1 views collected around this technical thread.
This guide walks you through installing the kubectl cert-manager plugin via krew or offline, checking certificate renewal status, manually renewing certificates, and understanding key timestamps, all to streamline Kubernetes certificate management and boost operational efficiency.
This guide walks you through preparing three AlmaLinux servers, disabling firewalls and SELinux, installing Containerd as the CRI, adding Kubernetes repositories, installing kubeadm, kubelet and kubectl, configuring the runtime, and verifying each component so you can confidently bootstrap a production‑ready Kubernetes cluster.
This guide introduces the kubectl sniff plugin for Kubernetes, explains its non‑privileged and privileged modes, walks through installation via krew or offline, and provides step‑by‑step commands to capture pod traffic with tcpdump and view it in Wireshark, enhancing network debugging efficiency.
Learn how to define and manage multiple Kubernetes clusters using contexts, extract certificates, configure contexts for production and test environments, and boost switching efficiency with the kubectx tool, complete with step‑by‑step commands and practical tips.
This guide introduces nine commonly used kubectl commands—get, create, edit, delete, apply, describe, logs, exec, and cp—explaining their purposes, providing practical examples, and offering tips to help system administrators streamline Kubernetes resource management and troubleshooting.
This guide provides a step‑by‑step tutorial for installing MiniKube on RHEL 8, covering system updates, required dependencies, Docker and kubectl installation, MiniKube binary setup, cluster startup, verification, and optional add‑ons, ensuring a functional local Kubernetes environment.
This article explains how the kubectl command interacts with the Kubernetes control plane, detailing one‑way HTTPS requests and two‑way WebSocket communications, and walks through the full execution flow of a kubectl exec command across kube‑api‑server, kubelet, and the CRI runtime.
This guide introduces the most important and frequently used kubectl commands, explaining how to retrieve version information, manage clusters, list resources, apply configurations, scale deployments, expose services, and debug pods, enabling DevOps engineers to efficiently control Kubernetes environments.
This guide presents a comprehensive collection of the most important and frequently used kubectl commands, explaining how to retrieve version information, manage clusters, list resources, manipulate contexts, create, update, patch, scale, expose, delete, and debug Kubernetes objects, as well as format output and control verbosity, enabling DevOps engineers to efficiently operate Kubernetes clusters.
This guide compiles a comprehensive set of kubectl and Docker command snippets for retrieving logs, sorting pods, managing secrets, cleaning up resources, performing port‑forwarding, patching storage classes, and other routine Kubernetes and container operations, helping administrators streamline cluster maintenance tasks.
This comprehensive guide covers kubectl basics, autocomplete setup, context configuration, creating, viewing, updating, patching, editing, scaling, and deleting resources, as well as interacting with pods, nodes, and using the kubectl set family for resources, selectors, and images.
This comprehensive guide covers kubectl autocomplete setup, context and configuration handling, creating, retrieving, updating, patching, editing, scaling, and deleting resources, interacting with pods and nodes, as well as advanced "kubectl set" commands, resource types, and output formatting for effective Kubernetes cluster operations.
This guide presents essential kubectl commands for creating and managing Deployments, Pods, Services, and Ingresses, checking cluster and node status, running container applications, updating images and resource limits, and handling log collection and monitoring in a Kubernetes environment.
This guide provides a comprehensive, step‑by‑step reference of the most frequently used kubectl commands, covering autocomplete setup, context configuration, resource creation, querying, updating, patching, scaling, deletion, pod interaction, node management, and advanced set operations for effective Kubernetes cluster administration.
This article explains the core functions of the Kubernetes Deployment controller, describes how rolling updates and canary releases work, provides a sample Deployment YAML, and demonstrates common kubectl commands for inspecting, updating, and rolling back deployments in a cloud‑native environment.
This article explains Kubernetes labels and label selectors, their purpose, usage scenarios, and provides step‑by‑step kubectl commands and YAML examples for creating, viewing, updating, and deleting labels to manage resources effectively in a Kubernetes cluster.
This guide shows beginners how to simplify Kubernetes YAML creation by leveraging kubectl's help, dry‑run, and explain commands, providing step‑by‑step examples, code snippets, and practical tips to boost efficiency and confidence when deploying applications.
This article explains the fundamentals of Kubernetes Pods, covering their definition, creation methods, container count, networking model, storage options, and provides essential kubectl commands for managing Pods and deployments.
This article explains the basics of YAML syntax, demonstrates how to generate Kubernetes resource files such as an Nginx deployment using kubectl without applying them, and compares the differences between kubectl create and kubectl apply for interview preparation.
This guide explains Kubernetes namespaces, their purpose for multi‑tenant resource isolation, describes the four default namespaces, and provides step‑by‑step commands to list, create, format, and delete namespaces using kubectl.