Introduction Monitoring network usage is important in order to understand the performance and potential bottlenecks in a network. In Linux, there are several tools that can be used to monitor network usage. These tools can be broadly categorized into two groups; tools that report the network usage per interface as a single figure and tools that group the network usage on a per-socket or per-process basis. In this article, we'll look at different tools for monitoring network usage in Linux, including nload, speedometer and iftop. nload Tool in Linux nload is a command-line tool that displays network usage on a ... Read More

Introduction The abundance of data generated by modern businesses requires a comprehensive and reliable data integration solution. Choosing the right tool can be a challenging task, with a multitude of options available on the market. This article aims to examine some of the most important data integration tools and highlight their strengths and weaknesses, providing a basis for decision making. Talend Open Studio for Data Integration Talend Open Studio for Data Integration is a powerful open source solution for data integration, extraction, transformation and loading (ETL). It offers a user-friendly interface, making it easy to use for developers of all ... Read More

Introduction Debian-based Linux distributions are some of the most popular and widely used distributions in the world. They offer a stable and robust platform for users, with access to a vast array of open-source software packages. Here are some of the best Debian-based Linux distributions you should consider. Linux Mint Linux Mint is another popular Debian-based distribution that focuses on ease of use and user experience. It is known for its clean and intuitive interface, and its focus on user-friendliness has made it a popular choice for new Linux users. Linux Mint also has a large software repository and a ... Read More

Introduction FTP (File Transfer Protocol) is a standard network protocol used for transferring files between a client and a server on a computer network. An FTP server is a software application that enables clients to upload and download files to and from the server. One popular open-source FTP server is VsFTP, which provides a range of features for managing and securing file transfers. In this article, we will discuss the key features and benefits of VsFTP, as well as common interview questions and answers about this FTP server. Whether you are a system administrator looking for a secure and stable ... Read More

Introduction Penetration testing is a crucial aspect of securing modern systems and networks. It helps identify potential vulnerabilities that attackers can exploit. With the growing complexity of systems and the plethora of attack vectors available, the tools used for penetration testing have evolved over the years. One such tool, Evil-WinRM, has become a go-to tool for pentesters when it comes to attacking Windows-based systems. What is Evil-WinRM? Evil-WinRM, an open source penetration testing framework, is designed to provide an easy and efficient way to automate various tasks and run complex commands on a remote Windows machine. It is a powerful ... Read More

Introduction On Linux, there are several ways to recursively remove files with a specific extension (.xyz) in a directory and its subdirectories. Deleting files recursively means deleting all files with the specified extension from the directory and all of its subdirectories. This operation can take a long time if done manually, especially for a large number of files. In this article, we will look at three methods to recursively delete files with a specific extension on Linux. Using the rm command The rm command is a basic file manipulation tool in Linux used to remove files and directories. It can ... Read More

Introduction The tr (translate) command is a Linux utility that allows you to perform various transformations on text input. Whether you need to change case, remove repeating characters, remove characters, set complements or remove newline characters, tr can handle it all. In this article, we'll explore the various options available with the tr command and show you how to use them to transform text. Syntax of tr Command The basic syntax of the ‘tr’ command is as follows − $ tr SET1 SET2 < inputfile where − SET1 is a set of characters to be replaced by the ... Read More

Introduction As a Linux user, it's common to run the same command in multiple directories. For example, you might want to search for all files with a certain extension or run a shell script in multiple directories. This task can be time-consuming if done manually, and becomes even more tedious as the number of directories increases. Fortunately, Linux provides several methods for running a command across multiple directories efficiently. In this article, we'll take a look at some of these methods and show you how to run a command on multiple directories in Linux. Using the Find Command to Execute ... Read More

Introduction Linux is a powerful and adaptable operating system with numerous features that make it suitable for both personal and business use. File permissions are one of these features that is very important because they let you control who can access and change your files. We'll take a closer look at Linux's advanced file permissions in this article, focusing on some of the most important ideas and commands. Setting File Permissions in Linux Understanding Linux file permissions starts with knowing how to set them. The chmod command, which stands for "change mode, " is used to accomplish this. Change the ... Read More

Introduction The ps command is a widely used utility in Linux that provides a snapshot of current processes and their status. It helps monitor running processes, identify process ID (PID), terminal type (TTY), CPU time usage, command name, user ID and other information. This article provides a comprehensive overview of the various use cases of the ps command in real life. Syntax of ps Command The basic syntax of the ps command is as follows − $ ps [OPTIONS] The ps command supports three different syntax styles: Unix, BSD, and GNU. Unix-style syntax can be wrapped and preceded by ... Read More