ga0x Documentation and Blog

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https://www.ga0x.com/

A technical knowledge base covering Java (including versions 8, 11, 17, and 21), Spring Boot, Spring Security, Kubernetes, and Linux system administration. It includes guides on JVM internals, REST API design, AI tools like Claude and ChatGPT, and front-end resources for Tailwind CSS and JavaScript libraries.

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What's inside ga0x

  1. Overview of ncdu disk usage analyzer

    ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space-consuming files and directories on remote servers without a graphical environment, as well as on desktop systems. It serves as a fast, simple, and interactive alternative to tools like du -h and runs in any minimal POSIX-like environment with ncurses installed.
  2. Overview of ncdu disk usage analyzer

    ncdu is a disk usage analyzer with an ncurses interface designed for finding space consumers on remote servers without a graphical environment, or on standard desktop systems. It serves as a fast, simple, and interactive alternative to tools like du -h and can run in any minimal POSIX-like environment with ncurses installed.
  3. Overview of Network File System (NFS) on CentOS 7

    NFS (Network File System) allows clients to access data on disks located on different hosts over a network. It is primarily used in Unix-like systems to implement file sharing. This guide focuses on the basic installation and configuration steps for NFS on CentOS 7.
  4. Overview of Claude 2.0 capabilities

    Claude 2.0 is a large language model developed by Anthropic. It is capable of writing, programming, explaining concepts, and translation, with strong performance in Chinese language processing and contextual conversations. Key features include the ability for users to upload up to 5 documents for analysis and the availability of an API for developers.
  5. Overview of ncdu disk usage analyzer

    ncdu is a disk usage analyzer with an ncurses interface designed for finding space consumers on remote servers without a graphical environment, as well as on desktop systems. It serves as a fast, simple, and interactive alternative to tools like du -h and runs in any minimal POSIX-like environment with ncurses installed.
  6. Overview of ncdu disk usage analyzer

    ncdu is a disk usage analyzer with an ncurses interface designed for finding space-consuming files on remote servers without a graphical environment, as well as on desktop systems. It serves as a fast, simple, and interactive alternative to tools like du -h and runs in any minimal POSIX-like environment with ncurses installed.
  7. Install Telepresence on macOS

    Telepresence can be installed on macOS via Homebrew or by downloading the binary manually. Ensure you choose the correct version based on your Mac's processor architecture (Intel vs. Apple Silicon).
    # For Intel Macs
    # Via brew:
    brew install datawire/blackbird/telepresence
    # Manually:
    sudo curl -fL https://app.getambassador.io/download/tel2/darwin/amd64/latest/telepresence -o /usr/local/bin/telepresence
    sudo chmod a+x /usr/local/bin/telepresence
    
    # For Apple Silicon Macs
    # Via brew:
    brew install datawire/blackbird/telepresence-arm64
    # Manually:
    sudo curl -fL https://app.getambassador.io/download/tel2/darwin/arm64/latest/telepresence -o /usr/local/bin/telepresence
    sudo chmod a+x /usr/local/bin/telepresence
  8. Core Principles of REST API Design

    REST API design is based on two core principles to create a universal communication language between services and developers:

    1. Resource-Oriented: APIs should act upon Resources (logical objects).
    2. Standardized Operations: Use HTTP methods with specific semantics to manipulate those resources: GET, POST, PUT, PATCH, and DELETE.
  9. Java 11 Platform Support and Changes

    Java 11 (LTS) includes several platform-level updates:

    • ARM64 Support: Implementation of AArch64 port in G1, extending support to ARM64 architecture.
    • Unicode 10: Support for new Unicode 10 characters and emojis.
    • Module Removal: Removed deprecated Java EE and CORBA modules from the JDK standard library.
    • libpng: Improved APIs and performance for libpng.
  10. JVM improvements in Java 21

    Java 21 introduces several JVM-level optimizations, including updates to the G1 (Garbage First) collector and enhancements to the memory model to improve performance and efficiency.
  11. Develop AGI applications with LangChain

    LangChain is a high-level framework designed for developing applications powered by large language models (LLMs) to create AGI (Artificial General Intelligence) applications.
    # Repository: https://github.com/langchain-ai/langchain