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Kubernetes Tutorial for Beginners: Basic Concepts

Kubernetes, often abbreviated as K8s, is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. It was originally developed by Google and is now maintained by the Cloud Native Computing Foundation (CNCF). Kubernetes is a powerful tool for managing containerized applications and has become the de facto standard for container orchestration in the cloud-native ecosystem. - Docker and Kubernetes Training in Hyderabad

Here are some basics to get you started with Kubernetes:

1. Containers: Kubernetes is designed to manage containerized applications. Containers are lightweight, isolated environments that package an application and its dependencies, making it easy to run consistently across different environments. - Kubernetes Training Hyderabad

2. Nodes: In a Kubernetes cluster, you have a group of machines called nodes. Nodes can be physical servers or virtual machines. Kubernetes uses these nodes to run your containers. - Docker and Kubernetes Training

3. Master Node: One or more nodes in the cluster are designated as master nodes. The master node(s) are responsible for managing the overall state of the cluster and making decisions about scheduling and scaling containers.

4. Worker Node: The nodes that run your containers are known as worker nodes. These nodes are responsible for running containers and reporting their status to the master node. - Kubernetes Online Training Hyderabad

5. Pods: The smallest deployable unit in Kubernetes is called a pod. A pod can contain one or more containers that share the same network namespace and storage volume. Containers within a pod are scheduled together and can communicate with each other via localhost. - Docker Online Training

6. ReplicaSets: ReplicaSets are used to ensure that a specified number of pod replicas are running at all times. They are a way to achieve high availability for your applications. - Docker Online Training Hyderabad

7. Services: Services in Kubernetes provide a stable IP address and DNS name for a set of pods. They enable load balancing and service discovery, allowing you to access your application without needing to know the IP addresses of individual pods. - Kubernetes Online Training

8. Labels and Selectors: Labels are key-value pairs that you can attach to objects in Kubernetes, such as pods or services. Selectors are used to query and select objects based on their labels. This is essential for grouping and managing resources. - Docker Training in Hyderabad

9. ConfigMaps and Secrets: ConfigMaps and Secrets are used to store configuration data and sensitive information, respectively. They allow you to decouple configuration from your application code.

10. Kubectl: `kubectl` is the command-line tool used to interact with a Kubernetes cluster. You can use it to create, modify, and manage resources in your cluster.

 

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