Installing Kubernetes

Kubernetes Configuration

  • All-in-One Single-Node Installation
    • for learning, development and testing.
  • Single-Node etcd, Single-Master and Multi-Worker Installation
  • Single-Node etcd, Multi-Master and Multi-Worker Installation
  • Multi-Node etcd, Multi-Master and Multi-Worker Installation
    • advanced and recommended production setup.

Infrastructure for Kubernetes Installation

  • Bare-metal, public cloud or private cloud?
  • RHEL, CoreOS, CentOS or something else?
  • Which networking solution should we use?
  • etc.

Localhost Installation

There are a few localhost installation options available to deploy single- or multi-node Kubernetes clusters:

  • Minikube
  • Ubuntu on LXD

On-Premise Installation

  • On-Premise VMs
    • Kubernetes can be installed on VMs created via Vagrant, VMware vSphere, KVM, etc.
    • There are different tools available to automate the installation, like Ansible or kubeadm.
  • On-Premise Bare Metal
    • Kubernetes can be installed on on-premise Bare Metal, on top of different Operating Systems, like RHEL, CoreOS, CentOS, Fedora, Ubuntu, etc.
    • Most of the tools used to install VMs can be used with Bare Metal as well.

Cloud Installation

  • Hosted Solutions - any given software is completely managed by the provider.
    • Google Container Engine (GKE)
    • Azure Container Service
    • OpenShift Dedicated
    • Platform9
    • IBM Bluemix Container Service
  • Turnkey Cloud Solutions - we can deploy a solution or software with just a few commands.
    • Google Compute Engine
    • Amazon AWS
    • Microsoft Azure
    • Tectonic by CoreOS
  • Bare Metal Kubernetes can be installed on Bare Metal provided by different cloud providers.

Kubernetes Installation Tools/Resources

  • kubeadm
    • It is a secure and recommended way to bootstrap the Kubernetes cluster.
    • It has a set of building blocks to setup the cluster, but it is easily extendable to add more functionality
  • kubespray
    • Helps to install Highly Available Kubernetes clusters on AWS, GCE, Azure, OpenStack, or Bare Metal.
    • It is based on Ansible, and is available on most Linux distributions
  • kops
    • Helps to create, destroy, upgrade, and maintain production-grade, highly-available Kubernetes clusters from the command line.
    • It can provision the machines as well(early stage)

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