You can learn about the difference between Control Plane Nodes and Worker Nodes.
I can understand Kubernetes' basic objects.
You can get an overview of microservice architecture.
You can have your own Kubernetes environment without time or cost restrictions, anytime and anywhere.
You can learn the components that strengthen Kubernetes' core.
Kubernetes Version Upgrade
How to more effectively manage Kubernetes versions with Ansible
First steps on your Kubernetes journey! 🚢 Lay the foundation for becoming a growing developer/engineer.
The easiest Kubernetes Guide
📢 Hands-on update to Kubernetes v1.30!
On June 16, 2024, the Kubernetes labs were updated to match v1.30.
Accordingly, each ch2 was changed to a form commonly used in all lectures, and the subsequent lectures were given a number to differentiate them by one level. (Example: ch3 changed to ch4, reinforcement changed to A)
Also changed the base operating system from CentOS 7 to Ubuntu 22.04.
Additional footage shot for the v1.30 update is 7.1 and 7.2.
The existing reinforcement is saved in A, and after v1.30, it will proceed to B.
🎉 Now officially supporting Mac Silicon (M Series, arm64) 😄
📢 Hands-on update to Kubernetes v1.25!
On September 18, 2022, the Kubernetes Labs were updated to support v1.25.
Accordingly, the images for 4.2, 4.3, and 6.2 have been modified.
Aside from that, the practice itself remains unchanged!
This lecture is designed to help you easily get started with Kubernetes by organizing the parts that are difficult to get started with Kubernetes. Therefore, for a better learning effect, all contents are explained with pictures and practical exercises as much as possible.
Pod Deployment Life Cycle
That is, the purpose is to understand Kubernetes itself without looking at the code, and thereby get started with Kubernetes properly.
💡 Things to know before registering for a class
The current lecture is designed to draw a big picture of the platform called Kubernetes, and since it does not cover code , it is difficult to learn about Kubernetes in detail . Accordingly, the lecture targets PMs, planners, some managers, and those who want to approach Kubernetes after drawing a big picture .
A more in-depth lecture, including handling code, is covered in the next lecture, Learning Kubernetes with Pictures. To check the current lecture style in advance, a preview is available for free.
If you feel that the above content is sufficient and that the current lecture list will be helpful, I recommend that you proceed with the lecture.
Why Kubernetes ?
Kubernetes is becoming an inevitable trend in modern IT. Not only the major 3 companies (AWS, Azure, GCP), but almost all IT vendors are releasing solutions related to Kubernetes, so it is emerging as a basic technology for all IT. Therefore, I hope that you will be able to access Kubernetes as soon as possible and use it to grow as a developer/engineer.
Google Kubernetes Engine
As an example, CloudFlare, famous for its CDN and 1.1.1.1 address, is used internally by engineers configuring a Kubernetes environment and developers requesting and using it. The base architecture of a famous domestic portal IT company is also composed of Kubernetes.
Kubectl from Cloudflare
Even VMware, a famous virtualization company, has released Tanzu, which is based on Kubernetes, indicating that the market has already shifted to a Kubernetes environment.
Why not start learning Kubernetes right now?
Features of this course
You can listen without knowing the code .
You can understand the overall flow of Kubernetes.
You can have your own Kubernetes test environment .
Lets you get started with Kubernetes .
This is the only course that automatically configures and runs a Kubernetes cluster (1 control plane node, 3 worker nodes), and provides images for cases where automatic configuration is difficult.
📖 We provide OVA (Open Virtualization Archive) and Qcow2 (QEMU copy on write) image files.
I've seen many people around me trying to get started with Kubernetes but having a very hard time grasping the concepts. This is because there are many unique aspects conceptually, and the basic things that need to be known are also widely spread. Therefore, this lecture is a reflection of the concerns of 'How can I explain this part easily?' and 'How can I solve the basic parts of studying Kubernetes?'
In many places during that time Kubernetes related activities We have been proceeding with it.
Load balancer on-premise too? (w/ MetalLb) Kubernetes Korea User Group Announcement Video
Comparison of Porter and MetalLB (Open Infrastructure Day Announcement)
Demonstration of automated Kubernetes deployment with multi-control plane architecture via kubespray
Architectural Description of Docker Depracated (See slides)
Expected Questions Q&A
Q. I don't know what Kubernetes is, but will I regret learning about it?
That's a very good question. I prepared it just for those people. I've made it into a script that requires almost no prior knowledge. I worked hard to make it a lecture to get you started.
Q. Do I really need to know Kubernetes?
What a great series of questions... Yes, if you are retiring in 3-5 years, or are self-employed by then, you may not need it, but Kubernetes will become an essential element that almost everyone in IT (especially planning...) must know. It will be similar to where Linux is now.
Q. Can I learn everything about Kubernetes just by taking this course?
Let me be honest... It is impossible to teach everything about Kubernetes in a few dozen hours of online/offline lectures. Kubernetes is a technology that requires a lot of individual study because all the elements in modern IT are continuously being integrated. It is impossible to learn everything and say that you know everything in a short period of time. It is also a technology that changes very quickly and requires a very different direction for each element that is needed.
But the important thing is... There are some things you absolutely need to know when getting started with Kubernetes, and I think this lecture will help you get started with Kubernetes correctly by covering those things.
Used in lectures Program and version & lecture source address
We are doing our best to provide students with a pleasant hands-on experience, but please understand that we may not be able to help with Vagrant-related errors that occur depending on individual environments .
(x86-64) For those who are having trouble with the hands-on training due to Vagrant -related errors, we provide an OVA image . (Download address provided at the bottom of lecture 2.3)
We provide Q&A, but the course fee does not include Q&A. However, if you are unable to practice or if there is any incorrect information, please let us know and we will take action as quickly as possible.
Recommended for these people
Who is this course right for?
For those using Kubernetes in the cloud and curious about its internals.
For those who need to understand the structure of on-premise Kubernetes (e.g., OpenShift)
For those who want to experience Kubernetes without coding knowledge
For those who really want to get started with Kubernetes
For those who need their own Kubernetes test environment at no cost.
Need to know before starting?
Basic Linux commands (e.g., cd, ls, cat, etc.)
Basics of networking (e.g., 192.168.1.10/24 and 192.168.1.101/24 can communicate)
메가존에서 쿠버네티스와 컨테이너 인프라에 관해 Tech Evangelist, CoE(Center of Excellence) 역할을 담당하고 있다. 주요 역할은 회사의 SaaS 제품에서 사용하는 쿠버네티스 환경을 현대화하고 비용을 최적화하는 것이며, 외부 고객을 위해 Tech Advisory와 Container Architecture Design 등을 지원하고 있다. 클라우드 네이티브 컴퓨팅 재단(CNCF)의 글로벌 앰버서더로, 클라우드 네이티브 기술, 나아가 인공지능 네이티브 기술이 널리 전파되는 데 기여하고 있다. 그 외에 'IT 인프라 엔지니어 그룹'의 운영진을 맡고 있으며, 오픈소스 컨트리뷰터로도 활동하고 있다. 평소에 지식을 공유하는 것을 좋아하여, 인프런/유데미에서 앤서블 및 쿠버네티스에 관한 강의를 하고 있고, 지식은 문서로 남겨야 진정한 의미가 부여된다고 생각하여 『컨테이너 인프라 환경 구축을 위한 쿠버네티스/도커』, 『우아하게 앤서블』, 『시스템/네트워크 관리자를 위한 파이썬 실무 프로그래밍』을 집필하였으며, 요즘IT와 같은 온라인 플랫폼 등에 종종 글을 기고한다.
코드를 숨기기 위한 강사님의 친절한 노력이 돋보이는 강의입니다. 덕분에 쿠버네티스 개념을 모르더라도 쉽게 접근할 수 있습니다.
개발자가 되고나서도 쿠버네티스는 어렵게만 느껴졌었는데 이 강의 덕분에 쿠버네티스가 무엇인지 개념을 잡을 수 있었습니다. 다음 강의도 빨리 듣고 싶네요.
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