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Full Discussion: Cron-Noob
Top Forums Shell Programming and Scripting Cron-Noob Post 302690297 by methyl on Wednesday 22nd of August 2012 06:52:25 PM
Old 08-22-2012
Yes, write a simple one-off cron containing something like
Code:
env > /tmp/cronenv.txt

It can be most revealing to find out how basic the environment is when running from cron. It is extremely unlikely that the default $PATH will know about Perl (... unless you have changed it). The normal fix is to write a Shell script which sets up (and exports) the Environment Variables you need and then runs the Perl script.

If you cron is failing for a fundamental reason the error messages will be in unix mail for the owner of the cron.


To answer in any further detail, please post what Operating System and version you are running and what Shell you use for system scripts. You need to post this basic information in every thread.
This User Gave Thanks to methyl For This Post:
Jaymoney
 

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LEARN ABOUT DEBIAN

apticron

apticron(1)						      General Commands Manual						       apticron(1)

NAME

       apticron - Generate a mail listing packages which are pending an upgrade

SYNOPSIS

       apticron [--cron]

DESCRIPTION

       apticron is a shell script which generates a mail with a list of all packages currently pending an upgrade, as well as summary of changes -
       using apt-listchanges - to a configurable Email address.

       apticron is mainly intended for automatic notification of pending security updates but can also be used	in  many  other  situations  where
       timely updates are necessary.

       The --cron option is only meant to be used when invoked by cron in order to run no more than once a day.

FILES

       /etc/apticron/apticron.conf
	      Configuration file, Email address to mail and profile for use with apt-listchanges are configurable.

       /etc/cron.d/apticron
	      Cron job for executing apticron daily.

       /etc/cron.daily/apticron
	      Fallback cron script for executing apticron (if no crond running or system down at designated time).

       /var/lib/misc/apticron.cron
	      Time stamp file used by apticron when invoked with --cron option.

SEE ALSO

       apt-get(8), apt-listchanges(1), cron(8)

AUTHOR

       Apticron  was initially developed by Colm MacCarthaigh <colm.maccarthaigh@heanet.ie> with contributions from Marc Sherman <msherman@projec-
       tile.ca>. Since 2006 it is maintained and improved by Tiago Bortoletto Vaz <tiago@debian.org>.

																       apticron(1)
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