• 한국어
  • English
  • Skip to content

    Hayden's Server Room

    A hands-on IT blog covering security, compliance, AI, fintech, and infrastructure. Written by a CISSP/CISA/PMP-certified professional in multinational corporate environments.

    • HOME
    • ABOUT
    • IT/Reg-Tech
      • Project
      • Tech-Trends
      • AI
      • Infrastructure
        • Platform
        • Server
        • O/S
          • Linux
          • Windows
        • Cloud
        • VMWare
      • Coding
        • Framework
      • DB
        • MS-Sql
        • Oracle
      • Network
      • Security
      • IT Compliance
      • Fin-Tech
      • ETCs
        • WordPress
    • Studying Chinese

    Category: Platform

    • Home
    • Platform

    ‘Ansible’ Version Support Policy – EOS/EOL Schedule

    October 14, 2025 HaydenLeave a Comment on ‘Ansible’ Version Support Policy – EOS/EOL Schedule

    Managing IT infrastructure automation? Chances are you’re using Ansible. But do you know exactly when your current Ansible version will […]

    Coding, Infrastructure, Platform, Security Ansible, EOL, EOS, version support policy

    What is ‘Ansible’? Open-Source IT Automation Tool for DevOps

    October 14, 2025October 14, 2025 HaydenLeave a Comment on What is ‘Ansible’? Open-Source IT Automation Tool for DevOps

    Today, we’ll break down Ansible, an open-source IT automation engine for DevOps, in simple terms. Imagine you need to apply […]

    Coding, Infrastructure, Platform Ansible

    ‘OpenTofu’ Version Support Policy: EOS/EOL Timeline

    October 13, 2025 HaydenLeave a Comment on ‘OpenTofu’ Version Support Policy: EOS/EOL Timeline

    In the era of Infrastructure as Code, which IaC tool are you using? Since HashiCorp’s license change in 2023, many […]

    Cloud, Coding, Infrastructure, Platform, Security EOL, EOS, IaC, Infrastructure as Code, OpenTofu

    ‘Terraform’ Version Support Policy – EOS/EOL Schedule

    October 13, 2025 HaydenLeave a Comment on ‘Terraform’ Version Support Policy – EOS/EOL Schedule

    One of the most overlooked aspects of managing infrastructure as code is keeping track of version end-of-life dates(EOL/EOS). I once […]

    Cloud, Coding, Infrastructure, Platform, Security EOL, EOS, HashiCorp, Terraform

    What is ‘Terraform’? IaC Tool for Managing Cloud Infrastructure”

    October 13, 2025October 13, 2025 HaydenLeave a Comment on What is ‘Terraform’? IaC Tool for Managing Cloud Infrastructure”

    In this post, we’ll take an in-depth look at Terraform, the leading platform in Infrastructure as Code (IaC). Over the […]

    Cloud, Coding, Infrastructure, Platform HashiCorp, IaC, Infrastructure as Code, OpenTofu, Terraform

    What is ‘OpenTofu’? Open-Source Terraform Alternative for IaC

    October 13, 2025October 13, 2025 HaydenLeave a Comment on What is ‘OpenTofu’? Open-Source Terraform Alternative for IaC

    In this post, we’ll take a closer look at OpenTofu, an open-source Infrastructure as Code (IaC) platform. If you’re managing […]

    Coding, Platform Cloud Infrastructure, IaC, Infrastructure as Code, Open Source, OpenTofu, Terraform

    What is ‘Apache Airflow’? Data Pipeline, Workflow Automation

    October 12, 2025 HaydenLeave a Comment on What is ‘Apache Airflow’? Data Pipeline, Workflow Automation

    Have you ever thought, “I need to collect, clean, and analyze data at the same time every day… can’t this […]

    Coding, Platform Apache Airflow, data pipeline, workflow automation

    ‘Apache Airflow’ Version Support Timeline (EOL/EOS)

    October 12, 2025 HaydenLeave a Comment on ‘Apache Airflow’ Version Support Timeline (EOL/EOS)

    Are you using Apache Airflow for workflow automation? If so, you need to know exactly when your current version’s support […]

    Coding, Platform, Security Airflow, Apache, Apache Airflow, EOL, EOS

    What is ‘NestJS’? A Modern and Structured Node.js Framework

    October 12, 2025 HaydenLeave a Comment on What is ‘NestJS’? A Modern and Structured Node.js Framework

    If you’ve been building backends, you’ve probably experienced how project maintenance becomes increasingly difficult as the codebase grows. An Express […]

    Coding, Framework, Platform backend, framework, NestJS, Node.js, web framework

    Express.js? – Node.js Backend Web Server Framework

    October 3, 2025 HaydenLeave a Comment on Express.js? – Node.js Backend Web Server Framework

    Starting web development and finding yourself needing to build a backend server can feel overwhelming. If you can handle the […]

    Coding, Platform backend, Express.js, framework, Node.js, web framework

    What is Angular? Google’s JavaScript Frontend Framework

    October 2, 2025 HaydenLeave a Comment on What is Angular? Google’s JavaScript Frontend Framework

    When building web applications, choosing the right frontend framework can be challenging. Among React, Vue, and Angular, Angular stands out […]

    Coding, Platform Angular, framework, Frontend, Google, JavaScript

    Vue.js? : A Deep Dive into the Progressive JavaScript Framework

    October 2, 2025October 2, 2025 HaydenLeave a Comment on Vue.js? : A Deep Dive into the Progressive JavaScript Framework

    When starting a new web development project or learning frontend development, one of the first questions that comes up is: […]

    Coding, Platform framework, Frontend, JavaScript, Vue.js, web development

    Posts navigation

    Older posts
    Newer posts

    Language

    Categories

    • IT/Reg-Tech (260)
      • AI (24)
      • Coding (73)
        • Framework (16)
      • DB (29)
        • MS-Sql (1)
        • Oracle (4)
      • ETCs (13)
      • Fin-Tech (5)
      • Infrastructure (168)
        • Cloud (11)
        • O/S (44)
          • Linux (11)
          • Windows (32)
        • Platform (91)
        • Server (20)
        • VMWare (20)
      • IT Compliance (5)
      • Network (18)
      • Project (1)
      • Security (93)
      • Tech-Trends (12)
      • WordPress (5)

    Recent Posts

    • What Is RAG? How AI Learns to Stop Making Things Up
      If you’ve ever watched an AI confidently state something completely wrong, you’ve witnessed hallucination firsthand. RAG — Retrieval-Augmented Generation — is the architectural pattern… Read more: What Is RAG? How AI Learns to Stop Making Things Up
    • Excel XLOOKUP #SPILL! Error: How to Fix!
      If you’ve upgraded to Microsoft 365 and suddenly your XLOOKUP formulas are throwing a #SPILL! error where nothing used to fail — you’re not… Read more: Excel XLOOKUP #SPILL! Error: How to Fix!
    • Meta’s AI Glasses — The Post-Smartphone Era Is Already Here
      In 2026, a device that surfaces information in your line of sight without pulling out your phone — and lets you control it with… Read more: Meta’s AI Glasses — The Post-Smartphone Era Is Already Here
    • Notion AI vs Obsidian : Who Wins the Productivity Tool War?
      In 2026, the two giants of the productivity tool market are still Notion and Obsidian. One is a San Francisco unicorn valued at $10… Read more: Notion AI vs Obsidian : Who Wins the Productivity Tool War?
    • Why Discord Owns Gen Z’s Online Communities
      Ask a Gen Z college student what app they use to hang out with friends online, and the answer probably isn’t Instagram DMs or… Read more: Why Discord Owns Gen Z’s Online Communities

    Recent Comments

    No comments to show.

    Archives

    • April 2026
    • March 2026
    • February 2026
    • January 2026
    • December 2025
    • November 2025
    • October 2025
    • September 2025
    • August 2025
    • July 2025
    May 2026
    M T W T F S S
     123
    45678910
    11121314151617
    18192021222324
    25262728293031
    « Apr    
    Copyright © 2026 Hayden's Server Room All rights reserved. Theme: Flash by ThemeGrill. Powered by WordPress
    • Privacy Policy