1999-03-22 21:43:46 +03:00
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.\" $NetBSD: ndc.8,v 1.2 1999/03/22 18:43:49 garbled Exp $
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1998-10-05 22:01:57 +04:00
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.\"
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.\" Copyright (c) 1994
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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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.Dd November 27, 1994
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.Dt NDC 8
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1999-03-22 21:43:46 +03:00
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.Os
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1998-10-05 22:01:57 +04:00
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.Sh NAME
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.Nm ndc
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.Nd name daemon control interface
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.Sh SYNOPSIS
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.Nm ndc
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.Ar directive
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.Op Ar ...
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.Sh DESCRIPTION
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This command allows the name server administrator to send various signals
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to the name server, or to restart it. Zero or more directives may be given,
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from the following list:
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.Bl -tag -width "querylog"
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.It Ic status
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Displays the current status of
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.Xr named 8
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as shown by
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.Xr ps 1 .
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.It Ic dumpdb
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Causes
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.Ic named
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to dump its database and cache to
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.Pa /var/tmp/named_dump.db
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(uses the
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.Dv INT
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signal.)
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.It Ic reload
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Causes
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.Ic named
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to check the serial numbers of all primary and secondary zones
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and to reload those that have changed (uses the
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.Dv HUP
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signal.)
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.It Ic stats
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Causes
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.Ic named
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to dump its statistics to
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.Pa /var/tmp/named.stats
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(uses the
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.Dv IOT
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or
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.Dv ABRT
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signal.)
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.It Ic trace
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Causes
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.Ic named
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to increment its
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.Dq tracing level
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by one. Whenever the tracing level
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is nonzero, trace information will be written to
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.Pa /var/tmp/named.run .
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Higher tracing levels result in more detailed information.
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(Uses the
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.Dv USR1
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signal.)
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.It Ic notrace
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Causes
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.Ic named
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to set its
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.Dq tracing level
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to zero, closing
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.Pa /var/tmp/named.run ,
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if it is open (uses the
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.Dv USR2
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signal.)
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.It Ic querylog
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Causes
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.Ic named
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to toggle the
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.Dq query logging
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feature, which while on will result in a
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.Xr syslog
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of each incoming query (uses the
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.Dv WINCH
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signal.) Note that query logging
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consumes quite a lot of log file space. This directive may also be given as
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.Ic qrylog .
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.It Ic start
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Causes
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.Ic named
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to be started, as long as it isn't already running.
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.It Ic stop
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Causes
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.Ic named
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to be stopped, if it is running.
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.It Ic restart
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Causes
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.Ic named
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to be killed and restarted.
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.El
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.Sh BUGS
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Arguments to
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.Ic named
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are not preserved by
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.Ic restart ,
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or known by
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.Ic start .
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.Pp
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Some mechanism for controlling the parameters and environment should exist.
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.Pp
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Implemented as a
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.Xr sh 1
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script.
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.Sh AUTHOR
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Paul Vixie (Internet Software Consortium)
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.Sh SEE ALSO
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.Xr named 8 ,
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.Xr named.reload 8 ,
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.Xr named.restart 8 .
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