From owner-freebsd-questions@FreeBSD.ORG Fri Apr 14 15:40:44 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 EB74116A400 for ; Fri, 14 Apr 2006 15:40:44 +0000 (UTC) (envelope-from freebsd@dfwlp.com) Received: from zeus.int.dfwlp.com (zeus.dfwlp.com [208.11.134.127]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7379043D48 for ; Fri, 14 Apr 2006 15:40:44 +0000 (GMT) (envelope-from freebsd@dfwlp.com) Received: from mail.dfwlp.com (localhost.int.dfwlp.com [127.0.0.1]) by zeus.int.dfwlp.com (8.13.6/8.13.4) with ESMTP id k3EFegbW012332 for ; Fri, 14 Apr 2006 10:40:42 -0500 (CDT) (envelope-from freebsd@dfwlp.com) Received: from 208.11.134.3 (SquirrelMail authenticated user jhorne) by mail.dfwlp.com with HTTP; Fri, 14 Apr 2006 10:40:42 -0500 (CDT) Message-ID: <5507.208.11.134.3.1145029242.squirrel@mail.dfwlp.com> Date: Fri, 14 Apr 2006 10:40:42 -0500 (CDT) From: "Jonathan Horne" To: freebsd-questions@freebsd.org User-Agent: SquirrelMail/1.4.6 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Spam-Status: No, score=-1.4 required=5.0 tests=ALL_TRUSTED autolearn=failed version=3.1.1 X-Spam-Checker-Version: SpamAssassin 3.1.1 (2006-03-10) on zeus.int.dfwlp.com Subject: Proper Method of Time Sync? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd@dfwlp.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Apr 2006 15:40:45 -0000 i have read about 2 methods to sync the time on a freebsd box. 1) add these entries to /etc/rc.conf: ntpdate_enable="YES" ntpdate_flags="us.pool.ntp.org" ... and let the system do a one-time sync at bootup, and rely on this single method for timesync. 2) add this entry to /etc/rc.conf ntpd_enable="YES" add the file with these contents to /etc/rc.conf: server us.pool.ntp.org driftfile /var/db/ntp.drift restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap so, i have a workstation and a server, which i originally did method 1 on, but soon enough, time drifted quite a bit. so i switched it to the 2nd method, and they appear to be sync'd perfectly. a third box i set up, i did only method 2, and this one did not stay synced at all. after i manually ran 'ntpdate -v -b us.pool.ntp.org', this box straightend up. are both methods required for proper time syncronization, or can one rely only on the ntpd method? thanks, Jonathan Horne