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Full Discussion: Cron Tab entries
Top Forums Shell Programming and Scripting Cron Tab entries Post 302357511 by Shazin on Wednesday 30th of September 2009 03:58:34 AM
Old 09-30-2009
Cron Tab entries

Hi All,

I am required to make a crontab entry, I have the below requirement:
Code:
1. It should execute at 06:15 12:00 and 18:30
2. It should execute every day of the month for all the 30 days

I am going to add the below entry in the crontab file.
Code:
15,0,30 6,12,18 * * 0-6 cd path_of_the_path ; ./script_name

As this is a critical script for my application, we do not require to mess it up even for a single time.

Please advise if it will work fine.

Cheers,
Shazin
 

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KEP_RELOAD(1)						      General Commands Manual						     KEP_RELOAD(1)

NAME
kep_reload - Update Predict's Keplerian elements SYNOPSIS
kep_reload DESCRIPTION
KEP_RELOAD is a simple utility that forces an immediate reload of PREDICT's Keplerian database through a socket connection while PREDICT is running in server mode. It is especially useful in environments where PREDICT runs continuously, and periodic Keplerian element updates are made outside of PREDICT, such as through scripts run through a crontab. The "kepupdate" script found in this directory is an example of a Keplerian element update script that can be run on an automated basis through a crontab. It is designed to be placed in your home directory under a subdirectory called "cronjobs". It downloads Keplerian orbital data from www.celestrak.com using the HTTP protocol. (The "wget" utility, available from the Free Software Foundation, is required, and is included in many Linux distrubutions.) Type crontab -e to edit your crontab. Simply add the following entry: 0 8 * * * kepupdate and your orbital database will update each morning at 8:00 AM (provided you have a network connection at that time). See the crontab man page for more information on editing your crontab. AUTHOR
This man page was written by A. Maitland Bottoms, AA4HS, for Debian GNU/Linux. 31 August 2003 KEP_RELOAD(1)
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