How do you start capturing traffic in Wireshark?

To start capturing traffic in Wireshark, follow these steps:

1. Open Wireshark: Launch the application by typing wireshark in your terminal and pressing Enter.

2. Select Network Interface: In the main interface, you'll see a list of available network interfaces. Click on the interface you want to monitor (e.g., eth1).

3. Start Capturing Packets: Click the Start capturing packets button, represented by a blue shark fin icon in the toolbar. This will begin capturing all network packets passing through the selected interface.

4. Generate Traffic: To capture some traffic, you can use a command like curl in a terminal to generate network activity.

5. Stop Capturing: After capturing for a desired duration, click the Stop capturing packets button (red square icon) to stop the capture.

6. Save Captured Traffic: Go to the File menu and select Save, or press Ctrl+S to save the captured packets for future analysis.

Now you are ready to analyze the captured network traffic!