Category Archives for Docker Kubernetes

kubectl cheat sheet

Kubernetes (Kubectl) Cheatsheet: Essential Commands for Managing Your Clusters

๐Ÿš€ Master Kubernetes cluster management with our latest blog post! ๐Ÿš€ ๐Ÿ“Œ Our “Kubernetes Cheatsheet” blog covers all the essential commands you need to know for managing your containerized applications with ease. ๐Ÿ“Œ From creating and updating clusters to managing pods, services, deployments, scaling, and ingress, this cheatsheet is a must-have tool for developers and […]

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Solving Kubectl commands results in error: exec plugin: invalid apiVersion?

๐Ÿ“Œ This blog post discusses the problem and solution that very few of us encountered while running the kubectl command. ๐Ÿ“Œ We often see an error message that reads โ€œerror: exec plugin: invalid apiVersion client.authentication.k8s.io/v1alpha1โ€ณ while using kubectl. ๐Ÿค“ So, Want to learn how the error can be fixed? โžก Checkout this blog- https://k21academy.com/kubernetesdev15ย  , […]

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kubernetes in production

Kubernetes in Production: Top 10 actions you should take

๐Ÿ“Œ The technology of containers and Kubernetes is ruling the job market. When working in IT, one should be familiar with Kubernetes from DevOps in order to obtain a higher-paying job. ๐Ÿ“Œ Kubernetes must fulfil a number of requirements in order to be ready for production. It must also have built-in disaster recovery capabilities, be […]

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Kubernetes Custom Resource Definition (CRDs): A Complete Overview

Kubernetes Custom Resource Definition (CRDs): A Complete Overview

๐Ÿ“Œ Using Kubernetes CustomResourceDefinitions(CRDs), you can expand the Kubernetes API to achieve the desired results . ๐Ÿ“Œ The process for defining a custom resource is called custom resource definition. This is an effective way to go beyond the Kubernetes installation by default. ๐Ÿ“Œ When you create a new CustomResourceDefinition, the Kubernetes API Server creates a […]

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๐Š๐ฎ๐›๐ž๐ซ๐ง๐ž๐ญ๐ž๐ฌ ๐’๐ญ๐จ๐ซ๐š๐ ๐ž: ๐€ ๐ƒ๐ž๐ญ๐š๐ข๐ฅ๐ž๐ ๐Ž๐ฏ๐ž๐ซ๐ฏ๐ข๐ž๐ฐ

๐Ÿ“Œ Storage has long been a source of consternation for IT professionals, with issues such as data integrity, preservation, replication, and migration. ๐Ÿ“Œ Kubernetes storage makes it easy for K8s programmes to request and use storage resources. ๐Ÿ“Œ Volumes are the foundation of the Kubernetes storage architecture. ๐Ÿ“Œ Volumes can be persistent or non-persistent, and […]

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ns featured image

๐Š๐ฎ๐›๐ž๐ซ๐ง๐ž๐ญ๐ž๐ฌ ๐๐š๐ฆ๐ž๐ฌ๐ฉ๐š๐œ๐ž: ๐„๐ฏ๐ž๐ซ๐ฒ๐ญ๐ก๐ข๐ง๐  ๐ฒ๐จ๐ฎ ๐ง๐ž๐ž๐ ๐ญ๐จ ๐ค๐ง๐จ๐ฐ

๐Ÿ“ŒKubernetes namespaces are a mechanism for isolating groups of resources within a single cluster. Resource names must be unique within a namespace but not across namespaces. ๐Ÿ“Œ When many teams or projects share a Kubernetes cluster, namespaces provide a means to divide clusters into virtual sub-clusters. ๐Ÿค“ Want to learn more about ๐Š๐ฎ๐›๐ž๐ซ๐ง๐ž๐ญ๐ž๐ฌ ๐๐š๐ฆ๐ž๐ฌ๐ฉ๐š๐œ๐ž? โšก […]

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error from server

[๐’๐จ๐ฅ๐ฏ๐ž๐] ๐„๐ซ๐ซ๐จ๐ซ ๐Ÿ๐ซ๐จ๐ฆ ๐ฌ๐ž๐ซ๐ฏ๐ž๐ซ (๐’๐ž๐ซ๐ฏ๐ข๐œ๐ž๐”๐ง๐š๐ฏ๐š๐ข๐ฅ๐š๐›๐ฅ๐ž): ๐ญ๐ก๐ž ๐ฌ๐ž๐ซ๐ฏ๐ž๐ซ ๐ข๐ฌ ๐œ๐ฎ๐ซ๐ซ๐ž๐ง๐ญ๐ฅ๐ฒ ๐ฎ๐ง๐š๐›๐ฅ๐ž ๐ญ๐จ ๐ก๐š๐ง๐๐ฅ๐ž ๐ญ๐ก๐ž ๐ซ๐ž๐ช๐ฎ๐ž๐ฌ๐ญ (๐ ๐ž๐ญ ๐ง๐จ๐๐ž๐ฌ.๐ฆ๐ž๐ญ๐ซ๐ข๐œ๐ฌ.๐ค8๐ฌ.๐ข๐จ)

๐Ÿ“ŒThis blog post covers the issue & fix that most of us encountered while configuring the metric server in Kubernetes and after running the kubectl top nodes command. ๐Ÿ“Œ We often see a kubectl top nodes shows Error from server (ServiceUnavailable): the server is currently unable to handle the request (get nodes.metrics.k8s.io). ๐Ÿค“ So, Want […]

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Auditing in Kubernetes

Auditing In Kubernetes: A Complete Overview

๐Ÿ“Œ As Kubernetes popularity increases, Kubernetes auditing is a crucial source of information to incorporate into your Kubernetes security strategy. ๐Ÿ“Œ It provides full insight into all activities occurring within the cluster to security and DevOps teams. ๐Ÿ“Œ The audit policy specifies standards for the events that must be reported and the data that must […]

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Kubernetes Troubleshooting

Complete Guide on Troubleshooting Kubernetes

๐Ÿ“Œ In a production environment, you need to manage the containers that run the applications and ensure that there is no downtime. To provide consistent support and service we need to continuously debug and troubleshoot the complete Kubernetes cluster. In this blog, we are going to learn about Kubernetes Troubleshooting. ๐Ÿ“Œ The process of discovering, […]

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๐๐จ๐ ๐’๐ž๐œ๐ฎ๐ซ๐ข๐ญ๐ฒ ๐’๐ญ๐š๐ง๐๐š๐ซ๐๐ฌ (๐๐’๐’): ๐€๐ฅ๐ฅ ๐˜๐จ๐ฎ ๐๐ž๐ž๐ ๐ญ๐จ ๐Š๐ง๐จ๐ฐ

๐Ÿ“Œ To enhance Kubernetes security, you must regulate and limit the number of pods that may be generated and deployed in your environment. Kubernetes has given a beta feature called Pod Security Policy (PSP) for this purpose, which will shortly be deprecated and replaced with a standard called Pod Security Standards (PSS). ๐Ÿ“Œ Because PSPs […]

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