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Open Source Articles
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Htop - An Interactive Process Viewer for Linux
Htop is an interactive process viewer and system monitor for Linux that provides a superior alternative to the traditional top command. It offers real-time, color-coded visualization of system resources and running processes with an intuitive interface that allows users to manage processes interactively. Unlike the static output of top, Htop displays CPU, memory, and swap usage in colorful progress bars at the top of the screen, followed by a scrollable list of processes. This enhanced interface makes system monitoring more efficient and user-friendly for both beginners and experienced administrators. Installation Install Htop using your distribution's package manager: ...
Read MoreHow to Work With GitHub Flavored Markdown in Linux?
GitHub Flavored Markdown (GFM) is an enhanced version of standard Markdown developed by GitHub, featuring additional syntax elements that make it perfect for technical documentation, README files, and collaborative development. Unlike basic Markdown, GFM includes support for tables, task lists, strikethrough text, automatic URL linking, and syntax highlighting for code blocks. This guide demonstrates how to work with GFM on Linux systems, covering both basic syntax and advanced features with practical examples. Basic GitHub Flavored Markdown Syntax Headers and Text Formatting Headers use hash symbols (#) with levels from 1 to 6 − # ...
Read MorePriority Assignment to Tasks in Operating System
The practice of giving each task or process in an operating system a priority level is known as priority assignment. A priority level is a numerical value that represents the relative urgency or significance of a task compared to other tasks in the system. When multiple tasks are ready to run, the operating system uses the priority level to determine which task should execute next. Higher-priority tasks are executed before lower-priority ones, ensuring efficient system operation and that critical tasks complete first. Types of Priority Assignment Priority assignment can be static or dynamic: Static Priority Assignment ...
Read MoreOracle Linux vs Red Hat Enterprise Linux
Two of the most popular enterprise Linux distributions are Oracle Linux and Red Hat Enterprise Linux (RHEL). Despite sharing the same source code base, these operating systems have distinct differences that make them suitable for different organizational needs. This comparison will explore their key similarities and differences to help you choose the right distribution. What are Oracle Linux and Red Hat Enterprise Linux? Oracle Linux is a Linux distribution based on Red Hat Enterprise Linux source code, developed by Oracle Corporation for enterprise environments. It features optimized support for Oracle applications and databases, along with compatibility for modern ...
Read MoreParrot Operating System
Parrot OS is a free and open-source operating system built on Debian GNU/Linux, specifically designed for security professionals, privacy-conscious users, and developers. It comes pre-loaded with tools for penetration testing, digital forensics, cryptography, and privacy protection, making it a comprehensive platform for cybersecurity work. The operating system offers multiple editions including Home, Security, IoT, and Cloud variants to cater to different use cases. A standout feature is AnonSurf, a unique anonymization tool that helps users hide their internet activity and protect their identity online. Key Features Security Tools Parrot OS includes an extensive collection of pre-installed ...
Read Moremindepth and maxdepth in Linux find() command for limiting search to a specific directory
The find command in Linux is used to search for files and directories within a directory structure. The mindepth and maxdepth options allow you to control the search depth, limiting results to specific directory levels. mindepth specifies the minimum depth level from which the search should start, while maxdepth defines the maximum depth level the search should reach. These options help you target specific areas within complex directory hierarchies. Understanding Depth Levels Maxdepth − Limits how deep the search goes into subdirectories. A depth of 0 means only the starting directory itself, 1 includes immediate subdirectories, and so ...
Read MoreCopy Linux Binaries From One Linux System to Another using Exodus?
Exodus is a powerful tool that allows you to export and import software packages, including binaries and their dependencies, from one Linux system to another. This eliminates the need for complex manual installation procedures and ensures that all required dependencies are properly transferred. Transferring Linux binaries from one system to another can be challenging, especially when dealing with multiple machines or complex dependency chains. Exodus simplifies this process by creating portable bundles that include both the binary and its runtime environment. Installing Exodus Exodus is typically not included in most Linux distributions by default, so you need ...
Read MoreCreating dialog boxes with the Dialog Tool in Linux
The Dialog tool is a command-line utility in Linux that allows developers to create interactive dialog boxes within shell scripts. These dialog boxes provide a user-friendly interface for displaying information, receiving input, and making selections, significantly enhancing the usability of command-line applications. Dialog boxes serve as an excellent bridge between the command line and graphical user interfaces, offering a text-based visual interaction that is both accessible and functional. This makes them particularly valuable for system administration scripts and user-interactive applications. Installing Dialog Tool Before creating dialog boxes, ensure that the Dialog tool is installed on your Linux ...
Read MoreCRLFuzz – A Linux Tool to Scan CRLF Vulnerability Written in Go
CRLFuzz is a powerful Linux tool written in Go that scans for CRLF (Carriage Return Line Feed) vulnerabilities in web applications. CRLF vulnerabilities occur when applications mishandle line termination characters, potentially leading to HTTP response splitting, cross-site scripting (XSS), and session hijacking attacks. This tutorial covers the installation process, demonstrates CRLFuzz usage with various command-line options, and explains how to effectively identify CRLF vulnerabilities to strengthen web application security. What are CRLF Vulnerabilities CRLF vulnerabilities arise when user input containing carriage return (\r) and line feed () characters is not properly sanitized. Attackers can exploit this to ...
Read MoreHow to use the “Curl” command in Linux?
The curl command is a versatile tool in the Linux environment, enabling data transfers to and from servers using various protocols including HTTP, HTTPS, FTP, and SMTP. This command-line utility is renowned for its robustness and flexibility, making it essential for sending HTTP requests, retrieving files, uploading data, and testing APIs. Checking Curl Version Before using curl, verify its installation and version information using the --version flag. This displays version details, supported protocols, and features. $ curl --version curl 7.72.0 (x86_64-pc-linux-gnu) libcurl/7.72.0 OpenSSL/1.1.1g zlib/1.2.11 Release-Date: 2021-02-24 Protocols: dict file ftp ftps gopher http ...
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