November 2024– date –
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未分類
What to do if you fail to get a Let’s Encrypt certificate with Certbot
What to do if you fail to get a Let's Encrypt certificate with Certbot The main point of the problem Error details: Error content: HTTP-01 challenge failed. Reason:Unauthorized: Invalid response from http://example.com/.well-known/acme-c... -
インフラ
To check port number availability
To check the availability of port numbers, list the ports that are currently in use and see if the port you want is in use. You can check the status of the port in the following ways: 1. lsof Using Commands Check specific ports sudo lsof... -
インフラ用語
How to log in to XServerVPS using FileZilla
FileZilla is a free, open-source FTP client that supports SFTP (SSH File Transfer Protocol). SFTP allows you to transfer files securely over SSH. Below are the steps to set up an SFTP connection using FileZilla. 1. Install FileZilla Firs... -
Git
Example directory to clone a Git repository in a local environment
When choosing a directory to clone a Git repository in your local environment, it is recommended to choose a location that takes into account development efficiency and organization. Here are some general configuration proposals: Recomme... -
エンジニア用語
What is Thonny? Integrated Development Environment (IDE) Designed for Python Beginners
Thonny is an integrated development environment (IDE) designed for beginners in Python. It has a simple and intuitive interface and supports learning programming. Thonny comes with built-in Python 3.10, allowing you to start learning Pyt... -
Node.js
What is a Runtime Environment? The underlying software or environment for the program to run
A runtime environment is the underlying software or environment in which a program runs. In simple terms, it provides "the ecosystem that the program needs to work". The role of the runtime environment When running a program, it plays th... -
開発ツール
Is it better to develop on Mac, Visual Studio Code (VScode) or Xcode?
When choosing a development environment on a Mac, whether you should use Visual Studio Code (VScode) or Xcode depends largely on what you want to develop. The characteristics of each and its recommended applications are summarized below.... -
ライセンス
What is an AGPL-3.0 license? Can I use it commercially?
The GNU Affero General Public License (AGPL) version 3 is an open source software license developed by the Free Software Foundation (FSF). This license adds provisions to the existing GNU General Public License (GPL) regarding the use of... -
AIアシスタント
What is Jan.ai? Open source AI assistant that works completely offline
About Jan.ai Jan.ai is an AI assistant that works completely offline and is available as open source. This tool is designed to be an alternative to ChatGPT, offering an environment where advanced AI technology can be leveraged directly o... -
AI研究
What is arXiv, a free and open access repository of papers?
arXiv (Archive) is a free and open-access paper repository founded in 1991 that primarily serves researchers in the fields of science and engineering. In particular, it specializes in fields such as physics, mathematics, computer science... -
AIコーディング
Compare Replite, V0, and Bolt in depth! Use it according to your purpose
In recent years, code generation tools powered by artificial intelligence (AI) have gained prominence in the field of software development. Notably, Replit, v0, and Bolt each have their own unique features that contribute to developer pr... -
未分類
How to copy commands on the console screen of Xserver VPS
On the console screen of Xserver VPS, you may not be able to copy and paste text in the normal way. Try the following methods: 1. Copy-paste with mouse operation In the Linux console environment,gpm you can use a program called (General ...
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