From the course: Strategic Linux for Network Professionals: Security, Monitoring, and Automation

Unlock this course with a free trial

Join today to access over 25,200 courses taught by industry experts.

Linux networking: Interfaces, IP addresses, and subnetting

Linux networking: Interfaces, IP addresses, and subnetting - Linux Tutorial

From the course: Strategic Linux for Network Professionals: Security, Monitoring, and Automation

Linux networking: Interfaces, IP addresses, and subnetting

- [Instructor] In this lecture, we are starting your journey into networking with Linux. To manage networks, you need to understand how your Linux system connects to others. That starts with interfaces, IP addresses, and subnetting. So what is a network interface? A network interface is like a network card in your computer. It's the part that connects to the internet or local network. The common types of network interfaces are eth0 or ens33 or, there are different numbers, of course. It means it's wired ethernet connection. And there are other ones like wlan0, which is the wireless connection. And also lo, which is a loopback interface used by your computer to talk to itself. All right, let's log into the Linux machine to practice network basic commands. For this, you don't have to be logged in as root user, so you are logged in right now as yourself. Perfect. All right, let's start by checking the IP address of our Linux machine. Now before we do that, let's talk about what is an IP…

Contents