1.\" $OpenBSD: ypxfr.8,v 1.19 2008/06/02 11:16:26 sobrado Exp $ 2.\" 3.\" Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $OpenBSD: ypxfr.8,v 1.19 2008/06/02 11:16:26 sobrado Exp $ 28.\" 29.Dd $Mdocdate: June 2 2008 $ 30.Dt YPXFR 8 31.Os 32.Sh NAME 33.Nm ypxfr 34.Nd get a YP map from YP server 35.Sh SYNOPSIS 36.Nm ypxfr 37.Op Fl cf 38.Op Fl C Ar tid prog ipadd port 39.Op Fl d Ar domain 40.Op Fl h Ar host 41.Op Fl s Ar domain 42.Ar mapname 43.Sh DESCRIPTION 44.Nm ypxfr 45is the utility in YP that transfers maps to the local host. 46.Pp 47Since the YP master transfers a map when it has changed, an YP slave should 48check for missed maps regularly. 49This can be done via an entry in 50.Xr crontab 5 . 51The scripts 52.Ar ypxfr_1perhour , ypxfr_2perday 53and 54.Ar ypxfr_1perday 55could be used for that. 56.Pp 57The options are as follows: 58.Bl -tag -width Ds 59.It Fl C Ar tid prog ipadd port 60This option is only used by ypserv. 61This is to open communication with a yppush on another host. 62.It Fl c 63Don't send a "Clear current map" to local ypserv process. 64Useful if ypserv isn't running localy to avoid timeout message. 65.It Fl d Ar domain 66Don't use default domain, use the specified domain. 67.It Fl f 68Force map transfer, even if version of master is older than local copy. 69.It Fl h Ar host 70Get map from host instead of the maps master host. 71.It Fl s Ar domain 72Specify a source domain other than the target domain. 73.El 74.Sh FILES 75.Bl -tag -width /usr/sbin/ypxfr_1perhour -compact 76.It Pa /usr/sbin/ypxfr_1perhour 77.It Pa /usr/sbin/ypxfr_2perday 78.It Pa /usr/sbin/ypxfr_1perday 79.El 80.Sh SEE ALSO 81.Xr yp 8 , 82.Xr yppush 8 , 83.Xr ypserv 8 84.Sh AUTHORS 85.An Mats O Jansson Aq moj@stacken.kth.se 86