Fredric News

Tag: OpenSource

  • Karmada Multi-Cluster Kubernetes: Scheduling

    💡 Karmada Multi-Cluster Kubernetes: Scheduling — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Karmada Multi-Cluster Kubernetes: Scheduling. Related pages Operation karmada-apiserver This is a control-plane running as a pod, and the deploy of the apiserver does not deploy the pod, but deploys the member cluster. txt Copy kubectl config use-context…

  • Infisical CRD Manifest & Kubernetes Secret

    💡 Infisical CRD Manifest & Kubernetes Secret — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Infisical CRD Manifest & Kubernetes Secret. Secret: infisical-secrets References and Guidelines (NOTE) Environmental information such as secret key used during infisical installation env bash Copy AUTH_SECRET=$(openssl rand -base64 32) ENCRYPTION_KEY=$(openssl rand -hex 16) REDIS_URL=redis://default:[email protected]:6379 DB_CONNECTION_URI=postgresql://infisical:[email protected]:5432/infisical…

  • Advanced Bash Shell Scripting: Signal Traps

    💡 Advanced Bash Shell Scripting: Signal Traps — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Advanced Bash Shell Scripting: Signal Traps. 🔗 https://minddoodle.tistory.com/m/10 🔗 https://jdm.kr/blog/4 Summary bash Copy # cmd결과를 변수로 사용하여 cmd 실행 command $({ command }) ENV BASH_SOURCE bash Copy # 현재 스크립트의 위치를 찾기 SCRIPT_DIR=”$(cd “$(dirname “${BASH_SOURCE[0]}”)”…

  • Terraform IaC Archi: S3 Backend & State

    💡 Terraform IaC Archi: S3 Backend & State — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Terraform IaC Archi: S3 Backend & State. Pages Concept Provider with RBAC Module composition main.tf variables.tf outputs.tf state-based comparison and update Example Directory rules recommended for multi-provider management bash Copy project-root/ │ ├── main.tf…

  • Prometheus Monitoring Archi: Scrape Engine

    💡 Prometheus Monitoring Archi: Scrape Engine — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Prometheus Monitoring Archi: Scrape Engine. Docs Components Metrics Counter: A cumulative metric representing a single incrementing counter whose value can be incremented or reset to 0 on restart. Gauge: A metric that represents a single numeric…

  • Wireshark Packet Capture & BPF Protocol

    💡 Wireshark Packet Capture & BPF Protocol — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Wireshark Packet Capture & BPF Protocol. Related documents installation bash Copy brew install –cask wireshark Filters Filter specification HTTP Filter http http.request http.request.method == “GET” http.request.method == “POST” http.response tls http2 http3 Filter by Source…

  • Infisical Secret Mgmt Helm Deployment on K8s

    💡 Infisical Secret Mgmt Helm Deployment on K8s — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Infisical Secret Mgmt Helm Deployment on K8s. References Install Helm 🔗 https://infisical.com/docs/self-hosting/deployment-options/kubernetes-helm ENV 🔗 https://infisical.com/docs/integrations/platforms/kubernetes shell Copy #helm install –generate-name infisical-helm-charts/secrets-operator –version=<PLACE-CHART-VERSION-HERE> –set controllerManager.manager.image.tag=<PLACE-APP-VERSION-HERE> #helm install –generate-name infisical-helm-charts/secrets-operator –version=0.1.4 –set controllerManager.manager.image.tag=v0.2.0 helm pull infisical/secrets-operator…

  • Jekyll Static Blog Build T-Shoot & Ruby Gems

    💡 Jekyll Static Blog Build T-Shoot & Ruby Gems — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Jekyll Static Blog Build T-Shoot & Ruby Gems. Rationale bash Copy ❯ jekyll serve Configuration file: /Users/mh/workspaces/myeong-han.github.io/_config.yml Source: /Users/mh/workspaces/myeong-han.github.io Destination: /Users/mh/workspaces/myeong-han.github.io/_site Incremental build: disabled. Enable with –incremental Generating… done in 0.266 seconds. Auto-regeneration:…

  • Harvester HCI Bare-Metal Installation via ISO

    💡 Harvester HCI Bare-Metal Installation via ISO — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Harvester HCI Bare-Metal Installation via ISO. Installation Preparation Create Bootable USB Disk https://github.com/harvester/harvester/releases/latest bash Copy brew install balenaetcher –cask Booting Configuration disk, nic settings: Select physical equipment using only the arrow keys and tab, enter,…

  • Linux top Command Sheet: CPU & Memory

    💡 Linux top Command Sheet: CPU & Memory — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux top Command Sheet: CPU & Memory. bash Copy top CPU Usage us (user): Time used by processes running in user space. sy (system): Time used by processes running in kernel space. ni (nice):…