Enroll Course: https://www.udemy.com/course/containers-under-the-hood/
In the ever-evolving world of software development and deployment, understanding the intricacies of container technology is crucial. Udemy’s course, ‘Containers Under the Hood,’ offers a comprehensive exploration of how containers function beneath the surface, making it an ideal choice for both beginners and those looking to deepen their knowledge.
### Course Overview
This course takes a bottom-up approach to containerization, focusing on the core mechanisms that make containers possible: Namespaces, Overlay Filesystems, and Cgroups. Unlike other courses that may skim the surface or focus solely on practical application, ‘Containers Under the Hood’ dives deep into the foundational concepts, providing a robust understanding of how containers operate.
### What You’ll Learn
The course begins with an introduction to Namespaces, teaching you how they enable isolation. You’ll explore different types of Namespaces, including PID, MNT, IPC, USER, and UTS, with hands-on examples to solidify your understanding.
Next, you’ll learn about Overlay Filesystems and their significant role in container technology. You’ll get hands-on experience creating an Overlay Filesystem, illustrating how it allows for module sharing across multiple containers.
The course then transitions into Cgroups, which are essential for controlling the resources allocated to applications. You’ll create your own Cgroups to manage CPU and Memory for example applications, providing practical insights into how resource management works.
The course also covers related concepts like the Proc filesystem and Mount Points, which are essential for grasping PID and MNT Namespaces. After establishing a solid understanding of these components, the course delves into Docker, explaining how Docker Images work, the concept of image layering, and how these ideas relate back to the Overlay Filesystem.
Furthermore, you’ll explore Kubernetes Pods, learning how to create them using Namespaces and manage resources like CPU and Memory effectively. The course concludes with a review of the Kubernetes Control Plane, helping you understand how these components work together to orchestrate Pods.
### Hands-On Learning
One of the standout features of this course is its commitment to hands-on learning. Each concept is paired with detailed demonstrations using a provided Ubuntu Virtual Machine, ensuring that you can apply what you learn in real-world scenarios.
### Who Should Take This Course?
This course is designed for anyone with a basic understanding of programming and command-line Linux. You don’t need prior knowledge of Docker or Kubernetes to benefit from this course, as it builds foundational knowledge step-by-step.
### Final Thoughts
If you’re curious about how containers work under the hood and want to gain a deeper understanding of their core mechanisms, ‘Containers Under the Hood’ is the course for you. It provides a valuable mix of theory and practical examples, ensuring that you walk away with a solid grasp of container technology. The instructor’s approach encourages pacing yourself, reflecting on the material, and actively engaging with the hands-on demonstrations, making this course a rewarding learning experience.
I highly recommend ‘Containers Under the Hood’ for anyone looking to expand their knowledge of container technology. With the skills you gain from this course, you’ll be well-equipped to tackle any container technology with confidence and clarity.
Enroll Course: https://www.udemy.com/course/containers-under-the-hood/