Fredric News

Tag: SystemOps

  • Kubernetes Helm 3 Sheet: Release & Rollback

    💡 Kubernetes Helm 3 Sheet: Release & Rollback — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Helm 3 Sheet: Release & Rollback. Installation bash Copy curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash Exec completion html Copy echo “source <(helm completion bash)” >> ~/.bashrc source ~/.bashrc search bash Copy # artifacthub.io에서 차트 검색…

  • KubeVirt Virtualization on K8s: Containers

    💡 KubeVirt Virtualization on K8s: Containers — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for KubeVirt Virtualization on K8s: Containers.

  • HomeLab OPNsense Router & Firewall Setup

    💡 HomeLab OPNsense Router & Firewall Setup — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab OPNsense Router & Firewall Setup. Step 0: Preparation Purchase Hardware Download Image 🔗 https://opnsense.org/download/ select amd64 → vga → downalod Create Bootable USB Disk bash Copy brew install balenaetcher –cask Boot BIOS entry: f2,…

  • ArgoCD GitOps Controller Prometheus

    💡 ArgoCD GitOps Controller Prometheus — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for ArgoCD GitOps Controller Prometheus. Index Prometheus Manifest References and Guidelines (NOTE) Name: PrometheusDeployed: k8s, argo-cd, bitnamiNote: Automatic creation of Node Exporter when using default value (Master + Worker) Argo-cd Manifest, Target Definition yaml Copy project: default source:…

  • Cloudflare DNS & Cloudflared Tunnel for

    💡 Cloudflare DNS & Cloudflared Tunnel for — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Cloudflare DNS & Cloudflared Tunnel for. References and Guidelines (NOTE) Required and recommended elements from URL purchase to application routing are indicated in *red Impliments Links Check domain provider: ICANN Lookup Godaddy: Domain Names, Websites,…

  • 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…

  • Modern JavaScript Tooling: Linters,

    💡 Modern JavaScript Tooling: Linters, — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Modern JavaScript Tooling: Linters,. The subdocument of Runtime Node The most widely used JavaScript runtime, allowing you to run JavaScript on the server side.Uses the V8 engine and is often used for server-side application development. Bun High-speed…

  • Engineering IT Glossary: Infra & Cloud

    💡 Engineering IT Glossary: Infra & Cloud — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Engineering IT Glossary: Infra & Cloud. Web development common Basic Terminology Parameter Parameters used in function definition a and b below are parameters of the test function. javascript Copy function test(a, b) { return a…

  • 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…