1. Wireshark:

   • A graphical tool for packet analysis.

   • Installation: sudo apt install wireshark

2. tcpdump:

   • Command-line packet analyzer.

   • Example: sudo tcpdump -i eth0

3. nmap:

   • Network scanner for discovering hosts and services.

   • Example: nmap 192.168.1.0/24

Summary

In this lesson, you learned the basics of Linux networking, including configuration, troubleshooting, and using essential tools. Mastering these skills is crucial for managing Linux systems effectively. In the next lesson, we will explore Linux security and firewall management.