Install drraw by entering the following commands in the terminal:
sudo apt update sudo apt install drraw
simple web based presentation front-end for RRDtool
drraw is a simple web based presentation front-end for RRDtool that allows you to interactively build graphs of your own design. A graph definition can be turned into a template which may be applied to many Round Robin Database files. . drraw specializes in providing an easy mean of displaying data stored with RRDtool and does not care about how the data is collected, making it a great complement to other RRDtool front-ends.