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/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start='1518564903' \
--end='1518651303' \
--title='test' \
--base='1000' \
--height='200' \
--width='500' \
--alt-autoscale-max \
--lower-limit='0' \
COMMENT:"From 2018/02/13 18\:35\:03 To 2018/02/14 18\:35\:03\c" \
COMMENT:"  \n" \
--vertical-label='' \
--font TITLE:10: \
--font AXIS:7: \
--font LEGEND:8: \
--font UNIT:7: \
DEF:a='/disk2/Weather/rrd/weather.rrd':'To':AVERAGE \
LINE1:a#000000FF:'Average temperature' 
Viewing Graph Properties 'test'
test Zoom Graph
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