Introduction Disk scanning is an essential task for any system administrator or user. Disk scanning tools are used to analyze and diagnose problems with storage devices, including hard drives and solid-state drives. Linux operating systems have several tools available for disk scanning, including GUI and terminal-based options. In this article, we will discuss three of most useful Linux disk scanning tools. GSmartControl GSmartControl is a graphical user interface (GUI) tool for Linux that allows users to check health of their hard drives and solid-state drives. This tool provides detailed information about disk's health, including temperature, read and write error rates, ... Read More

As one of most popular programming languages, Node.js has a vast collection of modules and packages that simplify development process for various applications. To manage these packages and dependencies, developers rely on package managers that are specifically designed for Node.js. In this article, we will explore three top Node.js package managers for Linux and discuss their features and benefits. npm (Node Package Manager) npm is undoubtedly most popular and widely used package manager for Node.js applications. It is a command-line tool that helps developers to manage packages, dependencies, and versions of packages for their Node.js projects. npm comes bundled with ... Read More

Debian is one of most popular Linux distributions among users, and it uses ".deb" package format to install software packages. These packages contain all necessary files and instructions for installing software on your system. While there are several ways to install Debian packages, using command line is most efficient way. In this article, we will discuss three command-line tools that can be used to install local Debian packages. APT (Advanced Package Tool) APT is default package manager in Debian, and it can be used to install packages from repositories or local packages. To install a local Debian package using APT, ... Read More

Linux is known for its vast range of file managers and explorers that make managing files on platform a breeze. In this article, we will explore 25 best file managers and explorers for Linux, including both GUI and CLI options. Nautilus Nautilus is default file manager for GNOME desktop environments. It comes pre-installed with most Linux distributions that use GNOME as their desktop environment. Nautilus is an intuitive file manager that makes navigating through files and folders easy. It supports tabs, bookmarks, and a built-in search functionality. Dolphin Dolphin is default file manager for KDE desktop environments. It is feature-rich ... Read More

Introduction SUSE Linux is a popular operating system in Linux community, and its package management system plays a vital role in overall performance of OS. Zypper is command-line package manager for SUSE Linux and is used to install, update, and remove packages on system. In this article, we will discuss 25 Zypper commands that will help you manage your SUSE Linux package management system efficiently. Installing Packages with Zypper To install packages using Zypper, use following command − sudo zypper install For example, to install Firefox browser, use following command − sudo zypper install firefox Removing Packages ... Read More

As a Linux administrator or developer, ensuring that configuration files or scripts are valid is crucial for smooth operation of your system. Configuration files and scripts define behavior and settings of software applications and services on your Linux system. A mistake in a configuration file or script can cause an application or service to fail or behave unexpectedly. In this article, we will discuss 25 ways to validate configuration files or scripts in Linux. Syntax Check One of most basic ways to validate a configuration file or script is to perform a syntax check. Syntax checking is process of examining ... Read More

Linux is a popular open-source operating system used by many system administrators for managing their servers and infrastructure. As a system administrator, it is essential to have a good understanding of Linux commands to manage and troubleshoot system efficiently. In this article, we will discuss 25 useful Linux commands for system administrators, along with their examples. ls - List Directory Contents The ls command is used to list contents of a directory. By default, it lists files and directories in current directory. Example − To list all files and directories in current directory, use following command − ls cd ... Read More

The ‘ps’ command is a popular tool used for monitoring processes in Linux operating system. It stands for ‘process status’ and is used to display information about processes currently running on a system. This information can be useful for troubleshooting, optimizing performance, and identifying potential security issues. In this article, we will discuss 25 useful ‘ps command’ examples for Linux process monitoring. Display a list of all processes To display a list of all processes running on a Linux system, use following command − ps aux This will display a list of all processes along with their PID (process ... Read More

After installing minimal version of RHEL/CentOS 7, you might be wondering what to do next. minimal installation provides you with a basic operating system, but you still need to install additional packages and configure system to suit your needs. In this article, we will explore 25 things to do after a minimal RHEL/CentOS 7 installation to help you get started. Update System First thing to do after installing a minimal RHEL/CentOS 7 is to update system. This will ensure that you have latest security updates and bug fixes. To update system, use following command − sudo yum update Install ... Read More

Introduction Linux Find Command is a powerful utility that enables you to search for files and directories on your system. command searches for files and directories based on various criteria, including file name, type, size, date modified, and ownership, among others. This article provides 25 practical examples of how to use Linux Find Command to search for files and directories based on specific criteria. Find Files by Name The simplest way to use Linux Find Command is to search for files by name. For example, to search for all files with name "example.txt, " use following command − $ find ... Read More