DevOps

[Kubernetes 배우기] Section 4. YAML Introduction

Kubernetes for the Absolute Beginners - Hands-on | Udemy YAML: data representation format like JSON Key-Value Pair Fruit: Apple Vegetable: Carrot Liquid: Water Array/Lists Fruits: - Orange - Banana - Apple Dictionary/Map Banana: Calories: 105 Fat: 0.4g Carbs: 27g The spacing in front of each item must be equal. If the spacing is different, it is treated as a sub-dictionary. Order is important fo..

[Kubernetes 배우기] Section 3. Kubernetes Concepts

Kubernetes for the Absolute Beginners - Hands-on | Udemy Kubernetes pods: a single instance of the application that encapsulates containers to bring up more instances of an application, the number of pods must be increased the smallest unit in Kubernetes A single pod can have multiple containers of different types. It can include helper containers. within the same pod, they can interact with eac..

[Kubernetes 배우기] Section 2. Kubernetes Overview

Kubernetes for the Absolute Beginners - Hands-on | Udemy Node: machine where Kubernetes is installed Cluster: Group of nodes Master node: Another node that controls cluster(worker nodes) kube-APIserver is installed Worker node: where the actual computation is going on kubelet is installed Components of Kubernetes: API server: where the user interacts to control the Kubernetes server etcd: distri..

[Docker 배우기] Section 9. Container Orchestration - Docker Swarm & Kubernetes

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Container Orchestration is used to host multiple containers over multiple hosts by using scripts and codes. Some solution scales containers automatically and even scale hosts Famous container orchestration solutions: Docker Swarm Kubernetes Mesos Docker Swarm Distributes containers over many hosts for higher availability and load balan..

[Docker 배우기] Section 8. Docker on Mac & Windows

Docker for the Absolute Beginner - Hands On - DevOps | Udemy Working on Docker on Windows: Docker toolbox virtual box for VM (Oracle) Docker Desktop for Windows uses Microsoft Hyper-V as a virtual box Windows containers Windows Server containers one VM for various containers Hyper-V isolation running within each VM Working on Docker on Mac: Docker toolbox virtual box for VM (Oracle) Docker Deskt..