Fredric News

Tag: CloudNative

  • 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]}”)”…

  • 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):…

  • Kubernetes Labels & Annotations

    💡 Kubernetes Labels & Annotations — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Labels & Annotations. Label namespace bash Copy #istio 카나리 배포 istio.io/rev=canary #istio 프록시 주입 허용 or 불허 istio-injection=enabled or disabled pod bash Copy #istio 카나리 배포 istio.io/rev=canary #istio 프록시 주입 허용 or 불허 sidecar.istio.io/inject=”true” or “false”…

  • yq CLI Sheet: YAML Parsing, Querying

    💡 yq CLI Sheet: YAML Parsing, Querying — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for yq CLI Sheet: YAML Parsing, Querying. Installation Debian yaml Copy apt install golang-go # yq4 정상설치 go install github.com/mikefarah/yq/v4@latest export PATH=”$PATH:~/go/bin” snapd bash Copy # snap버그있으니 쓰지마셈 snap install yq apt yaml Copy # 이상한버전…

  • TACO 2.0 Infra: K8s, Ceph & OpenStack

    💡 TACO 2.0 Infra: K8s, Ceph & OpenStack — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for TACO 2.0 Infra: K8s, Ceph & OpenStack. This manual was written based on the EC2 environment created by AWS, and is an AIO (All-In-One) guide that installs Kubernetes, Ceph, and OpenStack all in one…

  • JavaScript Core: Event Loop & Async

    💡 JavaScript Core: Event Loop & Async — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for JavaScript Core: Event Loop & Async. Grammar Type 1. Primitive Types A primitive type represents a single value, and is a data type in which the value itself is stored. Primitive types are immutable, and…