Installing Wireshark on Ubuntu 18.04

Wireshark is a popular network protocol analyzer that allows you to capture and analyze network traffic in real-time.

Installing Wireshark on Ubuntu 18.04

To install Wireshark on Ubuntu 18.04, you can follow these steps:

1. Open a terminal by pressing Ctrl+Alt+T on your keyboard.
2. Run the following command to update the package list:

   sudo apt update

3. Next, install Wireshark by running the following command:

   sudo apt install wireshark

4. During the installation, you will be prompted to choose whether non-superusers should be able to capture packets. For most cases, it is recommended to allow it by selecting Yes and pressing Enter.
5. After the installation is complete, Wireshark should be accessible from the Applications menu or by running the wireshark command in the terminal.

Running Wireshark

To run Wireshark, you can follow these steps:

1. Open a terminal.
2. Run the following command to start Wireshark:

   wireshark

3. Wireshark should open, and you will be presented with a list of available network interfaces.
4. Select the desired network interface, and click on the Start button to begin capturing packets.
5. You can now analyze the network traffic by using Wireshark's features and filters.

Wireshark is a powerful tool that can help you troubleshoot network issues, analyze network protocols, and identify potential security vulnerabilities. However, it's important to note that capturing network traffic may require administrative privileges and should be done ethically and with proper authorization.