In this tutorial you will learn how to install GUI ( graphical user interface ) on Ubuntu 20.04 Focal Fossa Server/Desktop.

In this tutorial you will learn:
  • How to install tasksel
  • How to select GUI from tasksel tasks
  • How to install GUI
  • How to login to newly installed GUI

GNOME, GNU Network Object Model Environment is a graphical user interface (GUI) in Linux and, in particular, in the Ubuntu operating system. It includes a variety of desktop applications and its aim is to make a Linux system easy to use for non-programmers. The objective of this tutorial is to install Gnome on Ubuntu 20.04 Focal Fossa Linux.

DID YOU KNOW that you can download Ubuntu 20.04 dedicated desktop flavours? This way Ubuntu provides users with an alternative desktop experience distinct to the default GNOME Ubuntu Desktop.
In this tutorial you will learn:
  • How to install Gnome Vanilla on Ubuntu 20.04.
  • How to install Full Gnome Desktop.

GCC, the GNU Compiler Collection is a compiler system developed to support various programming languages. It is a standard compiler used in most projects related to GNU and Linux, for example, Linux kernel. The objective of this tutorial is to install GCC the C compiler on Ubuntu 20.04 LTS Focal Fossa Linux. This will be achieved by using the apt install command.

In this tutorial you will learn:
  • How to install GCC compiler
  • How to Check C compiler version
  • How to Compile basic C program from source code
  • How to run C program

Compose is a feature for setting up and running multi-container Docker applications. With a single command, you can create and start all the services from your configuration. To learn more about Compose see How To Launch Containers With Docker Compose. The objective of this short guide is to install docker-compose on Ubuntu 20.04 Focal Fossa Linux Server/Desktop.

In this tutorial you will learn:
  • How to install docker-compose from Ubuntu repository
  • How to install the latest docker-compose from the official git repository

In this article, we will show you a few methods for customizing the dock panel in the default GNOME desktop environment on Ubuntu 20.04 Focal Fossa Linux.

GNOME is the default desktop environment for Ubuntu 20.04, and one of the first things you'll see on your desktop is the dock panel to the left of the screen. The dock panel is highly customizable, so it's easy to tailor it to your liking.

In this tutorial you will learn:
  • How to adjust dock panel appearance in settings menu
  • How to use dconf-Editor for granular dock panel settings
  • How to adjust settings via command line
  • How to revert undesirable changes to the dock panel

In this tutorial we will install multiple versions of GCC and G++ compilers using the apt install command. Furthermore, by use of the update-alternatives tool you will learn how to easily switch between multiple GCC and G++ compiler versions and how to check the currently selected compiler version.

In this tutorial you will learn:
  • How to install multiple GCC and G++ compiler versions
  • How to create alternative compiler version list
  • How to switch between multiple compiler versions

Gnome Tweak Tool is used to customize Ubuntu's looks and behavior. The objective of this tutorial is to install Gnome Tweak Tool on Ubuntu 20.04 LTS Focal Fossa Linux. This tutorial uses the apt install command to command to install Gnome Tweak Tool from the Linux command line.

In this tutorial you will learn:
  • How to install Gnome Tweak Tool
  • How to start Tweak Tool
  • How to install additional GNOME tweak extensions

The objective of this guide is to configure static IP address on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to set static IP address on Ubuntu Desktop and Server
  • How to set static gateway and DNS server

In this tutorial we will be installing Adobe Acrobat Reader DC application on Wine using the snap software installation tool.

In this tutorial you will learn:
  • How to install Adobe Acrobat Reader DC
  • How to start Adobe Acrobat Reader DC
  • How to disable network of Adobe Acrobat Reader DC app

In this tutorial you will learn how to uninstall the NVIDIA drivers on Ubuntu 20.04 Focal Fossa Linux, hence switch back to the opensource Nouveau Nvidia drivers.

In this tutorial you will learn:
  • How to uninstall the Ubuntu repository and PPA NVIDIA drivers
  • How to uninstall the Official Nvidia driver
  • How to switch to Nouveau driver

The objective of this tutorial is to install Adobe Acrobat Reader on Ubuntu 20.04 Focal Fossa Linux.

WARNING
Please note that Adobe no longer supports Acrobat Reader for Linux. The latest native Linux version is 9.5.5 dated from 26/04/2013. From this reason you should refrain using/installing Adobe Acrobat Reader to avoid potential vulnerabilities and hacker exploits. You are recommended to consider installation of Adobe Acrobat Reader on Wine.
In this tutorial you will learn:
  • How to install Adobe Acrobat Reader prerequisites
  • How to download Adobe Acrobat Reader
  • How to install Adobe Acrobat Reader
  • How to start Adobe Acrobat Reader

AMD graphic cards are well supported on Ubuntu 20.04 Focal Fossa. The default open source AMD Radeon Driver is installed and enabled by default out of the box. However, since the Ubuntu 20.04 is a long term support (LTS) release the AMD Radeon graphic card users have few AMD Radeon driver installation options to their disposal.

In this tutorial you will learn:
  • How to check current AMD Radeon driver version
  • How to install AMD Radeon from PPA repository
  • How to install the official AMD Radeon AMDGPU-PRO driver
  • How to test the performance your AMD Radeon Graphic card

The default Ubuntu firewall is ufw, with is short for "uncomplicated firewall.” Ufw is a frontend for the typical Linux iptables commands but it is developed in such a way that basic firewall tasks can be performed without the knowledge of iptables. Additionally, ufw can be managed from a graphical interface. In this article you will learn how to enable and disable firewall on Ubuntu 20.04 LTS Focal Fossa Linux.

In this tutorial you will learn:
  • How to check firewall status
  • How to enable/disable firewall
  • How to control firewall settings from GUI

The objective is to disable the default Nouveau kernel driver on Ubuntu 20.04 Focal Fossa Linux Desktop.

In this tutorial you will learn:
  • How to blacklist Nouveau nvidia driver
  • How to update kernel initramfs

There exist various ways of restarting network on Ubuntu 20.04. Possibly the simplest way would be to restart network from GUI such as GNOME. Other ways would include the use of the command line and commands netplan and ip. Finally, the NetworkManager command line tool nmcli or the System V init scripts can be used to successfully restart network on Ubuntu 20.04 Focal Fossa.

In this tutorial the reader will be provided with comprehensive information on:
  • How to restart network from GUI
  • How to restart network using the netplan command
  • How to restart network using the ip command
  • How to restart network using System V init scripts
  • How to restart network by using the NetworkManager command line tool nmcli

FIND LATEST LINUX JOBS on LinuxCareers.com
Submit your RESUME, create a JOB ALERT or subscribe to RSS feed.
LINUX CAREER NEWSLETTER
Subscribe to NEWSLETTER and receive latest news, jobs, career advice and tutorials.
DO YOU NEED ADDITIONAL HELP?
Get extra help by visiting our LINUX FORUM or simply use comments below.

You may also be interested in: