4df223aaf6
. add Xrs to hosts.equiv(5), auth.conf(5), services(5) to some pages . sort Xrs in SEE ALSO sections Patches based on PR: docs/15680 Submitted by: Christian Weisgerber <naddy@mips.rhein-neckar.de>
190 lines
5.0 KiB
Groff
190 lines
5.0 KiB
Groff
.\" Copyright (c) 1983, 1990, 1993
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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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.\" @(#)rsh.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd June 6, 1993
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.Dt RSH 1
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.Os BSD 4.2
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.Sh NAME
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.Nm rsh
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.Nd remote shell
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.Sh SYNOPSIS
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.Nm
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.Op Fl Kdnx
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.Op Fl t Ar timeout
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.Op Fl k Ar realm
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.Op Fl l Ar username
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.Ar host
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.Op command
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.Sh DESCRIPTION
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.Nm Rsh
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executes
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.Ar command
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on
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.Ar host .
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.Pp
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.Nm Rsh
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copies its standard input to the remote command, the standard
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output of the remote command to its standard output, and the
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standard error of the remote command to its standard error.
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Interrupt, quit and terminate signals are propagated to the remote
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command;
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.Nm
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normally terminates when the remote command does.
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The options are as follows:
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.Bl -tag -width flag
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.It Fl K
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Turn off all Kerberos authentication.
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.It Fl d
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Turn on socket debugging (using
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.Xr setsockopt 2 )
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on the
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.Tn TCP
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sockets used for communication with the remote host.
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.It Fl k Ar realm
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Cause
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.Nm
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to obtain tickets for the remote host in
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.Ar realm
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instead of the remote host's realm as determined by
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.Xr krb_realmofhost 3 .
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.It Fl l Ar username
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Allow the remote
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.Ar username
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to be specified.
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By default, the remote username is the same as the local username.
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Kerberos authentication is used, and authorization is determined
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as in
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.Xr rlogin 1 .
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.It Fl n
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Redirect input from the special device
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.Pa /dev/null
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(see the
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.Sx BUGS
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section of this manual page).
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.It Fl x
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Turn on
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.Tn DES
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encryption for all data exchange.
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This may introduce a significant delay in response time.
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.It Fl t Ar timeout
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Allow a
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.Ar timeout
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to be specified (in seconds). If no
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data is sent or received in this time,
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.Nm
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will exit.
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.El
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.Pp
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If no
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.Ar command
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is specified, you will be logged in on the remote host using
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.Xr rlogin 1 .
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.Pp
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Shell metacharacters which are not quoted are interpreted on local machine,
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while quoted metacharacters are interpreted on the remote machine.
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For example, the command
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.Pp
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.Dl rsh otherhost cat remotefile >> localfile
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.Pp
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appends the remote file
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.Ar remotefile
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to the local file
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.Ar localfile ,
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while
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.Pp
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.Dl rsh otherhost cat remotefile \&">>\&" other_remotefile
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.Pp
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appends
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.Ar remotefile
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to
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.Ar other_remotefile .
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.\" .Pp
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.\" Many sites specify a large number of host names as commands in the
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.\" directory /usr/hosts.
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.\" If this directory is included in your search path, you can use the
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.\" shorthand ``host command'' for the longer form ``rsh host command''.
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.Sh FILES
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.Bl -tag -width /etc/hosts -compact
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.It Pa /etc/hosts
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.It Pa /etc/auth.conf
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.El
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.Sh SEE ALSO
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.Xr rlogin 1 ,
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.Xr setsockopt 2 ,
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.Xr kerberos 3 ,
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.Xr krb_realmofhost 3 ,
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.Xr krb_sendauth 3 ,
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.Xr rcmd 3 ,
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.Xr ruserok 3 ,
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.Xr auth.conf 5 ,
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.Xr hosts.equiv 5 ,
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.Xr hosts 5 ,
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.Xr rlogind 8 ,
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.Xr rshd 8 .
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.2 .
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.Sh BUGS
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If you are using
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.Xr csh 1
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and put a
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.Nm
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in the background without redirecting its input away from the terminal,
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it will block even if no reads are posted by the remote command.
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If no input is desired you should redirect the input of
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.Nm
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to
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.Pa /dev/null
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using the
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.Fl n
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option.
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.Pp
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You cannot run an interactive command
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(like
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.Xr rogue 6
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or
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.Xr vi 1 )
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using
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.Nm Ns ;
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use
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.Xr rlogin 1
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instead.
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.Pp
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Stop signals stop the local
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.Nm
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process only; this is arguably wrong, but currently hard to fix for reasons
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too complicated to explain here.
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