Fredric News

Category: Utilities

  • Domain-Driven Design (DDD) EventStorming

    💡 Domain-Driven Design (DDD) EventStorming — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Domain-Driven Design (DDD) EventStorming. MSA-based design performance process Deriving microservices Domain identification and definition of relationships between data Microservice identification Definition of internal architecture Establishment of MSA-based design principles reflecting organ system characteristics Status analysis/microservice design based…

  • Linux System Identifiers: UID, GID, PID

    💡 Linux System Identifiers: UID, GID, PID — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux System Identifiers: UID, GID, PID. References and Guidelines (NOTE) In Linux/Unix systems, several identifiers exist to identify various resources throughout the system. Key identifiers File Descriptors Description: A number that identifies an input/output stream…

  • Modern Frontend JavaScript State Mgmt Compare

    💡 Modern Frontend JavaScript State Mgmt Compare — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Modern Frontend JavaScript State Mgmt Compare. Next.js VS Express.js VS NestJS Framework Role Main Features Relevance to other frameworks Next.js front-end framework – React-based – Server-side rendering (SSR) and static site generation (SSG) – File-based…

  • All-in-One Cloud Lab: VM Provisioning to

    💡 All-in-One Cloud Lab: VM Provisioning to — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for All-in-One Cloud Lab: VM Provisioning to. All-in-one Archi Phase 1 – Setup VM References and Guidelines (NOTE) //Instance configuration Phase 2 – Setup K8s Phase 3 – Setup Middleware / / References and Guidelines (NOTE)…

  • PostgreSQL Database Admin: MVCC & Indexing

    💡 PostgreSQL Database Admin: MVCC & Indexing — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for PostgreSQL Database Admin: MVCC & Indexing. Basic sql Copy CREATE USER keycloak PASSWORD ‘keycloak’ SUPERUSER; CREATE DATABASE test_keycloak OWNER keycloak; — **DB 데이터베이스 생성** CREATE DATABASE *dbname* OWNER *ownnerName* DB Access 🔗 https://rianshin.tistory.com/68 bash Copy…

  • Ansible Automation Archi: Inventories

    💡 Ansible Automation Archi: Inventories — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Ansible Automation Archi: Inventories. 📑 Table of Contents playbook Detailed log output Specify log file (save) Closed network repository Check download variable (most important) Docker repository insecure settings troubleshooting playbook Architecture & System Flow Diagram SVG 100%…

  • Enterprise Archi Principles: High

    💡 Enterprise Archi Principles: High — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Enterprise Archi Principles: High. 📑 Table of Contents Business Repository Application GitOps Monitoring Extra Hardware Application GitOps Business Repository Architecture & System Flow Diagram SVG 100% Pan & Zoom Application Cluster Overview Architecture & System Flow Diagram…

  • Harbor Private Registry: Replication

    💡 Harbor Private Registry: Replication — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Harbor Private Registry: Replication. Reference link Issue Immediately after building, the contents can be confirmed to some extent as shown on the left. Images pulled from harbor are sha256 encrypted as shown on the right. Manual deployment…

  • 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…