Aug 12, 2011
tom
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knowning how much time is left before cron weekly runs?

Question

I am on debian 6.

Any way to see how many days are left before the cron weekly starts?

Answer

The system crontab is usually defined in /etc/crontab/. It’s here that the time interval for cron.weekly, cron.daily, etc is defined. My /etc/crontab/ looks like:

SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin# m h dom mon dow user command
 17 * *   *   *   root cd / && run-parts --report /etc/cron.hourly
 25 6 *   *   *   root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
 47 6 *   *   7   root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
 52 6 1   *   *   root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )

So my cron.weekly will run at 6:47 on the 7th day of the week.

Edit:
The above information only applies to scripts in the /etc/cron.weekly directory. As pointed out by Iain, @weekly is defined to run at midnight on Sunday.

Check more discussion of this question.

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