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This article explains how Kubernetes' kube-proxy component implements service discovery and load balancing using two modes—iptables and ipvs—detailing the underlying packet‑processing chains, NAT rules, probability‑based forwarding, and the performance differences between the two approaches.
This article introduces the concept of managed Kubernetes clusters, compares them with traditional setups, details the architecture and implementation process, discusses challenges such as cross‑cluster webhook routing, certificate issuance, container runtime integration, and outlines the diverse features of the dedicated cluster solution.
This article explains why traditional kubectl exec fails under common Kubernetes security best‑practices and demonstrates how to use kubectl debug to launch temporary containers with shared namespaces, install tools like htop, and explore alternative debugging methods such as kpexec and AI‑assisted Appilot.
This tutorial demonstrates how to use Terraform to define and provision common Kubernetes resources such as namespaces, deployments, services, ConfigMaps, Secrets, and PersistentVolumeClaims, providing step‑by‑step commands, code examples, and verification procedures for a fully automated workflow.
This article explains the concept of graceful shutdown, outlines essential steps, examines Kubernetes pod termination and Spring Boot integration with Nacos, and provides practical optimizations—including PreStop hooks, terminationGracePeriod settings, and actuator shutdown—to ensure reliable service termination without data loss.
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 article explains how Kubernetes assigns unique IP addresses to Pods using Flannel as the CNI network provider and Containerd as the container runtime, covering underlying concepts like Linux bridges, VXLAN encapsulation, node IPAM, and the interactions among kubelet, CRI, and CNI plugins.
This article provides a detailed introduction to Kubernetes (K8S), explaining its four main problem areas, the master‑node architecture, key master and node components, networking modules, and the relationship between K8S and Docker, while also offering additional resource links.
This article explains how to use Cloudflare's open‑source Pingora Rust framework to implement a Kubernetes ingress gateway, covering objectives, architecture, code examples for an ingress watcher and router control, deployment steps, and custom configuration integration.
This article shares the architecture design, cluster deployment, storage selection, multi‑region mode, service discovery, performance tuning, monitoring, alerting, and future plans of a production‑grade Apache Pulsar platform running on Kubernetes, providing valuable insights for engineers adopting Pulsar.