[rrd-users] Newbie: rddcgi graph

Tue Jan 22 21:48:24 MET 2002

This question I have seen posted but never answered. I've created an rrd file
and have populated it accordingly. I can run at the command line rddtool graph
and produce a graph. Now, I would like to use rrdcgi to produce on the fly graph
generation. I have placed my rrd.cgi file in my cgi-bin (redhat 7.2 apache). I
can see the page generated, however the image does not show up. I can also see a
gif file created in the directory. In my apache log, it mentions permission
error. So I chmod a+x gif file. Then I get exceution error.

rrd.cgi:

#!/usr/bin/rrdcgi

<HTML>
 <HEAD><TITLE>RRDCGI Demo</TITLE></HEAD>
 <BODY>
 <H1>RRDCGI Example Page</H1>
 <P>
 <RRD::GRAPH test.gif --imginfo '<IMG SRC="%s" WIDTH="%lu" HEIGHT="%lu" >' -t
RWANDAL01_E0 -v bps
DEF:inoctets=rwandal.rrd:input:AVERAGE DEF:outoctets=rwandal.rrd:output:AVERAGE
CDEF:inbps=inoctets,8,* CDEF:outbps=outoctets,8,* A$
LINE1:outbps#0000FF:"Out traffic">
 </P>
 </BODY>
 </HTML>

apache log:

[error] (13)Permission denied: exec of /home/web/cgis/test.gif failed
[error] [client 170.50.81.149] Premature end of script headers:
/home/web/cgis/test.gif
[error] (8)Exec format error: exec of /home/web/cgis/test.gif failed
[error] [client 170.50.81.149] Premature end of script headers:
/home/web/cgis/test.gif

Any help is appreciated. Thanks in advance.

Johnny H. Leon

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