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Top Forums Shell Programming and Scripting Difference between these cron commands Post 302640315 by subway69 on Monday 14th of May 2012 12:59:51 PM
Old 05-14-2012
Quote:
Originally Posted by methyl
First cron: Hourly except at 20:00 . What did you intend? I'm assuming that this certain editions of Linux because the syntax is invalid in unix.

Second cron: every 20 mins (On the hour; twenty minutes past the hour; and forty minutes past the hour).

Third cron: At 20 minutes past every hour.
I'm just learning syntax differences. Thank you for your reply I appreciate it!
 

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yum-cron(8)															       yum-cron(8)

NAME
yum-cron - an interface to convieniently call yum from cron SYNOPSIS
yum-cron [config-file] DESCRIPTION
yum-cron is an alternate interface to yum that is optimised to be convenient to call from cron. It provides methods to keep repository metadata up to date, and to check for, download, and apply updates. Rather than accepting many different command line arguments, the dif- ferent functions of yum-cron can be accessed through config files. config-file is used to optionally specify the path to the configuration file to use. If it is not given, the default configuration file will be used. It is useful to be able to specify different configuration files for different use cases. For example, one configuration file might be set to update the repository metadata, and a line could be added to the crontab to run yum-cron frequently using this file. Then, another configuration file might be set to install updates, and yum-cron could be run from cron using this file just once each day. FILES
/etc/yum/yum-cron.conf /etc/yum/yum-cron-hourly.conf SEE ALSO
yum (8) AUTHORS
See the Authors file included with this program. BUGS
There of course aren't any bugs, but if you find any, you should email the mailing list, yum@lists.baseurl.org, or consult bugzilla. Nick Jacek yum-cron(8)
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