On Mon, Sep 11, 2006 at 11:30:59AM -0400, juan luis montoya rivadineira wrote:
Hi Juan.
> Hello list's friends:
> I'm working with RRDTool two weeks ago. I'm trying to graphics about the

> #!/bin/bash
> 
> d=`snmpget -v2c -OQv -c sofasp 200.87.13.1 .1.3.6.1.4.1.9.9.109.1.1.1.1.3.1`
> 
> a=`perl -e 'print time, "\n" '`
> 
> /usr/bin/rrdtool update prueba0.rrd $a:$d >/dev/null
>
> When I run it in the command line (with sh prueba0.sh), it work fine, but
> with the crontab, the Data Base is not updated well. I put this line.
> 
> */5     *       *       *       *       /bin/sh
> /srv/www/htdocs/pruebas/prueba0.sh >/dev/null 2>&1
At first use the absolute path to prueba0.rrd.

Cron starts in the $HOME directory of the user which runs the cronjob,
so it may be possible that it wont find the rrd-file if you don't
use a absolute path.

Second ... If it don't work _please_ remove the redirection of
stdin and stderr to /dev/null ("... >/dev/null 2>&1").
You will miss any error message from the cronjob.

HTH,

Andreas.

-- 
Dipl.-Ing. Andreas Maus             science+computing ag
System Administration               Hagellocher Weg 73
mail: a.maus@science-computing.de   72070 Tuebingen, Germany
tel.: +49 7071 9457 456             www.science-computing.de

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