From owner-freebsd-questions@FreeBSD.ORG Wed Jun 6 12:51:37 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 12C9F1065673 for ; Wed, 6 Jun 2012 12:51:37 +0000 (UTC) (envelope-from guru@unixarea.de) Received: from ms16-1.1blu.de (ms16-1.1blu.de [89.202.0.34]) by mx1.freebsd.org (Postfix) with ESMTP id BE87A8FC14 for ; Wed, 6 Jun 2012 12:51:36 +0000 (UTC) Received: from [89.204.138.243] (helo=tiny.Sisis.de) by ms16-1.1blu.de with esmtpsa (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1ScFhx-0001VS-AP for freebsd-questions@freebsd.org; Wed, 06 Jun 2012 14:51:30 +0200 Received: from tiny.Sisis.de (localhost [127.0.0.1]) by tiny.Sisis.de (8.14.5/8.14.3) with ESMTP id q56CpQq0002089 for ; Wed, 6 Jun 2012 14:51:27 +0200 (CEST) (envelope-from guru@unixarea.de) Received: (from guru@localhost) by tiny.Sisis.de (8.14.5/8.14.3/Submit) id q56CpQTX002088 for freebsd-questions@freebsd.org; Wed, 6 Jun 2012 14:51:26 +0200 (CEST) (envelope-from guru@unixarea.de) X-Authentication-Warning: tiny.Sisis.de: guru set sender to guru@unixarea.de using -f Date: Wed, 6 Jun 2012 14:51:26 +0200 From: Matthias Apitz To: freebsd-questions@freebsd.org Message-ID: <20120606125125.GA2043@tiny> References: <1338973608.78319.YahooMailNeo@web162906.mail.bf1.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1338973608.78319.YahooMailNeo@web162906.mail.bf1.yahoo.com> X-Operating-System: FreeBSD 10.0-CURRENT r226986 (i386) User-Agent: Mutt/1.5.21 (2010-09-15) X-Con-Id: 51246 X-Con-U: 0-guru X-Originating-IP: 89.204.138.243 Subject: Re: IP -> e-mail X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Matthias Apitz List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jun 2012 12:51:37 -0000 El día Wednesday, June 06, 2012 a las 02:06:48AM -0700, Dánielisz László escribió: > Hi everybody, > > Let say my computer is connected to the internet with a cable modem and has a dynamic IP address via DHCP. This address is refreshed after every random days. > I want to know the new address even when I'm not home. Like send an e-mail with the new IP, I already know how to do this, but how can I track the event when my computer receives the new IP? > Any ideas or same issues? Hi, Run this in a cronjob: lynx -dump myip.nl | fgrep 'WAN IP' strore the result in a file and when it changes, trigger a mail; HIH matthias -- Matthias Apitz e - w http://www.unixarea.de/ UNIX since V7 on PDP-11, UNIX on mainframe since ESER 1055 (IBM /370) UNIX on x86 since SVR4.2 UnixWare 2.1.2, FreeBSD since 2.2.5