Learn network fundamentals essential for any DevOps specialist, including socket programming, command-line tools, OSI layer protocols, and more.

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TCPServer

Fundamentals of DevOps

This module will guide us through the network fundamentals essential for any DevOps specialist. This module starts with different networking concepts, such as the internet, application layer, and transport layer. We'll then move on to learning the basics of socket programming in Python and the network layer. In the end, we'll learn link layer concepts.

Network Fundamentals

# Open up the Developer Tools on Your Browser

Have a look at this GIF. We were on **Firefox** here. 
1. Navigate to any website. We picked google.com.
2. Right-click anywhere.
3. Click on 'inspector tools' in the drop-down menu.

The process should be similar for other browsers. 



In this lesson, you will be looking at real HTTP messages right from your browser!

Internet and The OSI Model

The Application Layer

The Transport Layer

An Introduction to Socket Programming with Python

The Network Layer

The Link Layer

Conclusion

Exercise: Looking at a Real HTTP Request

Open up the Developer Tools on Your Browser