In this tutorial, we will delve into the concept of sending signals to processes in shell scripting, equipping you with the knowledge and skills to effectively control and interact with processes. Signals serve as a means of communication between processes, enabling them to convey specific instructions or handle various events. Our focus will be on using shell scripts to send signals to processes. In the following sections of this article, we will cover different aspects of sending signals to processes, starting with a solid understanding of signals and their usage. We will then dive into various methods of sending signals ... Read More

In this tutorial, we will explore how to create a shell script that validates dates, taking into account the rules of leap years. We will be using the Linux operating system and the Bash shell scripting language for this purpose. Shell scripting allows us to automate tasks and perform complex operations by writing simple and efficient scripts. By the end of this tutorial, you will have a working shell script that can accurately validate dates and handle leap years. We will develop a shell script that prompts the user to enter a date in the format "YYYY-MM-DD" and then validates ... Read More

Are you looking for different ways to simplify your Linux workflow and want to automate your tasks? The Linux xargs command may be just what you didn’t know. In this article, We will see some practical examples of using xargs to execute commands on a list of items generated by other commands. As someone who uses Linux regularly, We have found the xargs command to be a valuable tool in our workflow. It helps us to perform complex tasks on a large number of files or data with ease. The xargs command is especially useful when working with long lists ... Read More

Vim has been a favorite of many programmers and Linux users for years due to its powerful features and flexibility. However, Vim's learning curve has often been a barrier for newcomers to the platform. This is where PacVim comes in. PacVim is a game that utilizes the mechanics of the popular 1980s arcade game Pac-Man to teach players Vim commands. PacVim is a fun and interactive way to learn Vim that is suitable for users of all skill levels. In this tutorial, we will explore PacVim in detail, including how it works, its features, and how to get started with ... Read More

In this tutorial, we will explore the openSquat tool, which serves as a powerful domain squatting and phishing watchdog. openSquat is built using the Python programming language, specifically leveraging its rich ecosystem and powerful libraries. Python provides a flexible and user-friendly environment for developing security-related applications. Additionally, openSquat utilizes various modules such as `whois`, `requests`, `tldextract`, and `BeautifulSoup` to extract and analyze relevant information about domain names. In this tutorial, we will walk you through the step-by-step process of using openSquat to monitor domains, detect potential squatting or phishing attempts, analyze domain information, and take appropriate action to safeguard ... Read More

In today's world, staying informed about the latest news is an essential part of our daily lives. However, the sheer volume of news available can be overwhelming, making it difficult to keep up. Fortunately, there are several news readers available that can help us navigate the vast amount of information out there. In this article, we'll explore more everything about the Newsroom, a lightweight and open-source newsreader specifically designed for Linux users. We'll delve into the installation process and the necessary requirements for setting up Newsroom, and we'll provide examples and outputs to guide you through the entire setup. Whether ... Read More

If you are a Linux user who likes to keep up with the latest news and articles from your favorite websites and blogs, Newsboat is a great RSS/Atom feed reader that can help you achieve this within your terminal. Newsboat is free, open-source, and offers a highly customizable experience to users, making it an ideal choice for Linux users who value flexibility and efficiency. This article provides a complete guide on how to install and use Newsboat, including adding and managing feeds, navigating articles, and using keyboard shortcuts to optimize your workflow. Whether you are a beginner or an ... Read More

MTR (My Traceroute) is a versatile network diagnostic tool that has become an indispensable tool for network administrators and IT professionals. This tool offers a unique combination of the functionalities of traceroute and ping programs, providing both basic and advanced network diagnosis capabilities. MTR works by sending packets to a target host and measuring the round-trip time for each packet, presenting the results in a real-time, sortable format. The tool provides in-depth insights into the network conditions along the path to the target host, including the IP addresses of intermediate routers, the number of hops required to reach the target, ... Read More

In this tutorial, we will delve into the world of MOSINT, an advanced Open Source Intelligence (OSINT) tool specifically developed for email investigations within the Kali Linux environment. Throughout this comprehensive article, we will explore the underlying technologies and guide you step-by-step on how to effectively utilize MOSINT to extract valuable insights from email addresses. In this tutorial, our primary focus will be on leveraging MOSINT's features to extract pertinent information from email addresses. We will delve into four essential areas of MOSINT functionality, providing detailed explanations, accompanied by code snippets and their corresponding outputs. By the end of this ... Read More

Well-organized data compression is an essential component of effective data management. It allows us to conserve disk space, reduce data transfer times, and enhance overall data efficiency. Among the numerous data compression utilities that have gained popularity year by year, -zstd stands out as a high-performing option. Developed by Yann Collet, zstd is open-source software that offers impressive compression ratios while maintaining fast decompression speeds. Zstd is a flexible and adaptable data compression utility suitable for compressing various types of data, such as text, images, audio, and video, among others. Moreover, it is compatible with several platforms, including Linux, Windows, ... Read More