How to create and manage graphs in the Cacti system?

Cacti is an open-source network graphing tool used for monitoring and managing performance data of network devices. To create and manage graphs in the Cacti system, you can follow these steps:

1. Log in to the web interface of the Cacti system.
2. Click on the “Graphics Management” option in the left navigation bar.
3. Click on the “Create new shape” button.
4. Please provide the name and description of the graph, and select the data source to be monitored. The data source is the performance data collected from network devices or servers.
5. Choose the type of graphic, such as line chart or bar graph.
6. Set the parameters of the graph, such as time range, interval, and style.
7. Click the “Save” button to create the image.
8. To manage graphics, you can view all created graphics on the graphics management page and edit, delete, or disable them.

With these steps, you can create and manage graphs in the Cacti system to help monitor performance data of network devices and analyze data.