There are various different ways to generate rrdtool images. And most people will probably be generating elaborate ones out of perl or php scripts. The ones I am currently generating are built in a shell script (bash) and I was really having a problem with quotes and white space here for a while. If you [...]
Tag Archive > rrdtool
rrdtool magic
I upgraded some rrdtool graphs today (in the examples below, I was using weekly graphs). First I smoothed out some of the data with TREND. That was pretty easy, you just specify which data and the timeframe it should use to smooth out: CDEF:trend_data=data,21600,TREND smooths out data by 6 hours (21600 seconds). trend_data can be [...]
