I've written about rclone before, but there have been some major updates, so I'd like to introduce them here. rclone is a powerful open-source tool that allows you to manage various cloud storage services from a single command line. It s...

How to Use a Custom Domain Email - Yandex 360 and Its Alternatives Last updated: September 24, 2025 Introduction - Changes Since 2021 Back in 2021, it was possible to operate a custom domain email completely for free by combining Freenom...

A Complete Guide to Migrating from VMware to Hyper-V: Step-by-Step Instructions for Any Skill Level Introduction: What's Changed Since 2020 Since the original article was written in 2020, the VMware and Hyper-V landscape has undergone si...

Introduction: Why Upgrade? When you start Windows PowerShell 5.1, you will now see the following message: Windows PowerShell Copyright (C) Microsoft Corporation. All rights reserved. Install the latest PowerShell for new features and imp...

The Complete Guide to Excel Multiple Workbook Consolidation: Power Query, Python, and VBA Compared 1. Introduction: Breaking Free from Month-End Excel Chaos Common Pain Point: The Manual Copy-Paste Hell "Here we go again with month-end.....

The New Era of Ubuntu Remote Desktop Five years after the 2020 article, the Ubuntu remote desktop environment has evolved dramatically. This article provides a detailed explanation of the latest and most practical remote desktop setup me...

The Complete Guide to PortQry and Port Scanning Tools: 2025 Edition Last updated: September 8, 2025 Introduction - Changes Since 2020 Between 2020 and 2025, Windows network diagnostic tools have evolved significantly. While PortQry remai...

The 2025 Ultimate VPN Guide: From Traditional VPNs to Zero Trust Network Access Introduction Five years have passed since our 2020 article, and VPN technology has evolved significantly. This guide provides a clear and easy-to-understand ...

Introduction With the growing availability of AI development support services like ChatGPT, Claude, and Google Gemini, even those with limited programming experience can now develop and deploy full-scale web applications. However, to ope...

How to Import Custom Images to IBM Cloud and Convert VHD to qcow2 Overview When importing a custom image into IBM Cloud VPC (Virtual Private Cloud), you need an image file in either qcow2 or VHD format. As of 2025, IB...