Hi,

I had a similar problem so I hope this helps.  It had to do with the
default install of php to safe_mode = On. This will not allow you to run
executables like rrdtool to generate the graphs unless they are in the
safe_mode_exec_dir=/path-to-somewhere/safe_mode_exec_dir or something
like that.

Just set these variables in you php.ini file. Then either copy rrdtool or
make a simbolic link to your safe_mode_exec_dir

look in your http/logs/error_log file you should see something like
sh: /rrdtool:  not found
sh: /rrdtool:  not found
sh: /rrdtool:  not found

Once you set your safe_mode_exec_dir this should go away and the graphs
should show up

Hope it helps
Rene




On Mon, 19 Apr 2004, Bernard Li wrote:

> Hi Peter:
>
> What happens if you do the following in your 'headnode':
>
> % telnet localhost | grep "<HOST"
>
> Does it list the hosts?
>
> P.S. I assume you have rrdtool installed as well, correct?
>
> Cheers,
>
> Bernard
>
>
> ________________________________
>
>       From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Chiu,
> PCM (Peter)
>       Sent: Monday, April 19, 2004 12:27
>       To: '[email protected]'
>       Cc: Chiu, PCM (Peter)
>       Subject: [Ganglia-general] A new user question on
> ganglia-webfrontend
>
>
>
>       Hi,
>
>       I followed the instructions given in
> http://ganglia.sourceforge.net/docs/
> <http://ganglia.sourceforge.net/docs/>
>       to mount the ganglia-monitor-core-gmond-2.5.6-1 and
> gmetad-2.5.6-1,
>       as well as untarring the ganglia-webfrontend-2.5.5.tar into
> /var/www/html/ganglia.
>
>       Having started up gmond and gmetad, I open up
> http://localhost/ganglia <http://localhost/ganglia>  and
>       I can see the local host report on the web page.
>
>       But there is no graph showing the cpu load and other status
> progress.
>
>       The ganglia documentation seems to have stopped here.
>
>       Have I missed anything to enable the graphs showing the various
> status?
>
>       (PS. I can see some .rrd files under
> /var/lib/ganglia/rrds/__SummaryInfo__ directories).
>
>       Thanks.   Peter
>
>

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