Date: Sun, 19 Sep 2004 20:14:33 +0000 From: Benjamin Sobotta <mayday@gmx.net> To: Tom Joyce <tomjoyce@gmail.com> Cc: freebsd-newbies@freebsd.org Subject: Re: can someone explain crontab to me better? Message-ID: <200409192014.33009.mayday@gmx.net> In-Reply-To: <67f3d6150409191055645dead2@mail.gmail.com> References: <5c389d3b040919104228593a14@mail.gmail.com> <67f3d6150409191055645dead2@mail.gmail.com>
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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 <robg.list@gmail.com> 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"
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