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R is a programming language and environment for statistical computing and graphics. It provides a wide variety of statistical (linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, clustering) and graphical techniques.

In this article, we will explain how you can use the Ctrl+Alt+Del shortcut for the same old purpose; shutting down your Ubuntu Desktop. The process includes disabling the Ctrl+Alt+Del shortcut for logging out and creating a custom shortcut for shutting down.

In this article, we will describe three ways that a user can use to shut down or power off his/her Ubuntu system: using the UI, through the application launcher search bar and through the Ubuntu command line.

NTP or Network Time Protocol is a protocol that is used to synchronize all system clocks in a network to use the same time. In this article, we will describe a step-by-step procedure on how to install and configure NTP server and client on Ubuntu 18.04 LTS.

In this article, we will describe four ways using which a user can log out of his/her Ubuntu session using UI, the Keyboard shortcut, the application launcher search bar, and through the Ubuntu command line.

In this article, we will show you how to install MySQL database server on Ubuntu 18.04 and how to configure it securely.

In this article, we will describe how to configure mouse settings in detail on Ubuntu 18.04 LTS.

In this article, we will describe four ways to install Mozilla Firefox on your system. You can then make a choice based on the source you want to install Firefox from and also if you want to use the UI or the command line: Snap Store, Official Ubuntu Repository, Mozilla PPA repository and via download from Mozilla.org.

In this article, we will explain installing Thunderbird both through the command line and the UI. We will then explain how to launch the application and use it to set up Thunderbird to access and use your already existing Email account on your Ubuntu.

CouchPotato helps you in downloading movies automatically. In this article, we will explain a step by step process on how to install CouchPotato on Ubuntu.

In this article, we will explain how to install Tweet Tray on your Ubuntu, and use it to post a tweet on your Twitter account. We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system.

PDF or Portable Document Format is mostly our first choice when it comes to printing, sharing and emailing documents, especially the large ones. In this article, we will explain how to create a PDF file, convert a document to PDF and how to edit PDF files on Ubuntu.

In this article, we will explain the iptables commands that you can use in order to add a rule that tells the iptables firewall to block ping in and out of a server by controlling the ICMP requests.

Restarting a service is one of the administrative tasks that you will have to perform one time or the other while configuring software on your Ubuntu. In this article, we will explain how to restart a running service on your Ubuntu through the systemctl command.

In this article, we will explain how to install, seek help on, and use the autotrash utility. We will elaborate on the procedure by presenting some examples that will help you with the widely used functions of this utility.

This article explains how to use Bluetooth on your Ubuntu for file transfer, both through the UI and the command line. The article will also help you in resolving any glitches that you may encounter while turning on and transferring files on your Ubuntu.

In this article, we will describe how to test your microphone on Ubuntu. We will also explain how to make configurations to your microphone settings to ensure that it works in an optimal manner.

In this article, we will explain three methods to lock your Ubuntu screen; through the UI, through the keyboard shortcut, and through the command line.

In this article, we will explain how to set timers, alarms, and stopwatches on your Ubuntu system in the GUI and on the command line.

While using a Ubuntu system if you encounter difficulty in reading the text on your screen, there are many ways you can fix it according to your vision requirements. In this article, we will describe three ways for you to change the screen text size in Ubuntu.