/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start=-86400 \
--end=-300 \
--title="Graph title - Wibble Wibble wobble" \
--rigid \
--base=1000 \
--height=120 \
--width=500 \
--alt-autoscale-max \
--lower-limit=0 \
--vertical-label="bytes per second" \
--slope-mode \
DEF:a="/var/www/cacti/rra/cpanel_server_1_traffic_in_8.rrd":traffic_in:AVERAGE \
DEF:b="/var/www/cacti/rra/cpanel_server_1_traffic_in_8.rrd":traffic_out:AVERAGE \
AREA:a#00CF00:"Inbound"  \
GPRINT:a:LAST:" Current\:%8.2lf %s"  \
GPRINT:a:AVERAGE:"Average\:%8.2lf %s"  \
GPRINT:a:MAX:"Maximum\:%8.2lf %s\n"  \
LINE1:b#002A97:"Outbound"  \
GPRINT:b:LAST:"Current\:%8.2lf %s"  \
GPRINT:b:AVERAGE:"Average\:%8.2lf %s"  \
GPRINT:b:MAX:"Maximum\:%8.2lf %s"