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  • Basics of Ubuntu
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Network Configuration
  • 2025-12-20

How to Configure ntpd on Ubuntu: Reliable Time Synchronization for Stable Systems

1. Introduction: Why Time Synchronization Matters Problems Caused by System Time Drift On Linux systems such as Ubuntu, maintaining accurate system time is critically important. At first glance, a sma […]

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System Administration and Optimization
  • 2025-12-20

How to Build RAID 1 on Ubuntu: Software RAID with mdadm Explained

1. Introduction Why Build RAID 1 on Ubuntu? Ubuntu is a Linux distribution widely used from individual users to enterprise environments. Due to its high reliability and flexibility, it is commonly ado […]

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Customization and Configuration
  • 2025-12-20

Recommended Text Editors for Ubuntu: Best Choices by Use Case and Japanese Input Setup Guide

1. Introduction Choosing a Text Editor on Ubuntu Ubuntu is one of the most widely supported Linux distributions, favored by users ranging from beginners to advanced professionals. It is known for its […]

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System Administration and Optimization
  • 2025-12-20

How to Mount Storage Devices in Ubuntu: A Complete Beginner-to-Advanced Guide

1. What Does “Mount” Mean in Ubuntu? The Meaning and Role of Mounting In Linux and Ubuntu, “mounting” refers to the process of attaching a storage device to the file system.For example, simply pluggin […]

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Basics of Ubuntu
  • 2025-12-20

Ubuntu 22.04 LTS Complete Installation Guide for Beginners (Step-by-Step with Screenshots)

1. What Is Ubuntu 22.04? Key Features Explained What Is Ubuntu? Ubuntu is one of the most popular open-source Linux distributions that anyone can use for free. It is widely supported by users ranging […]

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Development Environment Setup
  • 2025-12-12

How to Use GitHub on Ubuntu: Complete Beginner-to-Advanced Guide with Git, SSH, and VS Code

1. Introduction Why Connect Ubuntu with GitHub? In recent years, the use of Git and GitHub has become standard practice in software development and system operations. For engineers and programmers wor […]

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Development Environment Setup
  • 2025-12-12

How to Use npm on Ubuntu: Installation, Basic Commands, and Troubleshooting Guide

1. Introduction Why Use npm on Ubuntu One of the essential tools for both frontend and backend development is npm (Node Package Manager). npm is widely used as the package management tool for Node.js, […]

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Basics of Ubuntu
  • 2025-12-12

How to Copy and Paste on Ubuntu: Complete Guide for GUI, Terminal, WSL, and Virtual Environments

1. What Is Copy & Paste on Ubuntu? [Basic Concepts and Environment Differences] Why Copy & Paste Is Important on Ubuntu On Ubuntu and other Linux-based operating systems, working with the term […]

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Troubleshooting
  • 2025-12-12

Ubuntu No Sound Issue: Complete Troubleshooting Guide from Basic Checks to Advanced Fixes

1. Initial Checks If you encounter a “no sound” issue on Ubuntu, the first things you should check are the basic settings and physical connections. Before moving on to advanced troubleshooting, it is […]

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Development Environment Setup
  • 2025-12-20

How to Install and Manage Java on Ubuntu: OpenJDK vs Oracle JDK, Setup, and Troubleshooting

1. What Is Java? When Do You Need Java on Ubuntu? What Kind of Programming Language Is Java? Java is an object-oriented programming language that is widely used around the world. One of its core desig […]

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