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
  • 2025-12-08

How to Check Your Ubuntu Version: Essential Commands and Easy GUI Methods

1. How to Check Your Ubuntu Version | Simple Steps Using Commands Why You Should Check Your Ubuntu Version Confirming your Ubuntu version is crucial for system administration and troubleshooting. Accu […]

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Network Configuration
  • 2025-12-08

How to Change the Hostname in Ubuntu: Temporary, Permanent, and Netplan Configuration Guide

1. Introduction Why Change the Hostname in Ubuntu? The hostname is a crucial element for identifying machines within a system or network when managing servers or virtual machines. Especially in corpor […]

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Software and App Management
  • 2025-12-08

How to Install and Use YUM on Ubuntu: A Complete Guide for RPM Package Management

1. Introduction For Ubuntu users, the package management system plays a crucial role. Typically, Ubuntu uses APT as its package management system, but some users may want to use YUM, which is availabl […]

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System Administration and Optimization
  • 2025-12-08

Mastering Bash: Essential Commands, Scripting Basics, and Automation Techniques for Linux Users

1. Basics of Bash What Is the Bash Shell? Bash (Bourne Again Shell) is the most commonly used command-line interface in Linux distributions. This simple yet powerful tool provides a platform for users […]

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Development Environment Setup
  • 2025-12-08

Mastering pyenv on Ubuntu: Efficient Python Version and Environment Management

1. Introduction When developing with Python on Ubuntu, it is common to require different Python versions for different projects. In such cases, the version management tool pyenv becomes extremely usef […]

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Network Configuration
  • 2025-12-08

How to Check MAC Addresses in Ubuntu: A Complete Guide for Beginners

1. What Is a MAC Address? Overview of MAC Addresses A MAC address (Media Access Control address) is a unique identifier assigned to a Network Interface Card (NIC). This address is essential for device […]

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Server Setup and Management
  • 2025-12-08

How to Install and Configure Apache on Ubuntu: Complete Beginner’s Guide

1. Introduction About Installing Apache on Ubuntu Apache is one of the most widely used web server software solutions in the world. As an open-source platform, it is known for its extensive functional […]

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System Administration and Optimization
  • 2025-12-08

How to Monitor CPU Usage in Ubuntu: Essential Commands and Tools for System Administrators

1. How to Easily Check CPU Usage in Ubuntu The Importance of Monitoring CPU Usage in Ubuntu Monitoring CPU usage is extremely important for system administrators. When system resources become insuffic […]

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Development Environment Setup
  • 2025-12-08

A Complete Guide to Installing and Using Git on Ubuntu: Setup, Commands, and Troubleshooting

1. What Is Git? Why Install Git on Ubuntu? The Basics of Git Git is a distributed version control system designed to enable multiple developers to work efficiently on software projects at the same tim […]

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Network Configuration
  • 2025-12-08

Mastering Netplan on Ubuntu: Complete Guide to Network Configuration with YAML

1. Overview of Netplan on Ubuntu What is Netplan? Netplan is a network configuration management tool introduced in Ubuntu versions starting from 17.10. Previously, tools such as ifconfig and /etc/netw […]

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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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