[Kubernetes] Jobs & CronJobs

A Job creates one or more pods and will continue to retry execution of the Pods until a specified number of them successfully terminate. As pods successfully complete, the Job tracks the successful completions. When the specified number of successful completions is reached, the job is complete.

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[Kubernetes] Basics

Kubernetes coordinates a highly available cluster of computers that are connected to work as a single unit. Kubernetes automates the distribution and scheduling of application containers across a cluster in an efficient way.

  • Service discovery and load balancing
  • Storage orchestration
  • Automated rollouts and rollbacks
  • Self-healing
  • Secret and configuration management
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Install Kubernetes – Ubuntu Focal 20.04

  • Distribution: Ubuntu Focal 20.04 (LTS)

You need to set up the cluster: Master node and Worker nodes.

  • Master: A Master a system that control API calls for the pods, controllers, services, nodes and other components of a Kubernetes cluster are executed.
  • Worker: A Worker is a system that provides the run-time environments for the containers. A set of container pods can span multiple nodes.
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