If you find the module but it's not in a perl ISA path you will need to add a line like this to tell perl where the module is:
If you are on centos, you can yum install perl-rrdtool and that should get you want you need.
> From: Mark Woodruff <
n3hf@...>
> Subject: Re: [rrd-users] RRD Newbee needs help with RRD Perl script
> To: "Koaps" <
koaps@...>,
rrd-users@...
> Date: Wednesday, November 4, 2009, 10:52 AM
>
> Chris, Thank you for the feedback. I tried rewriting
> something with RRDs but no success, something must be
> missing from the installation (I think!).
>
> Can't locate loadable object for module RRDs in @INC
> (@INC contains: /usr/lib/perl5/5.8.5/i386-linux-thread-multi
> /usr/lib/perl5/5.
> .5
> /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi
> /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl
> /usr/lib/perl5/ve
> dor_perl/5.8.5/i386-linux-thread-multi
> /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl
> .) at ./temp-one.cgi line 27
> Compilation failed in require at ./temp-one.cgi line
> 27.
>
> Mark
>
>
>
>
>
> From: Koaps
> <
koaps@...>
> To: Mark
> Woodruff <
n3hf@...>
> Sent: Tue,
> November 3, 2009 8:42:04 PM
> Subject: Re:
> [rrd-users] RRD Newbee needs help with RRD Perl script
>
> I have no idea about RRDp but I have used RRDs with no
> issues in perl scripts.
>
> The graph subroutine I used looked like this:
>
> # print "Creating
> graph\n";
> RRDs::graph
> ("$png_path/$k.png",
>
> "--title=$TITLE $k",
>
> "--vertical-label=$VLABEL",
>
> "--color=$BACK",
>
> "--color=$SHADEA",
>
> "--color=$SHADEB",
>
> "--color=$FONT",
>
> "--color=$CANVAS",
>
> "--color=$GRID",
>
> "--color=$MGRID",
>
> "--color=$FRAME",
>
> "--color=$ARROW",
>
> "--base=$BASE",
>
>
> "DEF:avg=$rrd_path/$k.rrd:$ds:AVERAGE",
>
>
> "DEF:pred=$rrd_path/$k.rrd:$ds:HWPREDICT",
>
>
> "DEF:dev=$rrd_path/$k.rrd:$ds:DEVPREDICT",
>
>
> "DEF:fail=$rrd_path/$k.rrd:$ds:FAILURES",
> "COMMENT:
> \\n",
>
> "CDEF:mbs=avg,1048576,/",
>
> "LINE2:$AVG_LINE:Average MB/s",
>
> "GPRINT:mbs:AVERAGE:\\: %5.2lf",
>
> "GPRINT:mbs:LAST: Last\\:
> %5.2lf\\n",
>
> "TICK:$TICK:1.0:Failures",
>
> "CDEF:upper=pred,dev,2,*,+",
>
> "CDEF:lower=pred,dev,2,*,-",
>
> "LINE1:$UPPER_LINE:Upper Bound",
>
> "LINE1:$LOWER_LINE:Lower Bound",
>
> "\\n",
>
> "COMMENT:$date",
> );
> $err=RRDs::error;
> if ($err) {print
> "problem generating the graph: $err\n";}
>
>
> with
> variables defined like this:
> NOTE: $k for me was pulled from a reference I generated,
> you should be able to set it to your RRD without any
> issues.
>
>
> #--------------#
> # RRDTool vars #
> #--------------#
> my $png_path = "/var/www/html/";
> my $TITLE = "IO Test:";
> my $VLABEL = "Bytes per second (B/s)";
> my $BACK = "BACK#000000";
> my $SHADEA = "SHADEA#FFFFFF";
> my $SHADEB = "SHADEB#FFFFFF";
> my $FONT = "FONT#DDDDDD";
> my $CANVAS = "CANVAS#202020";
> my $GRID = "GRID#666666";
> my $MGRID = "MGRID#AAAAAA";
> my $FRAME = "FRAME#202020";
> my $ARROW = "ARROW#FFFFFF";
> my $BASE = 1024;
> my $AVG_LINE = "AVG#0000FF";
> my $TICK = "FAIL#FFFFA0";
> my $UPPER_LINE = "UPPER#ff0000";
> my $LOWER_LINE = "LOWER#ff0000";
>
>
> -Chris
>
> --- On Tue, 11/3/09, Mark Woodruff <
n3hf@...>
> wrote:
>
> > From: Mark Woodruff <
n3hf@...>
> > Subject: [rrd-users] RRD Newbee needs help with RRD
> Perl script
> > To:
rrd-users@...
> > Date: Tuesday, November 3, 2009, 5:03 PM
> > Recently installed Version 1.3.8
> > and have been trying to make a Perl script wrritten by
> Brian
> > Lane (Digitemp) from what I have been able to
> determine the
> > scripts hangs up on the line containing:
> >
> > $answer=RRDp::read;
> >
> > # Output a HTML header for the PNG
> > image to follow
> >
> > print $cgi->header('image/png');
> > # Generate the graph
> > RRDp::cmd "graphv - --imgformat PNG",
> > "--start '$starttime' --end
> > '$endtime'",
> > "--width $width --height $height",
> >
> "DEF:temp_c=$rrd:$var:AVERAGE",
> > "CDEF:temp_f=temp_c,9,*,5,/,32,+",
> > "LINE1:temp_f$color:'$label'";
> > $answer=RRDp::read;
> > print $$answer;
> > RRDp::end;
> >
> > After reading rrd tutiorial I wrote a
> > shorten bash script which works fine which tells
> me my
> > RRD datafile is fine. Is there a bug and/or do I have
> > installation issue??
> >
> > Mark
> >
> >
> >
> > -----Inline Attachment Follows-----
> >
> > _______________________________________________
> > rrd-users mailing list
> >
rrd-users@...
> >
https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users> >
>
>
>
>
>
>
>
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