Fredric News

Category: Utilities

  • Spring Framework Core Archi: IoC/DI & AOP

    💡 Spring Framework Core Archi: IoC/DI & AOP — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Spring Framework Core Archi: IoC/DI & AOP. Subpage Related pages Spring load order Servlet container initialization: Servlet containers such as Tomcat and Jetty are initialized and servlets are configured. Register and initialize DispatcherServlet: The…

  • MySQL Database Performance Tuning & Slow

    💡 MySQL Database Performance Tuning & Slow — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for MySQL Database Performance Tuning & Slow. Server Only Subpage Command In Server bash Copy tee ./$filename # 이후 쿼리콘솔내에서 클라이언트 종료시점까지 나오는 모든 출력을 파일에 기록 Expression in CLI sql Copy \e #줄바꿈 SQL 실행…

  • Spring Boot Actuator Logback Logger Conflict

    💡 Spring Boot Actuator Logback Logger Conflict — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Spring Boot Actuator Logback Logger Conflict. Looking at this setting, changing the log level through Actuator is likely not possible in some packages. I will analyze the cause and suggest a solution. 🚀 🔎 Problem…

  • OAuth 2.0 & OIDC Token Analysis: ID vs Access

    💡 OAuth 2.0 & OIDC Token Analysis: ID vs Access — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for OAuth 2.0 & OIDC Token Analysis: ID vs Access. References and Guidelines (NOTE) ID Token and Access Token are the two main tokens used in the OAuth 2.0 and OpenID Connect (OIDC)…

  • Node.js npm Sheet: Dependency Mgmt & Audit

    💡 Node.js npm Sheet: Dependency Mgmt & Audit — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Node.js npm Sheet: Dependency Mgmt & Audit. Related pages Sub-item Install Command Global / regional classification bash Copy # 현재 프로젝트 (package.yaml) 기준으로 패키지 인스톨 npm i -y $package npm install -y $package #…

  • Docker Image Tag, Push & Cleanup Automation

    💡 Docker Image Tag, Push & Cleanup Automation — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Docker Image Tag, Push & Cleanup Automation. V5 image tag & push bash Copy cat <<EOF >> tmp.sh repository=ghcr.io/myeong-han $(docker images | grep -Ev ‘REPOSITORY’ | awk ‘{ img = $1; sub(/.*\//, “”, img);…

  • Service Mesh Archi: Istio & Linkerd Data

    💡 Service Mesh Archi: Istio & Linkerd Data — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Service Mesh Archi: Istio & Linkerd Data. Service Mesh Overview Summary of reasons to use service mesh API gateway focuses on requests from the outside to services, while service mesh focuses on communication between…

  • Terraform IaC Sheet: Provisioning & State Ops

    💡 Terraform IaC Sheet: Provisioning & State Ops — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Terraform IaC Sheet: Provisioning & State Ops. Setup brew: snap: bash Copy sudo snap install terraform –classic amd64: bash Copy sudo apt update sudo apt install unzip wget -q https://releases.hashicorp.com/terraform/1.4.5/terraform_1.4.5_linux_amd64.zip unzip terraform_1.4.5_linux_amd64.zip rm terraform_1.4.5_linux_amd64.zip…

  • Linux APT/YUM Private Mirror Repository Setup

    💡 Linux APT/YUM Private Mirror Repository Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux APT/YUM Private Mirror Repository Setup. DEB/Ubuntu mariadb bash Copy curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup | sudo bash -s — –mariadb-server-version=”mariadb-10.4″ versions mariadb-10.4 mariadb-10.5 mariadb-10.6 mariadb-10.10 mariadb-10.11 mariadb-11.0 mariadb-11.1 mariadb-11.2 maxscale bash Copy curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup |…

  • Bitbucket Self-Hosted Runner Setup

    💡 Bitbucket Self-Hosted Runner Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Bitbucket Self-Hosted Runner Setup. On k8s 🔗 https://support.atlassian.com/bitbucket-cloud/docs/deploying-the-docker-based-runner-on-kubernetes/ Sample Exec Create Bitbucket Runner Access https://bitbucket.org/\${organization}/\${repository}/admin/pipelines/runners Access the bitbucket Repository main page Access Repository settings at the bottom of the left sidebar Access Runners at the bottom of…