Setting up CoreOS for Docker orchestration

CoreOS (https://coreos.com/) is a Linux distribution that has been rearchitected to provide the features needed to run modern infrastructure stacks. It is Apache 2.0 Licensed. It has a product called CoreOS Managed Linux (https://coreos.com/products/managed-linux/) for which the CoreOS team provides commercial support.

Essentially, CoreOS provides platforms to host a complete applications stack. We can set up CoreOS on different cloud providers, bare metal, and in the VM environment. Let's look at the building blocks of CoreOS:

  • etcd
  • Container runtime
  • Systemd
  • Fleet

Let's discuss each in detail:

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