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Page 15 of 171
How to Synchronize Time with NTP in Linux?
Time synchronization is a critical aspect of computer systems, ensuring that clocks are accurate and compatible with other systems on a network. Incorrect time can cause several issues, such as inconsistent data, incorrect timestamps on files, and security vulnerabilities. Linux offers various methods for synchronizing time with network time servers, with the Network Time Protocol (NTP) being the most widely used approach. NTP is an open-source protocol that provides precise time synchronization between computer systems over packet-switched networks. This article will guide you through synchronizing time using NTP on Linux, covering installation, configuration, and status monitoring. Installing NTP ...
Read MoreHow to Use Aircrack-Ng in Termux?
Aircrack-ng is a powerful suite of tools designed for wireless network security assessment and penetration testing. When combined with Termux (an Android terminal emulator), it allows security professionals and ethical hackers to evaluate Wi-Fi network vulnerabilities directly from mobile devices. This guide provides a comprehensive walkthrough for installing and using Aircrack-ng in Termux for legitimate security testing purposes. What is Termux? Termux is an Android terminal emulator and Linux environment application that provides access to a command-line interface on mobile devices. It enables users to run Linux packages and utilities, making it popular among security researchers and developers ...
Read MoreHow to Use GNU bc (Basic Calculator) in Linux?
GNU bc (Basic Calculator) is a powerful command-line calculator utility in Linux that enables users to perform advanced mathematical calculations, including floating-point arithmetic, complex mathematical functions, and programmable calculations. It supports arbitrary precision arithmetic, making it ideal for both simple calculations and complex mathematical operations. Installing GNU bc Most Linux distributions include GNU bc in their default repositories. First, check if bc is already installed on your system − $ bc --version If bc is not installed, use your distribution's package manager to install it − Ubuntu/Debian-based systems: $ sudo apt-get ...
Read MoreHow to Use SSHFS on Linux?
SSHFS (SSH File System) allows you to mount a remote file system over a secure SSH connection. This enables you to access and manipulate files on a remote server as if they were stored locally on your Linux machine. SSHFS combines the security of SSH with the convenience of a file system interface. Installing SSHFS First, install SSHFS on your Linux system using the package manager. For Ubuntu/Debian systems − sudo apt-get install sshfs For RHEL/CentOS/Fedora systems − sudo yum install sshfs # or for newer versions sudo dnf install sshfs ...
Read MoreHow to View Configuration Files Without Comments in Linux?
In this article, I'll show you how to view configuration files without comments in Linux using a few simple commands. Removing comments from configuration files can help you more easily find the information you need and make modifications to system settings. We'll explore two methods to accomplish this task − using the grep and sed commands. With these methods, you can effortlessly streamline your Linux system's configuration files, making it easier to locate critical information and adjust settings as needed. If you need to remove comments from a configuration file in Linux, the grep command is a straightforward and ...
Read MoreHow to Watch Live Cricket Scores in Linux Terminal using Cricket-CLI?
If you are a cricket fan who uses Linux, you may be wondering how to keep track of live cricket scores on your terminal. Fortunately, there is a solution that can provide you with live updates without leaving the command line interface: Cricket-CLI. In this tutorial, we will show you how to use Cricket-CLI to watch live cricket scores in your Linux terminal. We will walk you through the installation process, explain how to use the tool, and even show you how to customize it to suit your preferences. What is Cricket-CLI? Cricket-CLI is a command-line interface ...
Read MoreInstall and use 7zip on Linux
Linux is a popular open-source operating system that offers many advantages, such as being free, customizable, and secure. One of the challenges that Linux users face is finding the right tools for certain tasks, such as compressing and decompressing files. Fortunately, 7zip is a powerful and versatile compression tool that can help us with this task. In this tutorial, we will walk through the process of installing and using 7zip in Linux. We will cover different ways to install 7zip, including via the command line and package manager, and provide step-by-step instructions. We will also explain the basic usage ...
Read MoreKill Processes in Linux using Fkill
Fkill is a versatile and user-friendly command-line tool that simplifies the process of managing and terminating processes on Linux systems. Its intuitive interactive interface enables efficient process management and system troubleshooting. One of the unique features of Fkill is its ability to terminate processes by their name, Process ID (PID), or port number. This flexibility helps identify and terminate stubborn processes that refuse to close, resulting in improved system performance. Installation Fkill is installed via npm (Node.js package manager). Use the following command: sudo npm install -g fkill-cli The installation will display output ...
Read MoreLinux sdiff Command Examples
The sdiff command is a powerful Linux utility that provides side-by-side file comparison with interactive merging capabilities. Unlike traditional diff commands that show differences vertically, sdiff displays files in parallel columns, making it easier to visualize changes and identify discrepancies between two files. This command is particularly useful for system administrators, developers, and anyone who needs to compare configuration files, source code, or text documents. The interactive nature of sdiff allows users to selectively merge changes, creating a unified output file based on their preferences. Syntax The basic syntax for the sdiff command is: sdiff ...
Read MoreLinux stat Command with Examples
The stat command in Linux is a powerful tool for retrieving detailed information about files and file systems. It displays comprehensive data including file permissions, timestamps, ownership, inode numbers, and filesystem properties. This command proves invaluable for system administration, troubleshooting, and security analysis. Basic File Information The most common usage displays complete file metadata − $ stat /var/log/syslog File: /var/log/syslog Size: 602244 Blocks: 1200 IO Block: 4096 regular file Device: 803h/2051d Inode: 175419 ...
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