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[Solved] Kubernetes DNS Error: curl: (6) Could not resolve host
Recently, I encountered a particularly pesky issue that had me scratching my head. But don’t worry, fellow K8s…
[Solved] Troubleshooting Kubernetes Application Istio Service Mesh Upstream Connect Error
Problem A microservice application running in Kubernetes with Istio service mesh encountered a connectivity issue between services. Specifically:…
CKS Exam Update: What’s New, What’s Removed
The Certified Kubernetes Security Specialist (CKS) exam is about to undergo a major update, with the new version…
How To Setup Kubernetes Cluster Using Kubeadm
Kubeadm is a tool that makes setting up Kubernetes clusters easier by offering two simple commands: kubeadm init…
An overview of new features in Kubernetes v1.29
Kubernetes v1.29 is the third major version update in 2023 and the last major version this year, containing…
100 Kubernetes Diagnostics Commands with Kubectl
Here is a list of 100 kubectl commands that can be useful for diagnosing issues in a Kubernetes cluster. Cluster Information: Pod…
Kubeconfig File Explained With Practical Examples
The following describes how to use Kubeconfig files to connect to a kubernetes cluster using different methods .…
Exploring Kubernetes : Basic Usage of ETCD
Introduction In daily maintenance of kubernetes clusters, you will more or less need to deal with etcd. One…
Containerd basic Commands and Usage
In Kubernetes 1.24 and newer versions, opting for containerd as the runtime is advisable. Let’s explore the differences…
A guide for Docker users transitioning to the kubectl command line
For Docker users new to Kubernetes, learning the kubectl command efficiently is key. This guide aims to bridge…