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.\" $OpenBSD: rup.1,v 1.13 2007/05/31 19:20:15 jmc Exp $
.\"
.\" Copyright (c) 1985, 1991 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"
.Dd $Mdocdate: May 31 2007 $
.Dt RUP 1
.Os
.Sh NAME
.Nm rup
.Nd remote status display
.Sh SYNOPSIS
.Nm rup
.Op Fl dhlt
.Op Ar host ...
.Sh DESCRIPTION
.Nm
displays a summary of the current system status of a particular
.Ar host
or all hosts on the local network.
The output shows the current time of day, how long the system has
been up,
and the load averages.
The load average numbers give the number of jobs in the run queue
averaged over 1, 5, and 15 minutes.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d
For each host, report what its local time is.
This is useful for checking time synchronization on a network.
.It Fl h
Sort the display alphabetically by host name.
.It Fl l
Sort the display by load average.
.It Fl t
Sort the display by up time.
.El
.Pp
The
.Xr rpc.rstatd 8
daemon must be running on the remote host for this command to
work.
.Nm
uses an RPC protocol defined in
.Pa /usr/include/rpcsvc/rstat.x .
.Sh EXAMPLES
.Bd -literal -offset indent
$ rup otherhost
otherhost up 6 days, 16:45, load average: 0.20, 0.23, 0.18
.Ed
.Sh DIAGNOSTICS
.Bl -diag
.It rup: RPC: Program not registered
The
.Xr rpc.rstatd 8
daemon has not been started on the remote host.
.It rup: RPC: Timed out
A communication error occurred.
Either the network is excessively congested, or the
.Xr rpc.rstatd 8
daemon has terminated on the remote host.
.It rup: RPC: Port mapper failure - RPC: Timed out
The remote host is not running the portmapper (see
.Xr portmap 8 ) ,
and cannot accommodate any RPC-based services.
The host may be down.
.El
.Sh SEE ALSO
.Xr ruptime 1 ,
.Xr portmap 8 ,
.Xr rpc.rstatd 8
.Sh HISTORY
The
.Nm
command
appeared in SunOS.
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