What is Kubernetes and What are Kubernetes Used For

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Oct 16, 2023

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Kubernetes is a container orchestration platform, which is an open-source that helps in automating various manual processes that include management, deployment, and scaling containers in various applications along with facilitating declarative configurations. In other words, it can be called the ‘operating system for clouds’. It means “helmsman” or “pilot” in Greek. It was originally developed by tech giant Google. If you wish to deploy and manage applications in the microservice architecture, then using   Kubernetes is very beneficial. With training to learn DevOps online for a better understanding of DevOps, Kubernetes environments can be a real asset for the company.

Why Kubernetes?

Established as a proven and strong platform that is in demand with most of the companies that are looking for a microservice-based architecture that makes use of various containers, Kubernetes has the following four major advantages :

Orchestration of storage

If you wish to have an automated mounted storage system for your application, then there is nothing else you should think about. With Kubernetes, you will get so many choices of your storage system that could range from local storage to any public cloud services and much more.  This is very helpful when you want to move workload but do not want to redesign your application or completely make changes to your infrastructure. With this, you can manage and deploy your application at any cloud you wish for.

Keeps you at pace

When you are looking for a system that could help the development team to develop PaaS (platform-as-a-service) self-service, Kubernetes can play a major role. Using the tooling tools that are developed around, the team will be able to efficiently make requests for the resources that are needed without a lot of paperwork and filling so many forms.

It is cost-effective

As the containers used in Kubernetes are very lightweight and they also use very little CPU storage, they can be regarded as a cost-efficient way of working around in the application. There are fewer memory resources that are required to run. Not only this, using this, better utilization of all the resources can be achieved that could make the whole process cost-effective. It can fit the containers onto the nodes of your application which helps to attain the best use of the resources you have.

Heals itself

If the container is failing in Kubernetes, it will restart it. Along with this, it can replace and kill the containers that do not pass the user-defined health check. The containers that are not ready are not being advertised to the client in any condition.

Configuration management

Another important reason why companies are moving towards Kubernetes is that it gives an option to manage as well as store sensitive information that includes SSH keys, OAuth Tokens along with sensitive passwords. You can very easily go for the deployment of your secret configuration without having the risk of exposing the secret in the configuration.

There are jargons in many technologies and they can be barriers when you are looking for an entry. After looking at what are Kubernetes, let’s learn some of the most common use terms in Kubernetes which could make learning a bit easier for those who wish to go for Kubernetes and DevOps training online.

1. Control Plane: It is known as the collection of the various processes that are used to control different nodes (explained later) in Kubernetes. Here all tasks assignments are originated.

2. Nodes: Nodes are the machines that are used to perform the tasks that are given to it by the control plane.

3. Pod: A single node consists of one or more containers and the group of those containers is called a pod. The IP address, hostname, and other kinds of resources are the same for all the containers that are part of the same pod. Using this, the movement of containers around the cluster becomes very easy.

4. Replication Controller: There are parts in Kubernetes which control how many copies of the given set of pods will run in the cluster somewhere.

5. Kubelet: Running on nodes, this service makes sure that the containers are starting and running as per the request and also reads the given containers.

6. Kubectl: The tool for command-line configuration in Kubernetes is known as Kubectl.

If you want to make your way through these terms and want to have an in-depth knowledge of how these applications and DevOps work, you can go for DevOps Certification and choose a great career out of these in-demand frameworks. With DevOps knowledge, you will be able to scale up the use of Kubernetes and can experience enhanced security.

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What is Kubernetes Used for and How Does it Work?

Any application gets complicated over time and many containers are needed to be deployed across different servers, so to manage it more effectively Kubernetes can be used. It provided an open-source API that can help in managing how and when those containers will run for the application.

Kubernetes has a cluster of virtual machines and it also schedules the containers that will run on those virtual machines. It is done based on the requirement for each container. The basic unit of Kubernetes, called pods, is used to group containers and those pods are used to scale to the desired state you wish for.

The other tasks that are performed by Kubernetes include efficient resource allocation, managing service discovery automatically, and also take care of load balancing. As mentioned above, it can replace or kill the container to keep the health of the system in check.


With this, you will have a clear Kubernetes definition and start exploring the world with the right training. You can head straight to DevOps Learning and know how it can help you understand how DevOps practices in the Kubernetes environment can lead to frequent releases and growing applications.


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