RRD tool a error

zdravim
nainstaloval som si rrdtoll na debiane klasicky apt-get ..... a teraz ak chcem vytvorit nejake RRD databazy tak mi hlasi chybu:

Can't locate RRDp.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.8.8 /usr/local/share/perl/5.8.8 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8 /usr/share/perl/5.8 /usr/local/lib/site_perl .) at ./create line 5.
BEGIN failed--compilation aborted at ./create line 5.

mam jadro 2.6....
neviete ako to odstranit.
tu je skript co mi sposobuje tu chybu:

#!/usr/bin/perl

use strict;
use warnings;
use RRDp;

RRDp::start '/usr/bin/rrdtool';

my %rrds = (
## Uncomment the RRDs that need to be (re)created
cpu_user => 'DERIVE:600:0:100',
cpu_nice => 'DERIVE:600:0:100',
cpu_idle => 'DERIVE:600:0:100',
cpu_system => 'DERIVE:600:0:100',
cpu_iowait => 'DERIVE:600:0:100',
cpu_hirq => 'DERIVE:600:0:100',
cpu_sirq => 'DERIVE:600:0:100',
mem_user => 'GAUGE:600:0:U',
mem_cached => 'GAUGE:600:0:U',
mem_buffers => 'GAUGE:600:0:U',
mem_free => 'GAUGE:600:0:U',
swap_used => 'GAUGE:600:0:U',
swap_free => 'GAUGE:600:0:U',
loadavg_1 => 'GAUGE:600:0:U',
loadavg_5 => 'GAUGE:600:0:U',
loadavg_15 => 'GAUGE:600:0:U',
eth0_in => 'COUNTER:600:0:13107200', # max of 100Mbit/s
eth0_out => 'COUNTER:600:0:13107200',
io_sda_r => 'COUNTER:600:0:104857600', # max of 100MB/s
io_sda_w => 'COUNTER:600:0:104857600',
hdd_www => 'GAUGE:600:0:U',
hdd_wwwlogs => 'GAUGE:600:0:U',
# hdd_pgsql => 'GAUGE:600:0:U',
hdd_other => 'GAUGE:600:0:U',
hdd_total => 'GAUGE:600:0:U',
proc_system => 'GAUGE:600:0:U',
proc_httpd => 'GAUGE:600:0:U',
# proc_pgsql => 'GAUGE:600:0:U',
proc_other => 'GAUGE:600:0:U',
proc_total => 'GAUGE:600:0:U',
httpreq => 'DERIVE:600:0:U',
);
foreach my $rrd (keys %rrds) {
RRDp::cmd qq| create $rrd.rrd
DS:$rrd:$rrds{$rrd}
-s 300
RRA:AVERAGE:0.5:1:576
RRA:AVERAGE:0.5:6:672
RRA:AVERAGE:0.5:24:732
RRA:AVERAGE:0.5:144:1460
|;
my $r = RRDp::read; $$r||='';
print "Created $rrd.rrd -> $rrds{$rrd}: $$r\n";
}