Getting Started with CoreOS

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Many businesses are facing problems with the growing cost of maintaining software and systems, an industry that is shifting more to cloud services and new development paradigms like application containers and microservices that change the way software is created, deployed, and run. In this course, Getting Started with CoreOS, you'll learn the basics of CoreOS, an operating system that embraces the move to distributed and containerized applications and aims to address many of the problems businesses are facing today. First, you will learn why a new approach like the one CoreOS provides is necessary. Next, you'll learn about the different features that CoreOS has to address different business problems. Finally, you'll learn how all these features come together to allow a distributed end-to-end application to be easily deployed and run on CoreOS. When you're finished with this course, you will have the skills needed to build and deploy a single distributed application onto CoreOS, and have the foundational knowledge to move on to more advanced concepts like distributed schedulers (Kubernetes, Mesosphere).
  • Course Overview
    • Course Overview
  • Introduction
    • Introduction
    • Getting the Most from This Course
    • Computing Today
    • What Is CoreOS?
    • Installing and Running CoreOS
    • Summary
  • Deploying and Running Containers
    • Introduction
    • SystemD Overview
    • Running Containers Directly
    • Etcd Overview
    • Using Etcd
    • Summary
  • Deploying Containers to a Cluster
    • Introduction
    • Introduction
    • Fleet Overview
    • Local Cluster
    • Using Fleet Remotely
    • High-availability Services
    • Running Multiple Service Instances
    • Running Multiple Service Instances
    • Tolerating Host Failures
    • Summary
  • Service Discovery
    • Introduction
    • Service Discovery
    • Discovering Services in CoreOS Cluster
    • Flannel
    • Using Flannel
    • Putting the Pieces Together: Database and Web
    • Putting the Pieces Together: Load Balancing
    • Summary
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