オープンソースの力を活用する方法~Ubuntuの世界へようこそ~

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  • Basics of Ubuntu
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Troubleshooting
  • 2025-12-05

How to Fix Network Issues on Ubuntu 24.04 LTS: Wi-Fi, Ethernet, DNS, and Netplan Troubleshooting Guide

1. Introduction Ubuntu is widely used thanks to its stability and flexibility. However, especially in the latest version, Ubuntu 24.04 LTS, some users have reported issues where the network does not f […]

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Security and User Management
  • 2025-12-05

Mastering the useradd Command in Ubuntu: Complete Guide to Linux User Management

1. Introduction: Understanding the Importance of the useradd Command in Ubuntu In Ubuntu and other Linux-based systems, user account management is extremely important. For system administrators in par […]

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Customization and Configuration
  • 2025-12-05

How to Set Up a Japanese Keyboard on Ubuntu: Complete Guide for Beginners

1. Introduction Have you ever felt the need to configure a Japanese keyboard while using Ubuntu? To comfortably use Japanese in Ubuntu’s versatile Linux environment, proper keyboard settings are essen […]

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Network Configuration
  • 2025-12-05

Mastering traceroute on Ubuntu: Installation, Basic Commands, and Network Path Diagnostics

1. What Is traceroute? A Fundamental Tool for Network Path Analysis Overview of traceroute traceroute is a tool used to trace the route taken by network packets and verify which routers the data passe […]

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Network Configuration
  • 2025-12-05

Mastering traceroute on Ubuntu: Network Path Analysis, Installation, and Troubleshooting Guide

1. What Is traceroute? A Fundamental Tool for Network Path Analysis Overview of traceroute traceroute is a tool used to trace the network path and identify which routers data passes through to reach i […]

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Basics of Ubuntu
  • 2025-12-05

How to Search Files Efficiently on Ubuntu: Mastering find, locate, grep, and GUI Tools

1. Introduction Ubuntu is a widely used Linux distribution, and mastering effective file search techniques is essential to improve daily workflow efficiency.This article explains file search commands […]

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Troubleshooting
  • 2025-12-05

How to Initialize Ubuntu: Complete Guide to Resetting, Reinstalling, and Troubleshooting

1. Why You May Need to Initialize Ubuntu There are various situations in which you might want to initialize your Ubuntu system. This article explains the primary scenarios where initialization becomes […]

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Server Setup and Management
  • 2025-12-05

How to Install, Configure, and Optimize Nginx on Ubuntu: Complete Beginner’s Guide

1. Introduction Many users are interested in using Nginx on Ubuntu, but beginners may not know where to start. This article provides an easy-to-understand, step-by-step explanation—from installing Ngi […]

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Basics of Ubuntu
  • 2025-12-05

Ubuntu Support Guide 2024: Understanding Ubuntu 24.04 LTS Support Options, Services, and Best Practices

1. Introduction Ubuntu is widely supported as an open-source Linux distribution, thanks to its intuitive usability, high stability, and excellent support ecosystem. This article provides a detailed ov […]

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Basics of Ubuntu
  • 2025-12-05

Ubuntu vs CentOS: Key Differences, Features, and Which Linux Distribution to Choose

1. Introduction There are various Linux distributions available, each developed with different characteristics and purposes. Among them, Ubuntu and CentOS are two representative distributions widely u […]

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CATEGORY

  • Basics of Ubuntu
  • Network Configuration
  • System Administration and Optimization
  • Security and User Management
  • Development Environment Setup
  • Software and App Management
  • Troubleshooting
  • Customization and Configuration
  • Server Setup and Management
  • Backup and Recovery
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