From Fedora Project Wiki
Description
Monitor network I/O with Cockpit
Setup
Open Cockpit in your browser as described here.
How to test
- Navigate to the "Network" page of your machine.
- Download and/or upload some big file.
- Observe the graphs and "Sending" and "Receiving" columns at the top of the page.
- Hover with your mouse over the graphs.
Expected Results
The page should show the ongoing network traffic. Hovering over a graph should highlight the corresponding network interface.