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Most likely you will start to use RRDtool to store and process data
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collected via SNMP. The data will most likely be bytes (or bits)
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used to display tidal waves, solar radiation, power consumption, number
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of visitors at an exhibition, noise levels near an airport, temperature
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on your favorite holiday location, temperature in the fridge and
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You only need a sensor to measure the data and be able to feed the
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numbers into RRDtool. RRDtool then lets you create a database, store