From owner-freebsd-questions@FreeBSD.ORG Tue Jul 22 10:00:52 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6EE7C37B405 for ; Tue, 22 Jul 2003 10:00:52 -0700 (PDT) Received: from bragi.housing.ufl.edu (bragi.housing.ufl.edu [128.227.47.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id BC17F43F75 for ; Tue, 22 Jul 2003 10:00:51 -0700 (PDT) (envelope-from WillS@housing.ufl.edu) content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft Exchange V6.0.6249.0 Date: Tue, 22 Jul 2003 13:00:50 -0400 Message-ID: <0E972CEE334BFE4291CD07E056C76ED8CBBCF8@bragi.housing.ufl.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Sending System Messages Thread-Index: AcNQcH2QpUYaupoTTCufAv/aAtBsWwAAPv0Q From: "Will Saxon" To: "Peter Elsner" , "Justin P. Michel" cc: freebsd-questions@FreeBSD.ORG Subject: RE: Sending System Messages X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jul 2003 17:00:52 -0000 > -----Original Message----- > From: Peter Elsner [mailto:peter@servplex.com] > Sent: Tuesday, July 22, 2003 12:44 PM > To: Justin P. Michel > Cc: freebsd-questions@FreeBSD.ORG > Subject: Re: Sending System Messages >=20 >=20 > Don't know about Windows clients, but wall will do it for=20 > anyone connected=20 > to Unix... >=20 > man wall >=20 > Peter Samba can certainly send popup messages to any machine that supports = NetBIOS messages. We do something along these lines by first querying an = IP for its netbios name and messenger service status with nmblookup = (nmblookup -A ip_address) and then sending a message if we know the = client supports it (smbclient -I ip_address -M NAME -UBig\ Brother\ Is\ = Watching). I have never tried to send a message to an entire domain, although it = would seem that using the workgroup or domain name might work.=20 Not knowing how it actually works, I would guess Microsoft does not do = this. I only know how to send mass messages like this through Server = Manager, which also details who all is connected to a particular server. = I think MS probably just takes this list and sends a separate message to = each connected host. -Will