What is Kubernetes in simple words?

Let us explain it in very simple words: Kubernetes is a system that manages containers (containerized applications) where a container could be explained as a lightweight virtual machine. To build an application you need to build a bunch of containers and then use Kubernetes to manage those containers.
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What is Kubernetes simple terms?

Kubernetes is a portable, extensible, open source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. It has a large, rapidly growing ecosystem. Kubernetes services, support, and tools are widely available.
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What is Kubernetes and why it is used?

Kubernetes, often abbreviated as “K8s”, orchestrates containerized applications to run on a cluster of hosts. The K8s system automates the deployment and management of cloud native applications using on-premises infrastructure or public cloud platforms.
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Is Kubernetes a cloud?

Kubernetes is cloud-agnostic.

Kubernetes runs on Amazon Web Services (AWS), Microsoft Azure, and the Google Cloud Platform (GCP), and you can also run it on premises.
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Is Kubernetes a server?

You can say that Kubernetes/OpenShift is the new Linux or even that "Kubernetes is the new application server." But the fact is that an application server/runtime + OpenShift/Kubernetes + Istio has become the "de facto" cloud-native application platform!
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What is Kubernetes | Kubernetes explained in 15 mins



What is Kubernetes vs Docker?

The difference between the two is that Docker is about packaging containerized applications on a single node and Kubernetes is meant to run them across a cluster. Since these packages accomplish different things, they are often used in tandem. Of course, Docker and Kubernetes can be used independently.
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What are the benefits of Kubernetes?

The 5 key advantages of Kubernetes
  • Reducing development and release timeframes. ...
  • Optimizing IT costs. ...
  • Increased software scalability and availability. ...
  • Flexibility in multi-cloud environments. ...
  • Cloud migration paths.
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What is Kubernetes in DevOps?

DevOps is a software development strategy that combines development and operations teams into a single unit. Kubernetes is an open source orchestration platform designed to help you manage container deployments at scale.
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What is Kubernetes vs Jenkins?

Kubernetes is a complete, managed execution environment for deploying, running, managing and orchestrating containers while Jenkins is an open-source continuous integration and deployment (CI/CD) server that enforces automation in building, testing and deployment of applications.
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What is Kubernetes in Azure?

Azure Kubernetes Service is a robust and cost-effective container orchestration service that helps you to deploy and manage containerized applications in seconds where additional resources are assigned automatically without the headache of managing additional servers.
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What is Kubernetes interview questions?

Kubernetes Interview Questions For Experienced
  • How to run Kubernetes locally? ...
  • What is Kubernetes Load Balancing? ...
  • What the following in the Deployment configuration file mean? ...
  • What is the difference between Docker Swarm and Kubernetes? ...
  • How to troubleshoot if the POD is not getting scheduled?
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What is the difference between Kubernetes and AWS?

Built-in security: Kubernetes creates its own private network with its own isolated, secure networking. Vendor agnostic: Unlike Amazon ECS, Kubernetes is a vendor agnostic platform that can run on any cloud provider or on-premises. Kubernetes workloads are portable and support hybrid and multicloud strategies.
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What is the biggest disadvantage of Kubernetes?

Drawbacks of Kubernetes
  1. Kubernetes can be an overkill for simple applications. ...
  2. Kubernetes is very complex and can reduce productivity. ...
  3. The transition to Kubernetes can be cumbersome. ...
  4. Kubernetes can be more expensive than its alternatives.
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What are features of Kubernetes?

Features Of Kubernetes
  • Automatic Binpacking. ...
  • Service Discovery & Load balancing. ...
  • Storage Orchestration. ...
  • Self-Healing. ...
  • Secret & Configuration Management. ...
  • Batch Execution. ...
  • Horizontal Scaling. ...
  • Automatic Rollbacks & Rollouts.
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What is difference between container and Kubernetes?

While the promise of containers is to code once and run anywhere, Kubernetes provides the potential to orchestrate and manage all your container resources from a single control plane. It helps with networking, load-balancing, security and scaling across all Kubernetes nodes which runs your containers.
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Can Kubernetes run without Docker?

Can Kubernetes Run Without Docker? The answer is both yes and no. Kubernetes, in itself, is not a complete solution. It depends on a container runtime to orchestrate; you can't manage containers without having containers in the first place.
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What is an example of a container?

A thing that contains or can contain something; box, crate, can, jar, etc. A huge, standardized metal container for use in containerization. A receptacle, such as a carton, can, or jar, in which material is held or carried. (1) Any data structure that holds one or more different types of data.
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Why is Kubernetes called K8s?

By the way, if you're wondering where the name “Kubernetes” came from, it is a Greek word, meaning helmsman or pilot. The abbreviation K8s is derived by replacing the eight letters of “ubernete” with the digit 8.
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Does Kubernetes use virtual machines?

KubeVirt allows you to run your virtual machines alongside your containers on a Kubernetes platform. Containers and Kubernetes are awesome technologies that enable applications to run without a heavy operating system (OS), as using a virtual machine (VM) would require.
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What Kubernetes can not do?

What Kubernetes Doesn't Do
  • Kubernetes supports a range of container runtimes. ...
  • Speaking of container images, Kubernetes also does not automate storage or management of the images themselves. ...
  • It wouldn't be right to say that Kubernetes does nothing on the security front.
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What is ECS and EKS?

ECS is a scalable container orchestration platform that allows users to run, stop, and manage containers in a cluster. EKS, on the other hand, helps teams to build Kubernetes clusters on AWS without having to install Kubernetes on EC2 compute instances manually.
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What is POD in cloud?

Pods are the smallest, most basic deployable objects in Kubernetes. A Pod represents a single instance of a running process in your cluster. Pods contain one or more containers, such as Docker containers. When a Pod runs multiple containers, the containers are managed as a single entity and share the Pod's resources.
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What is difference between Kubernetes and EKS?

The EKS service sets up and manages the Kubernetes control plane for you. Kubernetes is used to automate the deployment, scaling, and management of your container-based applications. EKS maintains resilience for the Kubernetes control plane by replicating it across multiple Availability Zones.
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What is POD in Kubernetes?

A pod is the smallest execution unit in Kubernetes. A pod encapsulates one or more applications. Pods are ephemeral by nature, if a pod (or the node it executes on) fails, Kubernetes can automatically create a new replica of that pod to continue operations.
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