Fredric News

Tag: SystemOps

  • Kubernetes Multi-Cluster Access: kubeconfig

    💡 Kubernetes Multi-Cluster Access: kubeconfig — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Multi-Cluster Access: kubeconfig. Related documents Body 🔗 https://kubernetes.io/ko/docs/concepts/configuration/organize-cluster-access-kubeconfig/ bash Copy #[Target Cluster] ## ServiceAccount 생성 export KUBE_SA=jenkins export KUBE_NS=jenkins-Enterprise Cloud kubectl create sa -n ${KUBE_NS} ${KUBE_SA} ## SA ClusterRoleBinding 생성 – ## 인증토큰 얻기 kubectl get…

  • HAProxy Archi: L4/L7 Reverse Proxy & HA

    💡 HAProxy Archi: L4/L7 Reverse Proxy & HA — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HAProxy Archi: L4/L7 Reverse Proxy & HA. Required registration elements portal frontend, backend → k8s ingress keycloak vault harbor Optional registration element mariaDB

  • Kubernetes kube-proxy Metric Binding

    💡 Kubernetes kube-proxy Metric Binding — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes kube-proxy Metric Binding. Monitoring kube-proxy kube-proxy also provides a metrics endpoint called /metrics. However, because the default setting is 127.0.0.1:10249, it cannot be accessed from outside. So, if you try to collect it from prometheus, a…

  • Chrome Extension (Manifest V3) Dev: Service

    💡 Chrome Extension (Manifest V3) Dev: Service — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Chrome Extension (Manifest V3) Dev: Service. Sample manifest.json json Copy { “manifest_version”: 3, “name”: “My First Extension”, “version”: “1.0”, “description”: “클릭하면 인사를 건네는 팝업 프로그램”, “action”: { “default_popup”: “popup.html” }, “permissions”: [“activeTab”] } popup.html html…

  • Kubernetes Helm 3 Package Manager Setup

    💡 Kubernetes Helm 3 Package Manager Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Helm 3 Package Manager Setup. References and Guidelines (NOTE) Reference CLI DB: Glossary DB: included inthis: Install Helm Offline bash Copy wget https://get.helm.sh/helm-v3.8.2-linux-amd64.tar.gz # scp tar xvf helm-v3.8.2-linux-amd64.tar.gz cd linux-amd64 cp helm /usr/local/bin Official…

  • WireGuard wg CLI Sheet: Key Generation

    💡 WireGuard wg CLI Sheet: Key Generation — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for WireGuard wg CLI Sheet: Key Generation. Installation Mac OS bash Copy brew install wireguard-tools (VPN Client Tool) Exec help txt Copy Usage: wg <cmd> [<args>] Available subcommands: show: Shows the current configuration and device information…

  • Webpack 5 Module Federation: Micro-Frontend

    💡 Webpack 5 Module Federation: Micro-Frontend — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Webpack 5 Module Federation: Micro-Frontend. rsbuild React Producer (Provider, Remote) bash Copy npm create rsbuild@latest # rsbuild-producer # React # TypeScript cd rsbuild-producer npm add @module-federation/enhanced –save-dev #npm add @module-federation/rsbuild-plugin –save-dev #! 아래의 configuration 확인 후…

  • cf-terraforming: Export Cloudflare DNS into

    💡 cf-terraforming: Export Cloudflare DNS into — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for cf-terraforming: Export Cloudflare DNS into. installation brew bash Copy brew tap cloudflare/cloudflare brew install cloudflare/cloudflare/cf-terraforming go bash Copy go install github.com/cloudflare/cf-terraforming/cmd/cf-terraforming@latest amd64 bash Copy # latest 찾기 version=$(curl -I https://github.com/cloudflare/cf-terraforming/releases/latest | grep -i location | sed…

  • svg-term-cli: Render Asciinema Casts to

    💡 svg-term-cli: Render Asciinema Casts to — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for svg-term-cli: Render Asciinema Casts to. References and Guidelines (NOTE) In order to directly expose terminal operations to Github README.md, etc., a keyframe SVG file is created based ona terminal operation recording tool. Available when the asciinema…

  • Software Terminology: Artifact vs Library

    💡 Software Terminology: Artifact vs Library — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Software Terminology: Artifact vs Library. In software development, artifact and library are often used interchangeably, but they have different meanings. 1. Artifact Artifact refers to all artifacts created during the software development process. This output may…