From owner-freebsd-questions@FreeBSD.ORG Mon Jul 7 05:43:29 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BF7B1CE9 for ; Mon, 7 Jul 2014 05:43:29 +0000 (UTC) Received: from server1.xenet.de (server1out.xenet.de [213.221.94.200]) by mx1.freebsd.org (Postfix) with ESMTP id 54BBB2BA2 for ; Mon, 7 Jul 2014 05:43:28 +0000 (UTC) Received: from [10.0.0.32] (intern.xenet.de [213.221.94.50]) (authenticated bits=0) by server1.xenet.de (8.12.5/8.12.5) with ESMTP id s675hIBf053050 for ; Mon, 7 Jul 2014 07:43:21 +0200 (CEST) (envelope-from meyser@xenet.de) Message-ID: <53BA336A.2090703@xenet.de> Date: Mon, 07 Jul 2014 07:43:06 +0200 From: Matthias Meyser Organization: XeNET GmbH, Clausthal-Zellerfeld User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Re: Re: Updating and displaying CMOS clock References: <20140706153206.GA46262@admin.sibptus.tomsk.ru> <53B9BC4B.4030609@gooch.io> <20140707021022.GB58025@admin.sibptus.tomsk.ru> <53BA0493.1030205@gooch.io> <20140707034300.GA60208@admin.sibptus.tomsk.ru> <20140707045720.GA63735@admin.sibptus.tomsk.ru> In-Reply-To: <20140707045720.GA63735@admin.sibptus.tomsk.ru> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.38 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Jul 2014 05:43:29 -0000 Am 07.07.2014 06:57, schrieb Victor Sudakov: > Olivier Nicole wrote: >> >>>> The drift on clocks integrated into computers these days is pretty >>>> terrible AFAIK, which is why NTP is so widespread. >>> If the hardware clock is updated maybe daily, I don't expect any >>> significant drift. >> >> If all you need is a daily update, why not a cron to restart ntp once >> a day? > > Because no matter how often you restart ntp, it does not update the > CMOS (hardware) clock. > > My question was about updating the CMOS clock. > > "adjkerntz" does this. via "/etc/rc" on system boot an shutdown an via "/etc/crontab" periodically perhaps you habe "cron" disables on your system? CU Matthias -- Matthias Meyser | XeNET GmbH Tel.: +49-5323-9489050 | 38678 Clausthal-Zellerfeld, Marktstrasse 40 Fax: +49-5323-9489059 | Registergericht: Amtsgericht Braunschweig HRB 110823 Email: Meyser@xenet.de | Geschaeftsfuehrer: Matthias Meyser