How do you start capturing network traffic in Wireshark?

To start capturing network traffic in Wireshark, follow these steps:

1. Launch Wireshark: Open Wireshark by either clicking on the application in the menu or by typing wireshark in a terminal and pressing Enter.

2. Select Network Interface: On the welcome screen, you'll see a list of available network interfaces. Choose the interface you want to capture traffic from (commonly eth0, eth1, or wlan0).

3. Start Capture:

   • Double-click on the selected interface to start capturing packets.
   • Alternatively, you can select the interface and then click on the "Start capturing packets" button (represented by a blue shark fin icon) in the toolbar.

Once you start the capture, Wireshark will begin collecting data flowing through the selected interface.