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Articles by Pradeep Jhuriya
Page 2 of 8
How to use diff Command in Linux
The diff command in Linux is a powerful command-line utility used to compare the contents of two files or directories line by line and display the differences between them. This tool is essential for developers, system administrators, and anyone working with text files to identify changes, track modifications, and analyze variations in code, configuration files, or documents. Basic File Comparison The most fundamental use of the diff command is comparing two files. The basic syntax is: diff file1 file2 Example Consider two files with slight differences: $ diff file1.txt file2.txt 2c2 ...
Read MoreDisplaying Files Side by Side in Linux
Working with files on Linux often involves comparing or analyzing multiple files at once. A useful way to do this is to view the files side by side in the terminal, allowing for easy comparison and analysis. This article explores various methods to view files side-by-side on Linux, including the diff and sdiff commands, as well as text editors like vim and emacs. Using the diff Command The diff command is a standard Linux utility that compares two files and displays the differences between them. By default, it shows a unified diff format, but can display files side ...
Read MoreExtracting a WAR File in Linux
WAR (Web ARchive) files are compressed archives used to package Java web applications for deployment. Since WAR files are essentially ZIP archives with a .war extension, they can be extracted using standard Linux command-line tools. This article demonstrates how to extract WAR files on Linux using two primary methods. A WAR file contains all components needed for a web application, including HTML pages, CSS stylesheets, JavaScript files, Java classes, configuration files, and libraries. Extracting these files allows developers to inspect, modify, or troubleshoot web applications. Prerequisites Before extracting WAR files, ensure you have the following tools installed ...
Read MoreRemove the Last N Lines of a File in Linux
There may be times when you need to remove the last few lines of a file on Linux. For example, you may have a log file that is constantly being added and you want to keep only the most recent entries. In this tutorial, we'll explore different methods to remove the last N lines of a file on Linux. Use the head Command The head command can display the beginning of a file. By using the -n option with a negative number, we can exclude the last N lines from the output. To remove the last N ...
Read MoreFind the Current Working Directory of a Running Process in Linux
One of the basic tasks when working with processes on a Linux system is determining the current working directory of a process. The current working directory, also known as the "current directory" or "current working folder, " is the directory in which a process runs and interacts with files. Knowing the current working directory of a process can be useful for debugging, understanding the environment in which a process is running, or monitoring process activity. In this article, we will discuss how to find the current working directory of a running process on Linux. We will cover several methods ...
Read MoreRun Cron Job Only If It Isn't Already Running in Linux
Cron is a utility in Linux that allows users to schedule commands or scripts to run automatically at a specific date and time. However, sometimes it may be necessary to ensure that a cron job does not run more than once at a time, preventing resource conflicts or data corruption. In this article, we will discuss two effective methods to prevent overlapping cron tasks: using process tracking and using a .pid file. Method 1: Process Detection with pgrep One way to avoid overlapping cron task execution is to check for the presence of the task's process before running ...
Read MoreMove All Files Including Hidden Files Into Parent Directory in Linux
In Linux, hidden files (also called dotfiles) are files whose names begin with a dot (.) character. These files typically store configuration data or system settings that should be handled carefully. When you need to move all files from a subdirectory to its parent directory, including these hidden files, Linux provides several effective methods. Using the mv Command The mv command is the standard tool for moving files and directories from one location to another. It can also be used to rename files and directories. Moving Visible Files Only To move all visible files from a ...
Read MoreHow to Find and Replace Text in a File on Linux
In Linux-based operating systems, there are many ways to search (find) and replace text in a file. Depending on the size of a file and the complexity of the find and replace operation, different tools and commands may be more appropriate. In this article, we'll learn several different methods of finding and replacing text in Linux environments. Using the sed Command The sed (stream editor) command line tool is a powerful utility that can be used to find and replace text in files on Linux. This tool performs text transformations and can operate in both interactive and non-interactive ...
Read MoreBest KDE Multimedia Applications for Linux
KDE (K Desktop Environment) is a free and open-source desktop environment for Linux and Unix-like operating systems that provides a visually appealing and user-friendly interface. KDE offers a comprehensive suite of multimedia applications that can help users play, edit, and create audio, video, and graphic content on their Linux devices. In this article, we will explore the best KDE multimedia applications for Linux users who want to create, edit, and play multimedia content on their desktops. Best KDE Multimedia Players Multimedia players are essential for Linux users who want to enjoy audio and video content on their ...
Read MoreBest Music Players for Ubuntu & Linux Mint
Linux and Ubuntu are popular operating systems used by millions of people worldwide. They are widely favored by music enthusiasts because of their open-source nature and extensive customization options. If you are using Ubuntu or Linux Mint for your music needs, choosing the right music player can significantly enhance your listening experience. In this article, we will explore the best music players for Ubuntu and Linux Mint, highlighting their features, benefits, and drawbacks. Criteria for Selecting Music Players When selecting a music player for Ubuntu and Linux Mint, it is important to consider various factors to ensure that ...
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