: amd.conf.5,v 1.3 1999/03/30 17:23:08 ezk Exp $
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.\" $FreeBSD$
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.\"
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.Dd April 7, 1997
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.Dt AMD.CONF 5
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.Os
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.Sh NAME
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.Nm amd.conf
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.Nd amd configuration file
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.Sh SYNOPSIS
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.Nm
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.Sh DESCRIPTION
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The
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.Nm
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file is the configuration file for amd, as part of the am-utils suite.
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.Pp
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.Nm
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contains runtime configuration information for the
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.Xr amd 8
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automounter program.
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.Sh FILE FORMAT
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The file consists of sections and parameters. A section begins with the
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name of the section in square brackets and continues until the next section
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begins or the end of the file is reached. Sections contain parameters of
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the form
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.Sq name = value .
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.Pp
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The file is line-based - that is, each newline-terminated line represents
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either a comment, a section name or a parameter. No line-continuation
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syntax is available.
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.Pp
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Section, parameter names and their values are case sensitive.
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.Pp
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Only the first equals sign in a parameter is significant. Whitespace before
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or after the first equals sign is discarded. Leading, trailing and
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internal whitespace in section and parameter names is irrelevant. Leading
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and trailing whitespace in a parameter value is discarded. Internal
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whitespace within a parameter value is not allowed, unless the whole
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parameter value is quoted with double quotes as in
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.Sq name = Qq some\ value .
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.Pp
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Any line beginning with a pound sign (#) is ignored, as are lines containing
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only whitespace.
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.Pp
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The values following the equals sign in parameters are all either a string
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(no quotes needed if string does not include spaces) or a boolean, which may
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be given as yes/no. Case is significant in all values. Some items such as
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cache timeouts are numeric.
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.Sh SECTIONS
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.Ss "The [global] section"
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Parameters in this section either apply to
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.Nm amd
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as a whole, or to all other regular map sections which follow. There
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should be only one global section defined in one configuration file.
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.Pp
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It is highly recommended that this section be specified first in the
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configuration file. If it is not, then regular map sections which precede
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it will not use global values defined later.
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.Ss "Regular [/map] sections"
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Parameters in regular (non-global) sections apply to a single map entry.
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For example, if the map section
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.Bq Pa /homes
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is defined, then all parameters following it will be applied to the
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.Pa /homes
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amd-managed mount point.
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.Sh PARAMETERS
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.Ss "Parameters common to all sections"
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These parameters can be specified either in the global or a map specific
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section. Entries specified in a map-specific section override the default
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value or one defined in the global section. If such a common parameter is
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specified only in the global section, it is applicable to all regular map
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sections that follow.
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.Bl -tag -width 4n
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.It Ic browsable_dirs Xo
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.Pq "string, default=no"
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.Xc
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If
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.Qq yes ,
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then amd's top-level mount points will be browsable to
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.Xr readdir 3
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calls. This means you could run for example
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.Xr ls 1
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and see what keys are available to mount in that directory. Not all entries
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are made visible to
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.Xr readdir 3 :
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the
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.Qq Pa /default
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entry, wildcardentries, and those with a
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.Qq Pa /
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in them are not included. If you specify
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.Qq full
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to this option, all but
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.Qq Pa /default
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will be visible. Note that if you run a command which will attempt to
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.Xr stat 2
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the entries, such as often done by
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.Qq ls -l
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or
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.Qq ls -F ,
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.Nm amd
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will attempt to mount
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.Em every
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entry in that map. This is often called a
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.Em mount storm .
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.It Ic map_options Xo
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.Pq "string, default no options"
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.Xc
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This option is the same as specifying map options on the command line to
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.Nm amd ,
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such as
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.Ql cache\&:\&=all .
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.It Ic map_type Xo
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.Pq "string, default search all map types"
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.Xc
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If specified, amd will initialize the map only for the type given.
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This is useful to avoid the default map search type used by amd which
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takes longer and can have undesired side-effects such as initializing
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NIS even if not used. Possible values are:
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.Pp
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.Bl -tag -width "nisplus" -compact
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.It Ic file
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plain files
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.It Ic hesiod
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Hesiod name service from MIT
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.It Ic ldap
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Lightweight Directory Access Protocol
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.It Ic ndbm
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(New) dbm style hash files
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.It Ic nis
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Network Information Services (version 2)
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.It Ic nisplus
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Network Information Services Plus (version 3)
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.It Ic passwd
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local password files
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.It Ic union
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union maps
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.El
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.It Ic mount_type Xo
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.Pq "string, default=nfs"
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.Xc
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All amd mount types default to
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.Tn NFS .
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That is,
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.Nm amd
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is an
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.Tn NFS
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server on the map mount points, for the local host it is running on. If
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.Qq autofs
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is specified, amd will be an autofs server for those mount points.
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.It Ic search_path Xo
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.Pq "string, default no search path"
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.Xc
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This provides a
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.Pq colon-delimited
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search path for file maps. Using a search path, sites can allow for
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local map customizations and overrides, and can distributed maps in
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several locations as needed.
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.El
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.Ss "Parameters applicable to the global section only"
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.Bl -tag -width 4n
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.It Ic arch Xo
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.Pq "string, default to compiled in value"
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.Xc
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Allows you to override the value of the
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.Va arch
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.Nm amd
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variable.
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.It Ic auto_dir Xo
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.Pq "string, default=/a"
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.Xc
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Same as the
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.Fl a
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option to
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.Nm amd .
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This sets the private directory where amd will create sub-directories for its
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real mount points.
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.It Ic cache_duration Xo
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.Pq "numeric, default=300"
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.Xc
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Same as the
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.Fl c
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option to
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.Nm amd .
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Sets the duration in seconds that looked up map entries remain in the cache.
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.It Ic cluster Xo
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.Pq "string, default no cluster"
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.Xc
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Same as the
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.Fl C
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option to
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.Nm amd .
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Specifies the alternate
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.Tn HP-UX
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cluster to use.
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.It Ic debug_options Xo
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.Pq "string, default no debug options"
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.Xc
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Same as the
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.Fl D
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option to
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.Nm amd .
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Specify any debugging options for
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.Nm amd .
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Works only if am-utils was configured for debugging using the
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.Fl -enable-debug
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option.
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The
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.Qq mem
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option alone can be turned on via
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.Fl -enable-debug Ns = Ns Ic mem .
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Otherwise debugging options are ignored. Options are comma delimited, and can
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be preceded by the string
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.Qq no
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to negate their meaning. You can get the list of supported debugging options
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by running
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.Nm amd Fl v .
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Possible values are:
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.Pp
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.Bl -tag -width "daemon" -compact
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.It Ic all
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all options
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.It Ic amq
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register for
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.Xr amq 8
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.It Ic daemon
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enter daemon mode
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.It Ic fork
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fork server
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.It Ic full
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program trace
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.It Ic info
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info service specific debugging
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.Pq hesiod, nis, etc.
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.It mem
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trace memory allocations
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.It Ic mtab
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use local
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.Pa ./mtab
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file
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.It Ic str
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debug string munging
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.It Ic test
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full debug but no daemon
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.It Ic trace
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protocol trace
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.El
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.It Ic dismount_interval Xo
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.Pq "numeric, default=120"
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.Xc
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Same as the
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.Fl w
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option to
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.Nm amd .
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Specify, in seconds, the time between attempts to dismount file systems that
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have exceeded their cached times.
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.It Ic fully_qualified_hosts Xo
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.Pq "string, default=no"
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.Xc
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If
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.Qq yes ,
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.Nm Amd
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will perform RPC authentication using fully-qualified host names. This is
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necessary for some systems, and especially when performing cross-domain
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mounting. For this function to work, the
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.Nm amd
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variable
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.Va ${hostd}
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is used, requiring that
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.Va ${domain}
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not be null.
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.It Ic hesiod_base Xo
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.Pq "string, default=automount"
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.Xc
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Specify the base name for hesiod maps.
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.It Ic karch Xo
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.Pq "string, default to karch of the system"
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.Xc
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Same as the
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.Fl k
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option to
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.Nm amd .
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Allows you to override the kernel-architecture of your system. Useful for
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example on Sun
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.Pq Sparc
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machines, where you can build one
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.Nm amd
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binary and run it on multiple machines, yet you want each one to get the
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correct
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.Va karch
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variable set
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.Pq for example, sun4c, sun4m, sun4u, etc.
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Note that if not
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specified,
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.Nm amd
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will use
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.Xr uname 3
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to figure out the kernel architecture of the machine.
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.It Ic ldap_base Xo
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.Pq "string, default not set"
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.Xc
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Specify the base name for LDAP.
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.It Ic ldap_cache_maxmem Xo
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.Pq "numeric, default=131072"
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.Xc
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Specify the maximum memory amd should use to cache LDAP entries.
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.It Ic ldap_cache_seconds Xo
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.Pq "numeric, default=0"
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.Xc
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Specify the number of seconds to keep entries in the cache.
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.It Ic ldap_hostports Xo
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.Pq "string, default not set"
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.Xc
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Specify LDAP-specific values such as country and organization.
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.It Ic local_domain Xo
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.Pq "string, default no sub-domain"
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.Xc
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Same as the
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.Fl d
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option to
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.Nm amd .
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Specify the local domain name. If this option is not given the domain name is
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determined from the hostname by removing the first component of the
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fully-qualified host name.
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.It Ic log_file Xo
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.Pq "string, default=/dev/stderr"
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.Xc
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Same as the
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.Fl l
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option to
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.Nm amd .
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Specify a file name to log
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.Nm amd
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events to. If the string
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.Pa /dev/stderr
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is specified,
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.Nm amd
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will send its events to the standard error file descriptor. IF the string
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.Pa syslog
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is given,
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.Nm amd
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will record its events with the system logger
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.Xr syslogd 8 .
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The default syslog facility used is
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.Ev LOG_DAEMON .
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If you wish to change it, append its name to the log file name, delimited by a
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single colon. For example, if
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.Pa logfile
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is the string
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.Qq syslog:local7
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then
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.Nm amd
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will log messages via
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.Xr syslog 3
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using the
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.Ev LOG_LOCAL7
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facility
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.Pq if it exists on the system .
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.It Ic log_options Xo
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.Pq "string, default no logging options"
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.Xc
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Same as the
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.Fl x
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option to
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.Nm amd .
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Specify any logging options for
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.Nm amd .
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Options are comma delimited, and can be preceded by the string
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.Dq no
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to negate their meaning. The
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.Dq debug
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logging option is only available if am-utils was configured with
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.Fl -enable-debug .
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You can get the list of supported debugging options by running
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.Nm amd Fl v .
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Possible values are:
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.Pp
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.Bl -tag -width "warning" -compact
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.It Ic all
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all messages
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.It Ic debug
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debug messages
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.It Ic error
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non-fatal system errors
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.It Ic fatal
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fatal errors
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.It Ic info
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information
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.It Ic map
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map errors
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.It Ic stats
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additional statistical information
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.It Ic user
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non-fatal user errors
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.It Ic warn
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warnings
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.It Ic warning
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warnings
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.El
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.It Ic nfs_retransmit_counter Xo
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.Pq "numeric, default=110"
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.Xc
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Same as the
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.Ic counter
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part of the
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.Fl t Ar interval.counter
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option to
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.Nm amd .
|
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Specifies the retransmit counter's value in tenths of seconds.
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.It Ic nfs_retry_interval Xo
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.Pq "numeric, default=8"
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.Xc
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Same as the
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.Ic interval
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part of the
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.Fl t Ar interval.counter
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option to
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.Nm amd .
|
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Specifies the interval in tenths of seconds, between NFS/RPC/UDP retries.
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.It Ic nis_domain Xo
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.Pq "string, default to local NIS domain name"
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.Xc
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Same as the
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.Fl y
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option to
|
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.Nm amd .
|
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Specify an alternative
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.Tn NIS
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domain from which to fetch the
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.Tn NIS
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maps. The default is the system domain name. This option is ignored if
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.Tn NIS
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support is not available.
|
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.It Ic normalize_hostnames Xo
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.Pq "boolean, default=no"
|
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.Xc
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Same as the
|
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.Fl n
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option to
|
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.Nm amd .
|
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If
|
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.Dq yes ,
|
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then the name refereed to by
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.Va ${rhost}
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is normalized relative to the host database before being used. The effect is
|
|
to translate aliases into
|
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.Qq official
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names.
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|
.It Ic os Xo
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.Pq "string, default to compiled in value"
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.Xc
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Same as the
|
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.Fl O
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option to
|
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.Nm amd .
|
|
Allows you to override the compiled-in name of the operating
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system. Useful when the built-in name is not desired for backward
|
|
compatibility reasons. For example, if the build in name is
|
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.Dq sunos5 ,
|
|
you can override it to
|
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.Dq sos5 ,
|
|
and use older maps which were written with the latter in mind.
|
|
.It Ic osver Xo
|
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.Pq "string, default to compiled in value"
|
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.Xc
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Same as the
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.Fl o
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option to
|
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.Nm amd .
|
|
Override the compiled-in version number of the operating
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|
system. Useful when the built in version is not desired for backward
|
|
compatibility reasons. For example, if the build in version is
|
|
.Dq 2.5.1 ,
|
|
you can override it to
|
|
.Dq 5.5.1 ,
|
|
and use older maps that were written with the latter in mind.
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|
.It Ic pid_file Xo
|
|
.Pq "string, default=/dev/stdout"
|
|
.Xc
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|
Specify a file to store the process ID of the running daemon into. If not
|
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specified,
|
|
.Nm amd
|
|
will print its process id only the standard output. Useful for killing
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.Nm amd
|
|
after it had run. Note that the PID of a running
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|
.Nm amd
|
|
can also be retrieved via
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.Nm amq Fl p .
|
|
This file is used only if the
|
|
.Ar print_pid
|
|
option is on.
|
|
.It Ic plock Xo
|
|
.Pq "boolean, default=yes"
|
|
.Xc
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|
Same as the
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.Fl S
|
|
option to
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.Nm amd .
|
|
If
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.Dq yes ,
|
|
lock the running executable pages of
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|
.Nm amd
|
|
into memory. To improve
|
|
.Nm amd Ns 's
|
|
performance, systems that support the
|
|
.Xr plock 3
|
|
call can lock the
|
|
.Nm amd
|
|
process into memory. This way there is less chance it that the operating
|
|
system will schedule, page out, and swap the
|
|
.Nm amd
|
|
process as needed. This improves
|
|
.Nm amd Ns 's
|
|
performance, at the cost of reserving the memory used by the
|
|
.Nm amd
|
|
process
|
|
.Pq making it unavailable for other processes .
|
|
.It Ic portmap_program Xo
|
|
.Pq "numeric, default=300019"
|
|
.Xc
|
|
Specify an alternate Port-mapper RPC program number, other than the official
|
|
number. This is useful when running multiple
|
|
.Nm amd
|
|
processes. For example, you can run another
|
|
.Nm amd
|
|
in
|
|
.Dq test
|
|
mode, without affecting the primary
|
|
.Nm amd
|
|
process in any way. For safety reasons, the alternate program numbers that
|
|
can be specified must be in the range 300019-300029, inclusive.
|
|
.Nm amq
|
|
has an option
|
|
.Fl P
|
|
which can be used to specify an alternate program number of an
|
|
.Nm amd
|
|
to contact. In this way,
|
|
.Nm amq
|
|
can fully control any number of
|
|
.Nm amd
|
|
processes running on the same host.
|
|
.It Ic print_pid Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
Same as the
|
|
.Fl p
|
|
option to
|
|
.Nm amd .
|
|
If
|
|
.Dq yes ,
|
|
.Nm amd
|
|
will print its process ID upon starting.
|
|
.It Ic print_version Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
Same as the
|
|
.Fl v
|
|
option to
|
|
.Nm amd ,
|
|
but the version prints and
|
|
.Nm amd
|
|
continues to run. If
|
|
.Dq yes ,
|
|
.Nm amd
|
|
will print its version information string, which includes some configuration
|
|
and compilation values.
|
|
.It Ic restart_mounts Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
Same as the
|
|
.Fl r
|
|
option to
|
|
.Nm amd .
|
|
If
|
|
.Dq yes ,
|
|
.Nm amd
|
|
will scan the mount table to determine which file systems are currently
|
|
mounted. Whenever one of these would have been auto-mounted,
|
|
.Nm amd
|
|
inherits it.
|
|
.It Ic selectors_on_default Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
If
|
|
.Dq yes ,
|
|
then the
|
|
.Pa /default
|
|
entry of maps will be looked for and process any selectors before setting
|
|
defaults for all other keys in that map. Useful when you want to set
|
|
different options for a complete map based on some parameters. For example,
|
|
you may want to better the
|
|
.Tn NFS
|
|
performance over slow slip-based networks as
|
|
follows:
|
|
.Pp
|
|
.Bd -literal
|
|
/defaults \\
|
|
wire==slip-net;opts:=intr,rsize=1024,wsize=1024 \\
|
|
wire!=slip-net;opts:=intr,rsize=8192,wsize=8192
|
|
.Ed
|
|
.It Ic show_statfs_entries Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
If
|
|
.Dq yes ,
|
|
then all maps which are browsable will also show the number of entries
|
|
.Pq keys
|
|
they have when
|
|
.Qq df
|
|
runs.
|
|
(This is accomplished by returning non-zero values to the
|
|
.Xr statfs 2
|
|
system call.)
|
|
.It Ic unmount_on_exit Xo
|
|
.Pq "boolean, default=no"
|
|
.Xc
|
|
If
|
|
.Dq yes ,
|
|
then
|
|
.Nm amd
|
|
will attempt to unmount all file systems which it knows about. Normally
|
|
.Nm amd
|
|
leaves all
|
|
.Pq esp.\&
|
|
.Tn NFS
|
|
mounted filesystems intact. Note that
|
|
.Nm amd
|
|
does not know about file systems mounted before it starts up, unless the
|
|
.Ar restart_mounts
|
|
option or
|
|
.Fl r
|
|
flag are used.
|
|
.El
|
|
.Ss "Parameters applicable to regular map sections"
|
|
.Bl -tag -width 4n
|
|
.It Ic map_name Xo
|
|
.Pq "string, must be specified"
|
|
.Xc
|
|
Name of the map where the keys are located.
|
|
.It Ic tag Xo
|
|
.Pq "string, default no tag"
|
|
.Xc
|
|
Each map entry in the configuration file can be tagged. If no tag is
|
|
specified, that map section will always be processed by
|
|
.Nm amd .
|
|
If it is specified, then
|
|
.Nm amd
|
|
will process the map if the
|
|
.Fl T
|
|
option was given to
|
|
.Nm amd ,
|
|
and the value given to that command-line option matches that in the map
|
|
section.
|
|
.El
|
|
.Sh EXAMPLES
|
|
Here is a real
|
|
.Nm amd
|
|
configuration I use daily.
|
|
.Bd -literal
|
|
# GLOBAL OPTIONS SECTION
|
|
[ global ]
|
|
normalize_hostnames = no
|
|
print_pid = no
|
|
restart_mounts = yes
|
|
auto_dir = /n
|
|
log_file = /var/log/amd
|
|
log_options = all
|
|
#debug_options = all
|
|
plock = no
|
|
selectors_on_default = yes
|
|
# config.guess picks up "sunos5" and I don't want to edit my maps yet
|
|
os = sos5
|
|
# if you print_version after setting up "os", it will show it.
|
|
print_version = no
|
|
map_type = file
|
|
search_path = /etc/amdmaps:/usr/lib/amd:/usr/local/AMD/lib
|
|
browsable_dirs = yes
|
|
|
|
# DEFINE AN AMD MOUNT POINT
|
|
[ /u ]
|
|
map_name = amd.u
|
|
|
|
[ /proj ]
|
|
map_name = amd.proj
|
|
|
|
[ /src ]
|
|
map_name = amd.src
|
|
|
|
[ /misc ]
|
|
map_name = amd.misc
|
|
|
|
[ /import ]
|
|
map_name = amd.import
|
|
|
|
[ /tftpboot/.amd ]
|
|
tag = tftpboot
|
|
map_name = amd.tftpboot
|
|
.Ed
|
|
.Sh SEE ALSO
|
|
.Xr amd 8 ,
|
|
.Xr amq 8
|
|
.Sh AUTHORS
|
|
.An Erez Zadok Aq ezk@cs.columbia.edu ,
|
|
Department of Computer Science, Columbia University, New York, USA.
|
|
.Pp
|
|
.An Jan-Simon Pendry Aq jsp@doc.ic.ac.uk ,
|
|
Department of Computing, Imperial College, London, UK.
|
|
.Pp
|
|
Other authors and contributers to am-utils are listed in the
|
|
.Pa AUTHORS
|
|
file distributed with am-utils.
|
|
.Sh HISTORY
|
|
The
|
|
.Nm amd
|
|
utility first appeared in
|
|
.Bx 4.4 .
|