春雨

都内に住んでいる中高年のおじさんです。
古いPCにLinuxを入れたりして遊ぶのが好きです。
PCをいじるのは好きですが、勉強は苦手です。

I am Harusame.
I’m a middle-aged guy living in Tokyo.
I enjoy tinkering with old PCs by installing Linux on them.
I like messing around with computers, but I’m not very good at studying.

When the window-side gasket on a window air conditioner is too narrow | Adding a window-side gasket | Insert the window-side gasket into the window gasket to reduce gaps, improve the room's airtightness, and boost efficiency | Replacing the gasket

2026/6/7    , ,

If you insert the window-side gasket of a window air conditioner into the frame-side gasket attached to the window frame, it will seal the room more effectively and prevent the air conditioner’s exhaust from being blocked. Corona sells both window-side and frame-side gaskets. On days when strong winds blow, it’s a good idea to secure them with masking tape or similar.

A Comprehensive Guide to Surfshark: From Sign-Up to Usage | How to Use the Internet Safely with a VPN

2026/6/1    , , , ,

A VPN is a technology that creates a virtual tunnel over the internet and encrypts your data to make browsing safer. It’s now essential when connecting to public Wi-Fi on the go, such as on a smartphone. In this article, I’ll walk you through everything from signing up for Surfshark—one of the paid VPN providers—to how to use it, complete with illustrations. About Surfshark Surfshark is a service provided by Surfshark B.V., a company currently based in the Netherlands. It is a relatively new company founded in 2018. It merged with Nord Security in 2022 and operates as a standalone ...

A Comprehensive Guide to NordVPN: From Sign-Up to Usage | How to Set It Up on Your Computer, Smartphone, and Browser Extensions

NordVPN is one of the fastest paid VPN services available, offers extensive Japanese language support, and is easy to use. This article provides a clear, step-by-step guide with screenshots covering everything from signing up and payment to account creation, app installation, and connection setup. We also explain how to use it on computers, smartphones, and as a browser extension. It’s useful for staying safe on public Wi-Fi and for cryptocurrency trading. This guide is designed to help even first-time VPN users get started with confidence.

My Experience and Review of NordVPN: For Secure Use of Cryptocurrency and Public Wi-Fi

2026/6/1    , , , , ,

To ensure the security of my cryptocurrency trading and NFT sales, I set up a VPN. A VPN is a technology that encrypts data traffic and protects information by routing it through a secure virtual tunnel. Among the options available, I chose “NordVPN,” a popular service known for its fast connection speeds and strong performance in unblocking video streaming restrictions. In this article, I provide a detailed review of NordVPN, covering how to use it, pricing, connection stability, security features, and the pros and cons I experienced firsthand.I recommend it to anyone looking to enhance their security when using public Wi-Fi or trading cryptocurrencies.

What is Manjaro ? | Overview | Introduction to Rolling-Release Arch Linux-Based Distribution

I’ve compiled a guide covering how to install Manjaro (a lightweight Linux distribution based on Arch Linux), recommended software after installation, how to set up a printer, how to share files, how to set up a local WordPress environment, and how to import accounts into the default email client.

Importing account settings from Thunderbird on another PC into Thunderbird on Manjaro

Thunderbird is the default email client in Manjaro. If you use Thunderbird on other computers, you can import your email account settings.
However, while information such as POP, IMAP, and SMTP port numbers will be imported, your email account passwords will not be imported.
If you have only a few email accounts, it might be faster to simply set them up from scratch.

Sharing Files on Manjaro | Samba | Linux Distribution Based on Arch Linux

2026/6/22    , , , , , ,

To set up file sharing on Manjaro, first install "nautilus-share" using the Software Center, then open a terminal to enable and start Samba. Open the Samba ports in your firewall. If you're accessing the shared folder from Windows, open File Explorer and enter a path like "\\192.168.xxx.xxx" in the address bar.

Setting Up a Printer on Manjaro | Linux Distribution Based on Arch Linux

2026/6/22    , , , , ,

To use a printer on Manjaro, first start the CUPS service. Next, install the printer driver from "Add/Remove Software." If the printer isn't recognized right away, try removing it from the print settings and then reconfiguring it; this may resolve the issue.
It's a shame that the files available for download from the manufacturer's website aren't compatible.

Recommended Apps to Install After Installing and Setting Up Manjaro | Linux Based on Arch Linux

2026/6/22    , , , , , ,

Here are 11 recommended programs you should install after setting up Manjaro.
Since DEB files and the like cannot be installed directly, you’ll need to install them via “Add/Remove Software.”

Installing Manjaro | Arch Linux-based Linux

2026/6/22    , , , ,

Manjaro is an Arch Linux-based operating system. It features a user-friendly graphical interface. Download the ISO image from the web and create a live USB drive. On the PC where you want to install it, configure the system to boot from the USB drive, then proceed with the installation. Once the installation is complete, set up Japanese input and enable the firewall.