Dear Tobi,
When i try the following command:
rrdtool graph
speed.gif \
--start 920804400 --end
920808000 \
DEF:myspeed=test.rrd:speed:AVERAGE \
LINE2:myspeed#FF0000
its successful create speed.gif BUT when i try another command :
rrdtool graph
speed2.gif \
--start 920804400 --end
920808000 \
--vertical-label
m/s \
DEF:myspeed=test.rrd:speed:AVERAGE \
CDEF:realspeed=myspeed,1000,* \
LINE2:realspeed#FF0000
its cannot create speed2.gif, the message "rrdtool: No match." come out.
Why?
Please help me.
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