I'm not familiar with cacti, but the # at the beginning of the cron
line will cause cron to not run the command as it looks at the line as
a comment. If it's just a problem of cron not running the command that
should fix it.

The "> /dev/null 2>&1" is sending all output from the php script to
the bit-bucket. If the script is creating files and writing to them
then this is perfectly fine.

Brant

On 3/19/07, Bryan O'Neal <BONeal@cornerstonehome.com> wrote:
>
>
>
>
> Ok, so I set it all up, but there were no graphs, so I read the docs and
> tested by executing poller.php manual, at which point the rra data appeared
> and I had graphs, but no data on those graphs.  I reset the permissions on
> the .rrd files to cacti/cacti 664 but still nothing.  I checked cron and it
> had a cacti file in cron.d with the line
>
> #*/5 * * * *         cacti     /usr/bin/php /usr/share/cacti/poller.php >
> /dev/null 2>&1
>
> And if I execute /usr/bin/php /usr/share/cacti/poller.php directly it does
> work to refresh the data in /usr/share/cacti/rra/ but I am not sure what >
> dev/null 2>&1 is doing.  If I execute poller with that on the end it does
> not seem to do anything.  And still no graph data.
>
>
>
> I am using cacti 0.8.6i with php 5.1.6 and snmp V1 to get data and if I run
> 'snmpget -v 1 -c public 192.168.2.50 1.3.6.1.2.1.2.2.1.10.51' from the
> command line I get counter data.
>
>
>
> Any thoughts?
>
>
>
>
>
> Bryan O'Neal
>  Cornerstone Homes & Development, Inc.
>  4220 E. McDowell Rd Ste. #108
>  Mesa, AZ 85215
>  (480) 505-1900
>
>
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