11-02-2009
It always helps to know what Operating System (with version) and shell you are running. In this case an overview of the communications setup between the servers would also help.
Assuming that each remote host is set up to respond to "rwall", use "rwall". Otherwise assuming that each remote host is set up to respond to "remsh", issue a "wall" from "remsh".
If you have no way of running a unix command on the remote server the task is impossible.
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Dear all,
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regards
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LEARN ABOUT FREEBSD
rwall
RWALL(1) BSD General Commands Manual RWALL(1)
NAME
rwall -- send a message to users logged on a host
SYNOPSIS
rwall host [file]
DESCRIPTION
The rwall command sends a message to the users logged into the specified host. The message to be sent can be typed in and terminated with
EOF or it can be in a file.
DIAGNOSTICS
rwall: RPC: Program not registered The rpc.rwalld(8) daemon has not been started on the remote host.
rwall: RPC: Timed out A communication error occurred. Either the network is excessively congested, or the rpc.rwalld(8) daemon has termi-
nated on the remote host.
rwall: RPC: Port mapper failure - RPC: Timed out The remote host is not running the portmapper (see rpcbind(8)), and cannot accommodate any
RPC-based services. The host may be down.
SEE ALSO
who(1), rpc.rwalld(8), rpcbind(8)
HISTORY
The rwall command appeared in Sun-OS.
BUGS
The sorting options are not implemented.
BSD
April 23, 1991 BSD