Linux Virtual Console and Terminal Explained

This tutorial explains what Linux virtual consoles and terminals are and how they work in Linux with examples. Virtual consoles and terminals allow multiple users to login and access a Linux system simultaneously. Linux Virtual Console (Terminal) To understand the Linux virtual console concept, we have to look back in the history of computers. In earlier days, computers used to be very expensive. Instead of personal computers, companies used to prefer mainframe computers. A mainframe computer Read more [...]

How to install VirtualBox on Ubuntu

This tutorial explains how to install VirtualBox on Ubuntu step by step with practical example. Learn how to add the repository and public keys to download and install the latest version of VirtualBox on the current version of Ubuntu. Installing VirtualBox in Ubuntu There are several ways to install software in Ubuntu. Installing it from repository is the safest and the easiest way. A repository is the collection of installable software. Broadly, Ubuntu divides repositories in two types; default Read more [...]

How to send messages or chat in Linux

This tutorial explains how to chat in Linux without installing and using any third party tool or software. Learn how the write, wall and mesg commands are used to send the messages to other logged-in users at the terminal. There are plenty of rich programs available in Linux that offer chat over the network. However, if you only need a basic program or tool that allows communication between logged-in users on the system, there is no need to install any additional program or third party tool. Linux Read more [...]

How to install XAMPP on Ubuntu Linux

This tutorial describes how to install the XAMPP on the Ubuntu Linux. Learn what the XAMPP is and how to install and configure it in the Ubuntu Linux with the practical example. Brief intro of the XAMPP XAMPP is a standalone application that provides web server environment for developing and testing the PHP based web applications. It mainly contains four elements; PHP, Perl, Apache and MariaDB. PHP and Perl are the programing languages. These are used to create dynamic websites and other web Read more [...]

XAMPP htdocs Permission issue and Fix in Ubuntu

This tutorial explains how to make the htdocs folder writeable in the Ubuntu. Learn how to fix the file permission and ownership issue of the htdocs folder. A brief intro of the Linux files permission Linux categorize all users in three types; owner, group and others. Based on these types, it allows system administrator to configure the file permission on all objects such as files and folders. There are three types of the file permission; read, write and execute. What a user can do with an Read more [...]

Auto Start XAMPP at Startup in Ubuntu Linux

This tutorial explains how to start the XAMPP automatically in the Ubuntu Linux. Learn how to create a script which starts the XAMPP during the boot process. XAMPP is the third-party application software. By default, Ubuntu does not start any third-party application. If we want Ubuntu to start any specific third-party application for us at the startup, we must have to instruct Ubuntu about it. For this tutorial, I assume that XAMPP is already installed. To learn what the XAMPP is and how Read more [...]

How to Update Firefox in Ubuntu Linux

This tutorial explains how to update the Firefox in Ubuntu. Learn how to upgrade the default shipped version of Firefox to the latest stable or developer version of the Firefox. Accessing Internet through the older version of Firefox involves several security risks. Known security bugs in older version may lure hackers in breaking the system security. To minimize the security risk, Firefox should be kept up to date. Firefox is the default browser in Ubuntu. When Ubuntu is installed, it also Read more [...]

How to install FileZilla FTP client in Ubuntu

This tutorial explains how to install FileZilla FTP client program in Ubuntu Linux. It also explains how to use the FileZilla without installation. A brief intro of FileZilla FileZilla is the open source FTP client program. It uses FTP/SFTP protocol to transfer the files. It allows us to securely transfer files from the local computer to the remote computer. It is mostly used by the web developers in the uploading, downloading and editing web pages. Webpages are stored in the server computer. Read more [...]

Permanently and Securely delete files in Linux

This tutorial explains how to use the shred command to permanently and securely delete files, partitions and drives in Linux. It also explains why deleting important files from the rm command is not sufficient. Broadly, data is organized in disk just like the chapters are organized in book. In book, an index page is used to tell the location where an actual chapter is stored. Instead of searching in entire book, one can easily look at the index page and directly go to the page where his desired Read more [...]

Ubuntu show CPU and Memory usages in Top Bar

This tutorial explains how to display the current usages of CPU, Memory, Network, Swap space and Hard disk in Ubuntu as notification in top bar. Learn how to view the real time usages of system resources in Ubuntu step by step with practical examples. In this tutorial, we will use the indicator-multiload application. Before we learn how to install and use this application, let’s quickly understand how it is different from already installed applications for system monitoring and tracking. There Read more [...]

ps aux command and ps command explained

This tutorial explains how to use the ps command in Linux. It also provides 10+ practical examples of the ps command. Learn how to read the output of ps aux command in detail. A brief intro of the ps command The ps (process status) command is one of the most frequently used commands in Linux. Usually it is used to get the more and detailed information about a specific process or all processes. For example it is used to know whether a particular process is running or not, who is running what Read more [...]

Ubuntu Flavors: – Types of Ubuntu Explained

This tutorial explains the different types of Ubuntu flavors in detail. Learn the differences and similarities between the different types of Ubuntu flavors. What is the Ubuntu Flavor? Ubuntu is a free open source operating system. It is available under the GPL license. GPL license allows us to modify, strip down, build upon, extend and embed any part of Ubuntu. It also allows us to distribute the original Ubuntu with those changes or modifications. A customized or modified version of the Read more [...]

How to install and use 7zip in Ubuntu Linux

This tutorial explains how to install and use the 7zip in Ubuntu Linux. Learn how to create a 7zip archive, add files in existing archive, list archive files, delete individual file or files from archive and extract files from archive in Ubuntu. A brief overview of 7zip 7zip is a community based open source file archiver. While comparing with other popular file archivers, it provides higher compression ratio. For example its default format 7z provides 30-50% better compression ratio than the Read more [...]

Install and Run Chrome as root in Ubuntu Linux

This tutorial explains how to install the Google Chrome in Ubuntu Linux and once the Chrome is installed, how to run it under the root user account. Google Chrome is one of the most popular web browsers. Just like the other applications, we cannot install it from the Ubuntu Software Center. We have to download and install it manually. Before we learn how to do this, let’s quickly understand why is the Chrome not available in Ubuntu Software Center? Chrome is developed by the Google. Google Read more [...]
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