1.\" $OpenBSD: mountd.8,v 1.20 2015/12/15 18:24:18 tim Exp $ 2.\" $NetBSD: mountd.8,v 1.11 1996/02/18 11:57:51 fvdl Exp $ 3.\" 4.\" Copyright (c) 1989, 1991, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)mountd.8 8.4 (Berkeley) 4/28/95 32.\" 33.Dd $Mdocdate: December 15 2015 $ 34.Dt MOUNTD 8 35.Os 36.Sh NAME 37.Nm mountd 38.Nd service remote NFS mount requests 39.Sh SYNOPSIS 40.Nm mountd 41.Op Fl d 42.Op Ar exportsfile 43.Sh DESCRIPTION 44.Nm 45is the server for NFS mount requests from other client machines. 46.Nm 47listens for service requests at the port indicated in the NFS 48server specification; see 49.%T "Network File System Protocol Specification" , 50RFC 1094, Appendix A and 51.%T "NFS: Network File System Version 3 Protocol Specification" , 52RFC 1813, Appendix I. 53.Pp 54The options are as follows: 55.Bl -tag -width Ds 56.It Fl d 57Enable debugging mode. 58.Nm 59will not detach from the controlling terminal and will print 60debugging messages to stderr. 61.It Ar exportsfile 62The 63.Ar exportsfile 64argument specifies an alternate location 65for the exports file. 66.El 67.Pp 68When 69.Nm 70is started, 71it loads the export host addresses and options into the kernel 72using the 73.Xr mount 2 74system call. 75After changing the exports file, 76a hangup signal should be sent to the 77.Nm 78daemon 79to get it to reload the export information. 80After sending the 81.Dv SIGHUP 82(kill \-HUP `cat /var/run/mountd.pid`), 83check the syslog output to see if 84.Nm 85logged any parsing 86errors in the exports file. 87.Sh FILES 88.Bl -tag -width /var/run/mountd.pid -compact 89.It Pa /etc/exports 90list of exported filesystems 91.It Pa /var/db/mountdtab 92list of exported filesystems currently mounted 93.It Pa /var/run/mountd.pid 94PID of the currently running 95.Nm 96.El 97.Sh SEE ALSO 98.Xr nfsstat 1 , 99.Xr exports 5 , 100.Xr nfsd 8 , 101.Xr portmap 8 , 102.Xr showmount 8 103.Sh HISTORY 104The 105.Nm 106utility first appeared in 107.Bx 4.4 . 108.Pp 109The 110.Fl n 111flag historically allowed clients to use non-reserved ports 112when communicating with 113.Nm . 114In 115.Ox , 116a reserved port is always used. 117