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Symbolic links (symlinks) and hard links are two powerful features in Unix/Linux systems, enabling users and administrators to manage file systems efficiently. However, symbolic links are far more common in everyday usage than hard links. Understanding why this is the case helps you make informed decisions about how to organize your filesystem effectively. In this tutorial, we’ll explain clearly and concisely why symbolic links are preferred over hard links, including practical examples to illustrate their differences. ...

GitHub is a treasure trove of innovation, collaboration, and exciting new technologies. Every day, developers around the world create and share thousands of repositories, offering fresh ideas, tools, and solutions to common programming challenges. Hacker News, one of the most popular tech communities, regularly highlights new and exciting GitHub repositories, showcasing the latest trends and breakthroughs in software development. In this tutorial-style article, we’ll explore over 30 brand-new GitHub repositories recently featured on Hacker News. We’ll explain what makes these repositories special, how you can use them, and provide practical examples to help you integrate some of these tools and libraries into your own projects. ...

Encrypting sensitive information is a fundamental security practice in modern application development. Even if you’re working with simple, hardcoded text, applying proper encryption techniques can protect your data from unauthorized access or reverse engineering. In this tutorial, we’ll walk through the process of encrypting hardcoded text in a C++ program, providing clear examples and step-by-step guidance suitable for developers at any skill level. Why Encrypt Hardcoded Text? Hardcoded text strings might contain sensitive information such as API keys, passwords, or other confidential data. If these strings are stored in plaintext within your binary, they become vulnerable to attackers who might inspect your executable file. Encrypting these strings helps ensure that even if your binary is compromised, the attacker won’t easily access critical information. ...

Infrastructure management can quickly become complex as your projects grow, requiring repeated code segments and configurations. Terraform modules provide a powerful solution to this challenge, enabling you to encapsulate and reuse infrastructure code effectively. By creating reusable Terraform modules, you not only streamline your infrastructure management but also ensure consistency, reduce errors, and facilitate collaboration across teams. In this practical guide, we’ll dive deep into how you can create and effectively use reusable Terraform modules, offering a clear, step-by-step approach suitable for both beginners and experienced infrastructure engineers. ...

Distributed Denial-of-Service (DDoS) attacks have consistently evolved in scale, complexity, and effectiveness. Recently, a massive new botnet emerged seemingly overnight, responsible for delivering record-size DDoS attacks that have overwhelmed infrastructure providers and security teams alike. Understanding how these large-scale botnets operate, analyzing their methods, and implementing effective mitigation strategies are crucial for network administrators and security professionals to safeguard their systems. In this post, we’ll examine the emergence of this new botnet, explore its technical characteristics, discuss implications for network security, and provide practical advice for defending against such threats. ...