This article will help you to understand the 'useradd' command in Linux/Unix based systems. As we all are aware that Linux is a multi-user and a multitasking operating system (OS). It has been built with a large number of commands from basic to advance. Here, we are going to see the 'useradd' command, it is […]

This article will help you learn how to setup/configure a High-Availability (HA) cluster on Linux/Unix based systems. For broader coverage, see our Linux network administration guide. Cluster is nothing but a group of computers (called nodes/members) to work together to execute a task. Basically there are four types of clusters available, which are Storage Cluster, […]

This article will help you learn how to setup/configure iSCSI on Linux/Unix based systems. iSCSI stands for (Internet Small Computer System Interface), which is an Industry standard protocol which is mainly used to share the storage device over the TCP/IP layer. Unlike Samba or NFS, which work at the file system level whereas iSCSI works […]

Magento is a robust and powerful platform for eCommerce websites. It is built with a PHP Framework. It comes with two editions - Magento-2 Commerce (EE), formerly known as Enterprise Edition) and Magento-2 Open Source (formerly known as Community Edition). Magento-2 is a fully customizable and user-friendly interface, which can set up and control a […]

This practical guide will help you understand the use of the df command in Linux and how to use it with multiple options on Linux/Unix systems. The 'df' (Disk Free) command is in an inbuilt utility to find the available and disk usage space on Linux servers/storage. This command is mainly used by all the […]

Linux/, a Unix based system that comes with an inbuilt utility 'ps' (processes status) to check the information on the running process. The process is nothing but a program in Linux/Unix to execute a specific task. For more daily essentials, see our Linux system administration cheat sheet. The ps command in linux is used to […]

The final version of the Red Hat Enterprise Linux 7 is released. Click here for more details

With RHEL 8 Beta, it is possible to complete many of the common day-to-day tasks of a system administrator from the Web Console. These include:

This article explains how to use curl in Linux with 15 examples. The curl command is one of the most powerful and useful tools that are used by web developers as well as by PHP programmers and System Administrators. Most commonly, it is used to transfer data between remote and local systems. Through this command, […]

Learn how to use the du command in Linux to check disk usage, find large files and directories, and free space using practical, real-world command examples. It is a standard command used to estimate space usage (meaning, in the terminal we can find the exact size each directory and file takes up). There are multiple […]

The find command in Linux/Unix is known to be one of the most important and frequently used commands for searching files and directories. It pairs well with our other Linux file management commands. It supports different arguments and options for finding files and directories. Even if you can search files and directories in Linux via […]

On Linux/Unix platforms, the 'ls' command is one of the most frequently used commands, and it pairs naturally with the cd command for moving between directories. This should be one of the first commands you train when you enter the shell/command prompt. If you're new, start with our Linux commands for beginners guide. This guide […]

The echo command in Linux is an essential tool for scripting and programming. The purpose of the echo command in Linux primarily displays or prints various arguments on the terminal screen. Additionally, the command can be used to create and modify environment variables, manage file input/output, and execute shell commands. This is a highly versatile […]

By using the cron command, we can schedule and run many tasks automatically in Linux/Unix. You can execute them once or on a regular basis. Cron is widely used to schedule repetitive tasks at regular intervals (using commands listed in a file called 'crontab'), and the 'at' function is a way of scheduling a task […]

The 'cat' command is one of the most frequently used commands in Linux (short for "concatenate"). This is a standard Unix application that concatenates and displays files. There are three functions associated with text files (1. By using the cat command, we can see the contents of a file on screen. Cat concatenates FILE(s) or […]

LAMP stands for Linux, Apache, MySQL, and PHP. An acronym for a Linux/UNIX server powered by Apache, MySQL/MariaDB, and PHP as a server-side scripting language. Also known as LAMP stack. Lamp Stack has a strong foundation, which makes it ideal for construction and development of high-performance websites. Advantages of using Lamp stack in web development? […]