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Set default Editor in Ubuntu and FileZilla

This tutorial explains how to set default editor in Ubuntu Linux for PHP files and FileZilla client program. Learn how to set your preferred editor as default editor for specific file types. The gedit is the default editor in Ubuntu Linux. By default, Ubuntu opens all text files with this editor. This editor provides basic features and functions for creating, editing and updating the text files. These features and functions are sufficient if you only work with the simple and regular text Read more […]

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Enable Sound Service for root user in Ubuntu Linux

This tutorial explains how to enable the sound service for the root user account in Ubuntu Linux. Learn how to start audio service under the root user account. To enhance the system security, by default, the root user account is disabled in Ubuntu Linux. Due to any reason if you have enabled this account and want to use it in audio related task such as; watching video and listening music, then you have to enable the audio service too. By default, the audio service is disabled for the root Read more […]

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How to Install VLC Player in Ubuntu Linux

This tutorial explains how to install the VLC player in GUI interface from the Ubuntu Software Center and in the CLI interface from the apt-get utility. VLC is a free and open source cross-platform multimedia player. It can play most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. There are two ways to install the VLC player in Ubuntu Linux; through the Ubuntu Software center and through the apt-get command line utility. Let\’s understand both methods in Read more […]

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How to install Ubuntu Linux Step by Step Explained

This tutorial explains how to install Ubuntu Linux in detail with practical example. Learn the Ubuntu installation steps and available options in each step along with their meaning. To start installation process, boot system from the Ubuntu installation disk. First screen of the installation process has the two panes; left pane and right pane. Left pane allows us to localize the language. Right pane allows us install the Ubuntu in hard disk. It also allows us to try the Ubuntu without installation. To Read more […]

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How to install Ubuntu Linux from USB Pen Drive

This tutorial explains how to install Ubuntu Linux from the Pen drive or USB drive step-by-step with practical example. Learn how to create, prepare and use Ubuntu bootable USB drive in detail. Downloading Ubuntu installation disk image Ubuntu packs installation files in an archived package. This package is formatted and distributed as an ISO image file. You can download this ISO image file from the following webpage. https://www.ubuntu.com/download Since installation files are compressed Read more […]

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How to Use the sort Command in Linux

This tutorial explains how to use the sort command in Linux through practical examples. Learn how to sort multiple files or content of a single file based on several criteria. The sort command is used to sort the content of a file. By default, this command serializes the content alphabetically. For sorting, it uses the first letter of each line. To sort contents based on other criteria or sort contents in reverse order, we have to use related options with this command. In this tutorial, we Read more […]

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Differences between SysVinit, Upstart and Systemd

This tutorial explains the differences between SysVinit, Upstart and Systemd. Learn what the systemd is and how it is different from its predecessors. What is the systemd? The systemd (system daemon) is a service and management mechanism. In RHEL7 or above, it is responsible for initializing and activating system resources and server daemons at the boot time as well as on a running system. In easy language, the systemd starts and manages all types of processes and services in Linux. In technical Read more […]

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Generate or Create a Large text file in Linux

This tutorial explains how to generate or create files of different sizes (such as; large text file, empty file, 100 MB file, 1 GB file, specific size file, and custom data file) in Linux for testing and debugging purposes. Linux offers several commands for creating, manipulating and managing text files. Broadly, we can categorize these commands in two types; regular text manipulating commands and system text manipulating commands. Regular text manipulating commands These commands are used Read more […]

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Systemd Unit Configuration Files Explained

This tutorial explains Systemd unit configuration files in detail. Learn how systemd unit configuration files are formatted along with the types and locations of systemd unit configuration files. Systemd uses units to manage system services and processes. Systemd units use configuration files to control their related operations. There are three types of unit configuration files; default unit configuration files, system specific unit configuration files, and run-time unit configuration files. This Read more […]

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Systemd Target Units Explained

This tutorial explains Systemd target units in detail. Learn what the systemd target units are and how they are used to boot a Linux system into different states or run-levels. Systemd manages all services and processes in Linux. To control and manage services and processes, it uses units. A unit represents and manages an individual service or process. A target-unit is the logical collection of other system units. System state A system state is an environment in which all the required services Read more […]

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Shutdown, Reboot, Suspend and Hibernate a Linux System

This tutorial explains how to perform various power management related tasks in a Linux system such as halt, power-off, shutdown, reboot, sleep (suspend), hibernate, and hibernate-sleep. Before we understand how to perform various power management related operations in a Linux system, let’s briefly understand what power management related options/modes/states are available in the Linux and how they are different from each other. In Linux, seven power management related options are available. Read more […]

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How to use the systemctl command to manage Systemd services

This tutorial explains how to use the systemctl command to stop, start, load, reload, enable, disable, and restart a systemd service. Learn how to manage systemd services from the systemctl command. Understanding control options/actions A systemd service can be controlled by six types of actions. These actions are the start, stop, restart, reload, enable and disable. These actions can be divided into two types; boot-time actions and run-time actions. Boot-time actions are the enable and disable. Read more […]

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How to Use the man command in Linux

This tutorial explains what the manual pages are and how the man command categorizes them in sections. Learn man command syntax and options through practical examples. What are the man or manual pages? When we install a package, the package automatically installs pages that provide a detailed description of the contents and functionalities of that package. For example, if a package provides a command, the pages of the package explain how to use the command. Or if a package provides a service, Read more […]

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How to Use the help Command in Linux

This tutorial explains what the help command is and how it is used to get help about the built-in commands in Linux. Learn how to use the help command through practical examples. A Linux shell contains two types of commands: internal commands and external commands. Internal commands are also known as the built-in commands. They are automatically installed as part of the shell when the shell is installed. Since internal commands are installed as part of the shell, most of them don\’t Read more […]

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How to use the info and pinfo commands in Linux

This tutorial explains how to use the info and pinfo commands in Linux. Learn what the Texinfo pages are and how they are organized and how they are read by the info and pinfo commands. What are the Texinfo or Info manual pages in Linux? When we install a software package, it automatically installs help pages that not only explain the functionality of the package but also provide a detailed description of how to use the functionality of the package. Packages prepare their help pages in one Read more […]