From owner-freebsd-newbies@FreeBSD.ORG Sun Sep 19 18:04:34 2004 Return-Path: Delivered-To: freebsd-newbies@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5798216A4CF for ; Sun, 19 Sep 2004 18:04:34 +0000 (GMT) Received: from mail.gmx.net (mail.gmx.de [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 066CB43D2F for ; Sun, 19 Sep 2004 18:04:30 +0000 (GMT) (envelope-from mayday@gmx.net) Received: (qmail 10316 invoked by uid 65534); 19 Sep 2004 18:04:28 -0000 Received: from pD95EE1AF.dip0.t-ipconnect.de (EHLO [192.168.0.5]) (217.94.225.175) by mail.gmx.net (mp004) with SMTP; 19 Sep 2004 20:04:28 +0200 X-Authenticated: #431110 From: Benjamin Sobotta To: Tom Joyce Date: Sun, 19 Sep 2004 20:14:33 +0000 User-Agent: KMail/1.6.2 References: <5c389d3b040919104228593a14@mail.gmail.com> <67f3d6150409191055645dead2@mail.gmail.com> In-Reply-To: <67f3d6150409191055645dead2@mail.gmail.com> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200409192014.33009.mayday@gmx.net> cc: freebsd-newbies@freebsd.org Subject: Re: can someone explain crontab to me better? X-BeenThere: freebsd-newbies@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Gathering place for new users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Sep 2004 18:04:34 -0000 hi again I'm not quite sure but I think your command * */2 * * * root /usr/libexec/locate.updatedb would make it run every minute every second hour. On Sunday 19 September 2004 17:55, Tom Joyce wrote: > I believe that you would simply set 2 hours, as in: > > * */2 * * * root /usr/libexec/locate.updatedb > > That would run the script in /usr/libexec/ called "locate.updatedb" > every 2 hours, taking as long as it needs to. > > Please correct me if anyone knows more about it than I do. > Thanks... > > On Sun, 19 Sep 2004 13:42:36 -0400, robg wrote: > > hi, > > > > i am having a hard time understanding crontab after reading > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/configtuning-cr > >on.html .. i still can't understand the minutes/hours... > > > > when you specify minutes, does it mean the command is run every X > > minutes? and if you specify a hour AND minutes, the command is run > > every X hours for X minutes? so if i did > > > > */5 */2 * * * root /usr/libexec/locate.updatedb > > > > it would run that command every two hours for 5 minutes? so when two > > hours comes around, itll keep running that command over and over for 5 > > minutes? or will it run that command once every 5 minutes for two > > hours? im confused > > > > i just want to know the syntax to run something every 2 hours once .. > > can someone clarify this > > > > thanks > > > > -- > > robg > > robg.list@gmail.com > > _______________________________________________ > > freebsd-newbies@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-newbies > > To unsubscribe, send any mail to > > "freebsd-newbies-unsubscribe@freebsd.org"