DataGrapher is a web-based software application that serves as a frontend for RRDtool, an open-source software tool created by Tobias Oetiker. Its primary purpose is to allow users to monitor, graph, and analyze data stored in RRD databases through an intuitive web interface.
The process of creating combined graphs is incredibly simple with DataGrapher. You can add devices that are automatically queried at fixed time ranges, and the collected data is then saved in the Round Robin Database (RRD) via SNMP. After adding devices, you can easily choose which SNMP data to collect from the indexed information and create multi-graphs that contain the selected graphs.
Customization is a key feature of DataGrapher, with users having the option to change the color, line, font, background, and other aspects of their graphs. Additionally, there is also an API available for DataGrapher, enabling users to control this powerful tool without using the WebGUI.
DataGrapher is entirely written in Perl and is distributed under the GNU General Public License, a testament to the software's versatility and open-source nature. To use DataGrapher, users will need Perl with several necessary modules such as CGI, Log::Log4perl, URI::Escape, Storable, Time::Local, DBI, Net::SNMP, RRDs, HTTP Server, and RRD-Tool.
In conclusion, DataGrapher is an excellent tool for creating combined graphs. Its user-friendly interface coupled with its customization and API features come together to create an overall satisfactory experience for users.
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