Fredric News

Tag: Kubernetes

  • Kubernetes CoreDNS Nameserver T-Shoot

    💡 Kubernetes CoreDNS Nameserver T-Shoot — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes CoreDNS Nameserver T-Shoot. TLDR@1qzxcThere is still version 1.27… . Tried a lot. The only thing that worked was to revert to the version you suggested. Here’s everything I tried for future reference. I installed kubernetes following…

  • Kubernetes Node Communication & Kubelet

    💡 Kubernetes Node Communication & Kubelet — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Node Communication & Kubelet. Infinite reboot issue of controlplanes such as etcd and kube-apiserver when using the latest version of containerd Action Change to use CRI-O Nameserver limit (3) exceeded when installing latest version k8s…

  • k3s Lightweight K8s Setup & Multi-Node

    💡 k3s Lightweight K8s Setup & Multi-Node — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for k3s Lightweight K8s Setup & Multi-Node. Server Default installation bash Copy curl -sfL https://get.k3s.io | sh – Use flag 1: Passed as an environment variable bash Copy curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC=”$FLAGS” sh – 2:…

  • Jsonnet : Templating Large Kubernetes

    💡 Jsonnet : Templating Large Kubernetes — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Jsonnet : Templating Large Kubernetes. Installation jsonnet (c build or go build) jsonnet bundler — package manager bash Copy brew install jsonnet jsonnet-bundler Set up bash Copy # initiate the package manager jb init # >>…

  • Kubernetes kubectl Sheet: Pods & Cluster Ops

    💡 Kubernetes kubectl Cheatsheet: Pod Operations & Debugging — Executive Summary Practical kubectl cheat sheet covering pod management, cluster troubleshooting, resource scaling, and production debugging commands for DevOps engineers. References Reference document 🔗 https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands source code Commands kubectl –help bash Copy kubectl controls the Kubernetes cluster manager. Find more information at: https://kubernetes.io/docs/reference/kubectl/ Basic Commands (Beginner):…

  • Kube-state-metrics: Official Metric Reference

    💡 Kube-state-metrics: Official Metric Reference — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kube-state-metrics: Official Metric Reference. configmap kube_configmap_annotations HELP Kubernetes annotations converted to Prometheus labels. TYPE gauge kube_configmap_labels HELP [STABLE] Kubernetes labels converted to Prometheus labels. TYPE gauge kube_configmap_info HELP [STABLE] Information about configmap. TYPE gauge kube_configmap_created HELP [STABLE]…

  • Prometheus kube-state-metrics: K8s Monitoring

    💡 Prometheus kube-state-metrics: K8s Monitoring — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Prometheus kube-state-metrics: K8s Monitoring. ConfigMap kube_configmap_annotations Convert HELP Kubernetes annotations to Prometheus labels. TYPE gauge kube_configmap_labels HELP [STABLE] Convert Kubernetes labels to Prometheus labels. TYPE gauge kube_configmap_info HELP [STABLE] Information about ConfigMap. TYPE gauge kube_configmap_created HELP [STABLE]…

  • Kubernetes MetalLB: L2 & BGP Routing Architecture

    💡 Kubernetes MetalLB: L2 & BGP Routing Archi — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes MetalLB: L2 & BGP Routing Archi. 📑 Table of Contents MetalLB core architecture and controller/speaker internal components MetalLB’s node network integration principle and virtual IP (VIP) routing scheme MetalLB Service receiving port definition…

  • 쿠버네티스 Helm 3 패키지 매니저 설치 및 로컬 차트 리포지토리

    💡 핵심 요약 (Executive Summary) 본 가이드는 쿠버네티스 Helm 패키지 매니저 핵심 가이드 및 실전 아키텍처의 핵심 개념, 실전 구성 명령어 및 아키텍처 베스트 프랙티스를 다룹니다. 클라우드 네이티브 및 인프라 엔지니어링 실무에 즉시 활용 가능하도록 체계적으로 정리했습니다. 📑 Table of Contents • Helm Offline 설치 Reference & Guidelines (NOTE) Reference CLI DB: Glossary DB: included…

  • 쿠버네티스 kube-proxy 메트릭 바인딩 설정과 보안 전략

    💡 핵심 요약 (Executive Summary) 본 가이드는 exporter kube proxy 핵심 가이드 및 실전 아키텍처의 핵심 개념, 실전 구성 명령어 및 아키텍처 베스트 프랙티스를 다룹니다. 클라우드 네이티브 및 인프라 엔지니어링 실무에 즉시 활용 가능하도록 체계적으로 정리했습니다. 📑 Table of Contents • kube-proxy 모니터링 하기 • 설정 변경하기 kube-proxy 모니터링 하기 kube-proxy도 /metrics라는 매트릭 엔드 포인트를 제공한다.…