• 한국어
  • English
  • Skip to content

    헤이든의 전산실 (Hayden's Server Room)

    IT(금융IT/보안), 중국어, 영어와 관련된 모든 궁금증! / All About IT (FinTech & Security), Your Ultimate Guide!

    • [HOME]
    • [Whomi]
    • [IT/Reg-Tech]
      • Project
      • 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]

    Year: 2025

    • Home
    • 2025

    The Complete Guide to RTO/RPO – Designing the Right BCP/DR Strategy for Your Organization

    2025년 11월 27일 HaydenLeave a Comment on The Complete Guide to RTO/RPO – Designing the Right BCP/DR Strategy for Your Organization

    In this post, I’m going to dive into the topic “The Complete Guide to RTO/RPO – Designing the Right BCP/DR […]

    IT Compliance, Security BCP, BIA, business continuity planning, disaster recovery planning, DR, RPO, RTO

    Linux Filesystem Comparison – ext4 vs XFS vs ZFS Selection Guide

    2025년 11월 27일2025년 11월 27일 HaydenLeave a Comment on Linux Filesystem Comparison – ext4 vs XFS vs ZFS Selection Guide

    If you’ve worked with Linux, you’ve probably asked yourself: “Which filesystem should I use?” Unlike Windows, where NTFS is the […]

    Linux, O/S, Server Btrfs, ext4, Linux, Linux Filesystem, XFS, ZFS

    Server Time Out of Sync? NTP Setup & Troubleshooting Guide

    2025년 11월 27일 HaydenLeave a Comment on Server Time Out of Sync? NTP Setup & Troubleshooting Guide

    This guide covers everything you need to know about NTP (Network Time Protocol)—from basic concepts to configuration and troubleshooting. If […]

    Linux, Server, Windows chrony setup, NTP server configuration, NTP troubleshooting, ntpd, time synchronization, Windows NTP

    The Complete Guide to Active Directory GPO Design: 15 Best Practices

    2025년 11월 27일2025년 11월 27일 HaydenLeave a Comment on The Complete Guide to Active Directory GPO Design: 15 Best Practices

    If you manage a Windows Server environment, Group Policy is one of those tools you simply can’t avoid. Manually configuring […]

    O/S, Security, Windows Active Directory, AD GPO, GPO design, GPO policy

    Dell PowerSwitch EOS/EOL Complete Guide : Model-by-Model Timeline

    2025년 11월 26일 HaydenLeave a Comment on Dell PowerSwitch EOS/EOL Complete Guide : Model-by-Model Timeline

    If you’re managing data center network infrastructure, knowing the support lifecycle of your switch equipment isn’t optional—it’s essential. For those […]

    Network, Security Dell PowerSwitch, EOL, EOS, EOSL, EoSS

    Extreme Networks Product EOS/EOL Complete Guide – 2025 Updated

    2025년 11월 26일2025년 11월 26일 HaydenLeave a Comment on Extreme Networks Product EOS/EOL Complete Guide – 2025 Updated

    Every IT administrator eventually faces the dreaded End-of-Life announcement. When core network infrastructure hits EOS/EOL, it creates real planning challenges. […]

    Network, Security End of Support, EOL, EOS, EOSL, Extreme Networks, version support policy

    ‘Neo4j’ Version Support Lifecycle – LTS/EOL/EOS Policy

    2025년 11월 17일 HaydenLeave a Comment on ‘Neo4j’ Version Support Lifecycle – LTS/EOL/EOS Policy

    When running Neo4j, you’ve probably wondered, “How long can we safely use this version?” It’s especially concerning when you need […]

    ETCs EOL, EOS, graph database, LTS, Neo4j, version support policy

    Neo4j: Graph Database That Visualizes Data Relationships

    2025년 11월 16일 HaydenLeave a Comment on Neo4j: Graph Database That Visualizes Data Relationships

    You’ve probably seen “People you may know” suggestions on social media or “Customers who viewed this also viewed” recommendations while […]

    DB, Platform Cypher, Database, graph database, Neo4j

    ‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies

    2025년 11월 12일 HaydenLeave a Comment on ‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies

    If you’re running Apache Kafka in production, you’ve probably wondered: “How long will my current version be supported?” With Kafka […]

    Coding, ETCs, Platform, Security Apache Kafka, EOL, EOS, Kafka, Kafka versions

    What is ‘Apache Kafka’? Easy Understanding and Getting Started

    2025년 11월 11일 HaydenLeave a Comment on What is ‘Apache Kafka’? Easy Understanding and Getting Started

    “Our service crashed when traffic suddenly spiked…” “An order came in but it wasn’t reflected in the inventory system…” “There […]

    Coding, Platform Apache Kafka, Event streaming, Kafka, Real-time data processing

    ‘Pony’ Version Support Lifecycle : Platform-Based, Instead of LTS/EOL/EOS

    2025년 11월 06일 HaydenLeave a Comment on ‘Pony’ Version Support Lifecycle : Platform-Based, Instead of LTS/EOL/EOS

    If you’ve worked with concurrent programming, you know the headaches that come with data races and deadlocks. Pony was created […]

    Coding, Framework EOL, EOS, LTS, Pony, Pony Language, Pony programming, version support policy

    ‘Pony’ Language – Safe, Fast, and Concurrent

    2025년 11월 06일 HaydenLeave a Comment on ‘Pony’ Language – Safe, Fast, and Concurrent

    Have you spent nights debugging data races and deadlocks in multi-threaded environments? Most concurrent programmers have. But what if a […]

    Coding, Framework concurrent programming, Pony, Pony Language, Pony programming

    Posts navigation

    Older posts
    Newer posts

    Language Switcher

    Categories

    • Chinese (2)
    • IT/Reg-Tech (240)
      • AI (12)
      • Coding (71)
        • Framework (16)
      • DB (29)
        • MS-Sql (1)
        • Oracle (4)
      • ETCs (12)
      • Fin-Tech (2)
      • Infrastructure (164)
        • Cloud (10)
        • O/S (44)
          • Linux (11)
          • Windows (32)
        • Platform (87)
        • Server (20)
        • VMWare (20)
      • IT Compliance (3)
      • Network (17)
      • Project (1)
      • Security (92)
      • WordPress (5)

    Recent Posts

    • Software Supply Chain Security: SBOM, VDR, VEX
      Software supply chain security has become a critical concern for financial institutions and public sector organizations worldwide. Following the 2020 SolarWinds hack, the industry… Read more: Software Supply Chain Security: SBOM, VDR, VEX
    • How to Watch YouTube Without Ads – 2026 Guide
      Tired of paying $13.99/month for YouTube Premium? Getting interrupted by ads while watching your favorite videos? As an IT security professional, I’ve tested and… Read more: How to Watch YouTube Without Ads – 2026 Guide
    • Jobs AI Will Replace vs. Jobs AI Can’t Touch – What Does Your Career Look Like in 5, 10, and 20 Years?
      Let’s be honest. “Will AI take my job?” is no longer a hypothetical question. It’s happening right now. In 2025, an analysis of 180… Read more: Jobs AI Will Replace vs. Jobs AI Can’t Touch – What Does Your Career Look Like in 5, 10, and 20 Years?
    • Emptied the Recycle Bin? You Can Still Get Your Files Back – 5 Free Recovery Tools
      “Wait, where did that file go?” That sinking feeling when you realize you just deleted an important report and emptied the Recycle Bin. We’ve… Read more: Emptied the Recycle Bin? You Can Still Get Your Files Back – 5 Free Recovery Tools
    • How to Summarize YouTube Videos with AI – 1-Hour Video in 5 Minutes
      YouTube is packed with great content—tutorials, reviews, interviews, documentaries. But let’s be honest: who has time to watch a full hour-long video? We’ve all… Read more: How to Summarize YouTube Videos with AI – 1-Hour Video in 5 Minutes

    Recent Comments

    No comments to show.

    Archives

    • January 2026
    • December 2025
    • November 2025
    • October 2025
    • September 2025
    • August 2025
    • July 2025
    January 2026
    M T W T F S S
     1234
    567891011
    12131415161718
    19202122232425
    262728293031  
    « Dec    
    Copyright © 2026 헤이든의 전산실 (Hayden's Server Room) All rights reserved. Theme: Flash by ThemeGrill. Powered by WordPress
    Sorry, no copy allowed!