Fredric News

Tag: Technology

  • GitHub Pages (github.io) Setup with Custom

    💡 GitHub Pages (github.io) Setup with Custom — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for GitHub Pages (github.io) Setup with Custom. old ruby sql Copy brew install chruby ruby-install xz ruby-install ruby 3.1.3 echo “source $(brew –prefix)/opt/chruby/share/chruby/chruby.sh” >> ~/.zshrc echo “source $(brew –prefix)/opt/chruby/share/chruby/auto.sh” >> ~/.zshrc echo “chruby ruby-3.1.3” >> ~/.zshrc…

  • Apache HTTP Server Setup & VirtualHost

    💡 Apache HTTP Server Setup & VirtualHost — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Apache HTTP Server Setup & VirtualHost. RHEL bash Copy mkdir -p /var/www/html/packages yum install httpd yum install firewalld systemctl start httpd systemctl enable httpd systemctl start firewalld systemctl enable firewalld # 방화벽 세팅 firewall-cmd –zone=public…

  • Software Archi: Modularity, Cohesion

    💡 Software Archi: Modularity, Cohesion — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Software Archi: Modularity, Cohesion. The Notion API rate limit was reached. Wait at least 3 seconds before retrying this tool call. Do not retry immediately or in parallel. {“error”:{“code”:”rate_limited”,”classification”:”rate_limit”,”operation”:”fetch”,”message”:”The Notion API rate limit was reached.”,”impact”:”The requested tool…

  • 1Password Connect Server On-Premises & K8s

    💡 1Password Connect Server On-Premises & K8s — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for 1Password Connect Server On-Premises & K8s. Linked Installation Get started with a 1Password Connect server – 1Password Developer bash Copy helm repo add 1password https://1password.github.io/connect-helm-charts/ helm install connect 1password/connect \ –set-file connect.credentials=1password-credentials.json k8s-operator References and…

  • Kubernetes kubeconfig Manifest: Clusters,

    💡 Kubernetes kubeconfig Manifest: Clusters, — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes kubeconfig Manifest: Clusters,. shell bash Copy #!/bin/bash # `./generate_kubeconfig.sh dev 10.0.X.X mypasswd 2222 > .my.kubeconfig` contextName=$1 hostname=$2 ssh_port=${3:-22} dest_ip=$(dig $hostname +short) endpoint=”https://$dest_ip:6443″ ns=default sa=tester # ───────────────────────────────────────────── # 원격 스크립트 정의 # ───────────────────────────────────────────── remote_script=$(cat <<EOF # 1.…

  • k3s Lightweight Kubernetes: Archi & Resource

    💡 k3s Lightweight Kubernetes: Archi & Resource — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for k3s Lightweight Kubernetes: Archi & Resource. Installation & Uninstall Automated Upgrades (deploy to system-upgrade-controller) Documentation 🔗 https://github.com/rancher/system-upgrade-controller?tab=readme-ov-file Exec bash Copy k label nodes $mynode k3s-upgrade=”true” # Y.O.L.O. kubectl apply -k github.com/rancher/system-upgrade-controller Trouble shooting Resolved k3s…

  • Modern Languages Compare: Go, Rust, Java, and

    💡 Modern Languages Compare: Go, Rust, Java, and — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Modern Languages Compare: Go, Rust, Java, and. MSA Conformity Assessment Spring Boot VS Micronaut VS Quarkus VS Go (Golang) VS Node.js VS Kotlin with Ktor Evaluation items Spring Boot Micronaut Quarkus Go (Golang) Node.js…

  • Nginx Web Server Tuning: Reverse Proxy

    💡 Nginx Web Server Tuning: Reverse Proxy — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Nginx Web Server Tuning: Reverse Proxy. References and Guidelines (NOTE) If Nginx is accessed over HTTPS, but internally uses HTTP to communicate with backend services, this is a common configuration known as SSL termination or…

  • Keycloak Open Source IAM: OIDC & SSO

    💡 Keycloak Open Source IAM: OIDC & SSO — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Keycloak Open Source IAM: OIDC & SSO. mariaDB sql Copy — 유저생성 후 keycloak 데이터베이스에 대한 권한 부여 select host,user from mysql.user; create user ‘ckckdm’@’%’ identified by ‘Enterprise Cloud2018!’; grant all privileges on keycloak.*…

  • Linux SSH Session Idle Timeout & Automatic

    💡 Linux SSH Session Idle Timeout & Automatic — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Linux SSH Session Idle Timeout & Automatic. RHEL vi /etc/ssh/sshd_config bash Copy # 클라이언트로부터 데이터를 받지 못한 경우 sshd(8)가 클라이언트로부터 응답을 요청하기 위해 암호화된 채널을 통해 메시지를 보내는 시간 초과 간격을 초 단위로 설정합니다.…