rrd stuff

rrdtool create test.rrd --start 1243366730 --step 10 \
DS:baban:GAUGE:20:0:9999 RRA:AVERAGE:0.5:6:60

while true; do rrdtool update testX.rrd N:${n}; n=`expr $n + 1`; echo $n; sleep 10; done

rrdtool graph test.gif --start 1243291464 --end 1243379376 \ DEF:mybaban=test.rrd:baban:AVERAGE LINE2:mybaban#FF0000