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Kubernetes From Scratch

30 Projects in 8 Weeks

On-Demand / 14 hours

5.0

Learn the internals of Kubernetes, breaking down each component while practicing on 30 real-world project-focused challenges.

Course Instructor: Chad Crowell

Chad has been in tech for over thirteen years, starting as a helpdesk technician and now a DevOps Engineer. Through the ups and downs, he's found learning to be one of the most rewarding parts of the job, and encourages all to continuously challege themselves. Having been an instructor for over three years, enjoyment comes from a sincere place of giving.

@ChadMCrowell
course author

Course Outline


Week 1: How Kubernetes Works

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In week1, you’ll be learning what Kubernetes is and why it’s used in the real world. We’ll break down each component, including each piece of the control plane and the worker nodes to see what part each plays in the orchestration of containers. We’ll also take a look at the traffic inside of a cluster and how all of these pieces communicate with each other. Finally, we’ll look at accessing the cluster and the roles in which you can put in place for securing Kubernetes.

Week 2: Kubernetes Resources and Stateless Apps

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In week 2, you’ll be taking the concepts you learned in week 1 and building upon it to include stateless applications, services, and networking in-between. Deploying applications on Kubernetes in a self-healing manner requires persistent storage, configMaps and secrets mounted as volumes to containers, so we’ll learn about this as well. Finally, we’ll talk about custom resource definitions (CRDs) and where they come into play in the Kubernetes landscape.

Week 3: Kubernetes Ingress with Traefik and Nginx ingress

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Now that you know how applications run on Kubernetes, we’ll talk about scaling those applications and when it makes sense to introduce an ingress resource. We’ll talk about making your application accessible from the web via DNS and using multiple paths to route traffic to pods.

Week 4: Managed Kubernetes in Azure (AKS)

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In week 4, you are introduced to “managed Kubernetes”, which relieves you of a large portion of the management and maintenance of your cluster. Taking a look at Azure Kubernetes Service (AKS) specifically, and how they provide networking, storage, scaling, DNS and more, right out of the box. Finally, we’ll discover how adding a simple annotation to our manifest can deploy Azure infrastructure.

Week 5: Accessing Cluster Resources in AKS

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In the public cloud, securing our cluster components is of the utmost importance. That’s why in week 5, we’ll discover how we can secure our keys to AKS, while also integrating Azure RBAC to ensure surveillance over our clusters. We’ll also learn about Azure Active Directory and the benefits of using it with our AKS clusters. Once a user or program has been authenticated, we’ll learn about authorization and approving or denying access to certain namespaces and/or other Kubernetes resources.

Week 6: Networking and Securing Apps in AKS

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Now that we’ve secured our cluster components, in week 6 we’ll learn how to secure our applications running in AKS. We’ll discover different container networking options, compute isolation and ways to secure the worker nodes in order to patch vulnerabilities and prevent DDoS attacks. In order to ensure container security, you’ll learn about container registries. Finally, we’ll discuss pod to pod communication across namespaces and how to block crosstalk.

Week 7: Scaling Applications in AKS

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One of the built in benefits of Kubernetes is quickly and efficiently scaling your application to meet demand. In week 7, you’ll learn how to take advantage of zero downtime rolling updates along with utilizing Azure components to prepare applications ready for spikes in resource consumption. Also, when node failure happens, you’ll learn about node and node pool maintenance in AKS.

Continuing our discussion about persistent storage in week 4, we’ll dive deeper into storage options in AKS, easing the request process for application developers.

Week 8: Monitoring and Troubleshooting Application Failure

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Let’s face it, even though Kuberentes is a robust and efficient system, it will fail at some point. When this happens, we need to know how to troubleshoot a solution. Better yet, if certain monitoring tools are in place, we can forecast when failure occurs, and avoid it all together. Monitoring tools like Prometheus give you real-time analytics and granular cluster information so you can make informed decisions to detect when cluster failure is eminent.

When it comes to container failure, and the contention of resources, you’ll learn about requests and limits for your pods, which allow the system to better distribute CPU and memory to prevent app crashes.

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Frequently Asked Questions

Wondering if training with CloudSkills.io is going to be the right fit?
Here are answers to common questions.

What the prerequisites for this course?

We recommend that you have basic sysadmin skills, along with a high-level understanding of software development. You do not need to be a programmer to succeed in this course.


Who is this for?

CloudSkills is for anyone looking to build the technical and soft-skills required to succeed in the tech industry today. We welcome everyone, regardless if you come from an "ops" or "dev" background, or even if you're switching careers.


Do I need access to public cloud platforms?

We are big believers in hands-on practice, however, having immediate access to a public cloud platform is not a requirement for this course. Sit back and watch, and feel free to follow along if you'd like.


How long will I have access to the course?

You will have full access to the recordings with your purchase. You watch videos, follow our proven step-by-step process, get results.


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The network of individuals I have connected with because of CloudSkills.io is outstanding. The value of the classes, both for networking and for course content was very good. The opportunities I have had because I was enrolled have been astounding to me.

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