Exiv2: A Powerful C++ Library for Image Metadata Processing Exiv2 is a cross-platform C++ library and command-line tool for managing and manipulating metadata in image files. It supports reading, writing, deleting, and modifying Exif, IPTC, XMP, and ICC image metadata. This metadata often contains information about the image capture (such as camera model, capture time, … Read more
Image source: Internet In Linux systems, there are many performance monitoring tools. Below, I will introduce several commonly used command-line tools. 1. top/htop top: Function: Real-time monitoring of processes, displaying information about CPU, memory, load, swap space, etc. Common Shortcuts: Shortcut Description M Sort by memory usage P Sort by CPU usage k Kill a … Read more
RedHat <strong><span>nmcli</span></strong> Tool Overview 1. Overview <span>nmcli</span> is a command-line interface tool provided by NetworkManager for managing network connections in Linux systems. It supports configuration, management, monitoring, and debugging of network devices and connections. For Red Hat-based distributions (such as RHEL, CentOS, etc.), <span>nmcli</span> is the standard network management tool. 2. Installation and Version Check … Read more
14.2 Error Handling and User Feedback When building command-line tools, error handling and user feedback are crucial components. Proper error handling not only ensures the stability of the program but also provides users with clear and friendly feedback, helping them understand how to use the program and how to fix errors. Rust itself provides a … Read more
14.3 Project Structure and Modular Design When building command-line tools, a reasonable project structure and modular design are key to ensuring the project’s scalability, maintainability, and readability. Rust’s module system is very powerful, allowing you to organize your code into multiple files and modules for better management of complex projects. In this section, we will … Read more