1.\" 2.\" Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd May 26, 2008 29.Dt JEXEC 8 30.Os 31.Sh NAME 32.Nm jexec 33.Nd "execute a command inside an existing jail" 34.Sh SYNOPSIS 35.Nm 36.Op Fl u Ar username | Fl U Ar username 37.Op Ar jid | Ar hostname | Ar ip-number 38.Ar command ... 39.Sh DESCRIPTION 40The 41.Nm 42utility executes 43.Ar command 44inside the jail identified by 45.Ar jid 46or 47.Ar hostname 48or 49.Ar ip-number . 50.Pp 51The following options are available: 52.Bl -tag -width indent 53.It Fl u Ar username 54The user name from host environment as whom the 55.Ar command 56should run. 57.It Fl U Ar username 58The user name from jailed environment as whom the 59.Ar command 60should run. 61.El 62.Sh "CAUTIONS" 63Only jid is guaranteed to uniquely identify a jail. 64For hostname or ip-number to work here unambiguousness of one or both 65of them have to be assured beforehand. 66.Sh SEE ALSO 67.Xr jail_attach 2 , 68.Xr jail 8 , 69.Xr jls 8 70.Sh HISTORY 71The 72.Nm 73utility was added in 74.Fx 5.1 . 75