1.\" Copyright (c) 1983, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 4. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)logger.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD$ 30.\" 31.Dd March 21, 2015 32.Dt LOGGER 1 33.Os 34.Sh NAME 35.Nm logger 36.Nd make entries in the system log 37.Sh SYNOPSIS 38.Nm 39.Op Fl 46Ais 40.Op Fl f Ar file 41.Op Fl h Ar host 42.Op Fl P Ar port 43.Op Fl p Ar pri 44.Op Fl t Ar tag 45.Op Ar message ... 46.Sh DESCRIPTION 47The 48.Nm 49utility provides a shell command interface to the 50.Xr syslog 3 51system log module. 52.Pp 53The following options are available: 54.Bl -tag -width indent 55.It Fl 4 56Force 57.Nm 58to use IPv4 addresses only. 59.It Fl 6 60Force 61.Nm 62to use IPv6 addresses only. 63.It Fl A 64By default, 65.Nm 66tries to send the message to only one address, 67even if the host has more than one A or AAAA record. 68If this option is specified, 69.Nm 70tries to send the message to all addresses. 71.It Fl i 72Log the process id of the logger process 73with each line. 74.It Fl s 75Log the message to standard error, as well as the system log. 76.It Fl f Ar file 77Read the contents of the specified file into syslog. 78This option is ignored when a message is also specified. 79.It Fl h Ar host 80Send the message to the remote system 81.Ar host 82instead of logging it locally. 83.It Fl P Ar port 84Send the message to the specified 85.Ar port 86number on a remote system, 87which can be specified as a service name 88or as a decimal number. 89The default is 90.Dq Li syslog . 91If an unknown service name is used, 92.Nm 93prints a warning and falls back to port 514. 94.It Fl p Ar pri 95Enter the message with the specified priority. 96The priority may be specified numerically or as a ``facility.level'' 97pair. 98For example, ``\-p local3.info'' logs the message(s) as 99.Ar info Ns rmational 100level in the 101.Ar local3 102facility. 103The default is ``user.notice.'' 104.It Fl t Ar tag 105Mark every line in the log with the specified 106.Ar tag 107rather than the default of current login name. 108.It Ar message 109Write the message to log; if not specified, and the 110.Fl f 111flag is not 112provided, standard input is logged. 113.El 114.Sh EXIT STATUS 115.Ex -std 116.Sh EXAMPLES 117.Bd -literal -offset indent -compact 118logger System rebooted 119 120logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc 121.Ed 122.Sh SEE ALSO 123.Xr syslog 3 , 124.Xr syslogd 8 125.Sh STANDARDS 126The 127.Nm 128command is expected to be 129.St -p1003.2 130compatible. 131