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What do you Mean by Kubernetes?: Everything about Kubernetes

What do you Mean by Kubernetes?: Everything about Kubernetes


We all know how essential Containers have turned out to be in today’s fast-moving IT world. Pretty lot every huge company has moved out of their traditional approach of using virtual machines and started using Containers for deployment.

They are looking for the Kubernetes Training who has in-depth knowledge about containerization and orchestration tools. So, it’s high time you understand what Kubernetes is.

What is Kubernetes all about? 

Kubernetes is an open-source container management (orchestration) tool. Its container management duties consist of container deployment, scaling & descaling of containers & container load balancing.

Kubernetes is a portable, extensible, open-source platform for dealing with containerized workloads and services, that enables both declarative configuration and automation. It has a large, rapidly developing ecosystem. Kubernetes services, support, and tools are broadly available.

Why do you need Kubernetes? 

Kubernetes gives you a framework to run allotted structures resiliently. It looks after scaling and failover on your application, offers deployment patterns, and more.

Kubernetes provides you with:

  • Service discovery and load balancing: Kubernetes can expose a field to the use of the DNS name or using their own IP address. If traffic to a container is high, Kubernetes is able to load balance and distribute the network traffic in order that the deployment is stable.
  • Storage orchestration: Kubernetes permits you to automatically mount a storage system of your choice, which includes local storage, public cloud providers, and more.
  • Automated rollouts and rollbacks: You can describe the preferred state to your deployed containers using Kubernetes, and it may change the actual state to the preferred state at a controlled rate. For example, you could automate Kubernetes to create new containers for your deployment, remove existing containers and adapt all their resources to the brand new container.
  • Automatic bin packing: You provide Kubernetes with a cluster of nodes that it could use to run containerized tasks. You tell Kubernetes how much CPU and memory (RAM) each container needs. Kubernetes can fit containers onto your nodes to make satisfactory use of your resources.
  • Self-healing: Kubernetes restarts containers that fail, replaces containers, kills containers that do not respond to your user-defined health check, and does not advertise them to clients till they’re ready to serve.
  • Secret & configuration management: Kubernetes helps you to keep and manage sensitive information, which includes passwords, OAuth tokens, and SSH keys. You can install and update secrets and application configuration without rebuilding your container images, and without exposing secrets on your stack configuration.

What are the core functionalities of Kubernetes?

  • Clusters:  A Kubernetes cluster is a set of nodes/VMs with the same computing and memory resources running Kubernetes software. These nodes also are referred to as a node pool. Kubernetes will redistribute all pods to the new node. Kubernetes tracks numerous metrics to stay informed as to whether or not nodes are available—we will get into that in the Scheduler section later
  • Deploying an application: To deploy an application, you first need a configuration file in YAML format, like docker-compose.yml. In the YAML file, you specify the name of your application, which containers to use, and the CPU/memory resources had to construct your application. You then deploy your application using the kubectl apply command mentioned earlier.
  • Access control: Kubernetes, an open-source system, additionally offers its own role-based access control, called Kubernetes RBAC. With RBAC, you could control things
  • Scheduler: A Kubernetes scheduler is a part that decides where to place your container. It’s responsible for determining wherein to install a pod that allows you to meet certain service level objectives (SLO). It takes into consideration various metrics which include resource usage and resource availability. In some cases, the scheduler must make the decision based on what resources are available at a given time.
  • Persistence volume: Kubernetes pods, by default, have ephemeral storage. When the pod is destroyed or replaced with the new pod, it loses all the data. A persistent volume permits your application to have durable storage independent of the lifecycle of the utility pods.


Not only did Kubernetes assist in horizontal and vertical scaling of containers, but it excelled in terms of engineering expectations.

So what are you waiting for,

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