Date: Wed, 06 Nov 2013 10:57:12 +0200 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: Mark Felder <feld@FreeBSD.org>, freebsd-current@freebsd.org Subject: Re: cron(8) improvement Message-ID: <527A0468.7020600@gmail.com> In-Reply-To: <1383675687.8053.43379365.3F5A71FC@webmail.messagingengine.com> References: <52792B60.1030309@allanjude.com> <52792CF3.9050104@mail.lifanov.com> <1383675687.8053.43379365.3F5A71FC@webmail.messagingengine.com>
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05.11.2013 20:21, Mark Felder wrote: > > > On Tue, Nov 5, 2013, at 11:37, Nikolai Lifanov wrote: >> On 11/05/13 12:31, Allan Jude wrote: >>> This came up in discussion on IRC and I thought I should throw it at the >>> list so I don't forget. >>> >>> A user was asking how to do what linux cron does, where there is a >>> directory /etc/cron.d/ that packages and add files to to create crontabs. >>> >>> Making FreeBSD's cron (Vixie Cron) include /etc/cron.d/ and >>> /usr/local/etc/cron.d/ in the /etc/crontab format seems like a very >>> useful feature, especially for pkg(8) as it makes it easy and safe to >>> programatically add and remove crontabs as part of a package. >>> >>> >> >> Shouldn't we encourage packages to use periodic(8) when possible? >> > > Yes but our default periodic configuration in /etc/crontab is only > configured to be as granular as daily. If this is something that should > run hourly or at very strange intervals then cron is a better choice. So why we shouldn't add something like: 0 * * * * root periodic hourly @reboot root periodic reboot I already do this on some machines to take hourly and boot snapshots with zfSnap. And I think periodic is much better place for such tasks. -- Sphinx of black quartz, judge my vow.
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