Fredric News

Tag: Architecture

  • RHEL Local YUM Repository in Air-Gapped Envs

    💡 RHEL Local YUM Repository in Air-Gapped Envs — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for RHEL Local YUM Repository in Air-Gapped Envs. References and Guidelines (NOTE) Environment: rhel 9.1 qcow2 vm on openstackImage used: rhel-baseos-9.1-x86_64-dvd.iso Build a local repository bash Copy #scp로 이미지 복사 #repository 경로 생성 후 이미지…

  • Kubernetes Control Plane TLS Certificates

    💡 Kubernetes Control Plane TLS Certificates — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Kubernetes Control Plane TLS Certificates. Renewing certificates on your Kubernetes (k8s) cluster is important to maintain security. Certificates are often used to secure communication between various components in a cluster. Below is a step-by-step guide on…

  • HomeLab OPNsense Topology: WAN, LAN, DMZ

    💡 HomeLab OPNsense Topology: WAN, LAN, DMZ — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HomeLab OPNsense Topology: WAN, LAN, DMZ. L2 – NIC Definition L3 – IP band definition Total Interface name type NAT main purpose Band Allocation Use and Description WAN WAN Destination DHCP External Internet use /…

  • Object Storage Archi: S3 APIs vs Block/File

    💡 Object Storage Archi: S3 APIs vs Block/File — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Object Storage Archi: S3 APIs vs Block/File. Why Netflix can provide optimal performance even when using Object Storage The reason why Netflix can provide excellent streaming performance and minimal buffering while using Object Storage…

  • Bash Script User Confirmation Prompts (Y/n)

    💡 Bash Script User Confirmation Prompts (Y/n) — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Bash Script User Confirmation Prompts (Y/n). The Notion API rate limit was reached. Wait at least 7 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…

  • Spring Boot Actuator Dynamic Logger Level

    💡 Spring Boot Actuator Dynamic Logger Level — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Spring Boot Actuator Dynamic Logger Level. The Notion API rate limit was reached. Wait at least 7 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…

  • Spring Data JPA Archi: Persistence & Lazy

    💡 Spring Data JPA Archi: Persistence & Lazy — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Spring Data JPA Archi: Persistence & Lazy. The Notion API rate limit was reached. Wait at least 7 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…

  • Docker Socket Permissions & iptables

    💡 Docker Socket Permissions & iptables — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Docker Socket Permissions & iptables. The Notion API rate limit was reached. Wait at least 6 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…

  • Keycloak Enterprise IAM: Realms, Social Login

    💡 Keycloak Enterprise IAM: Realms, Social Login — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Keycloak Enterprise IAM: Realms, Social Login. The Notion API rate limit was reached. Wait at least 6 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…

  • Vim Text Editor Sheet: Shortcuts & vimrc

    💡 Vim Text Editor Sheet: Shortcuts & vimrc — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Vim Text Editor Sheet: Shortcuts & vimrc. The Notion API rate limit was reached. Wait at least 4 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…