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Ubuntu
To following article will provide the reader with multiple methods of accessing the terminal window on Ubuntu 20.04 Focal Fossa desktop.

In this tutorial you will learn:
  • How to open terminal window using shortcuts
  • Other ways how to quickly open the terminal window

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Ubuntu
The objective of this tutorial is to activate the UFW firewall on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to check UFW status
  • How to activate UFW

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Ubuntu
The objective of this tutorial is to provide the reader with a troubleshooting guidance on how to resolve the error message Unable to locate package on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to update package repository index
  • How to check Ubuntu version
  • How to use Ubuntu package search
  • How to add repository

Details
Ubuntu
Depending on your Ubuntu 20.04 Server/Desktop installation your system might not come with the ping command pre-installed. This is especially the case for docker containers. Any attempt to ping a remote system will result in the following error: 
ping linuxconfig.org
bash: ping: command not found
In this tutorial you will learn:
  • How to install ping command on Ubuntu

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Ubuntu
In this tutorial you will learn how to install the curl command on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to install curl command
  • How to troubleshoot Command 'curl' not found error

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Ubuntu
The Ubuntu 20.04 GPG error: The following signatures couldn't be verified is a most common error when attempting to include third party package repositories to the apt package manager.

The GPG error should rather be treated as a warning against potential package installation from unknown sources. Therefore, the GPG error message prompts the user to verify and manually import the third party signature belonging to relevant package developer.

In this tutorial you will learn:
  • How to import public key signature

Details
Ubuntu
In this tutorial you will learn how to reset your GNOME Desktop Settings to Factory Default on Ubuntu 20.04 Focal Fossa. The reset will put your desktop appearance and all settings, shortcuts, wallpapers and etc. to the factory default.

In this tutorial you will learn:
  • How to Reset GNOME Desktop Settings to Factory Default

Details
Ubuntu
In this tutorial you will learn how to install the make command on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to install make command
  • How to troubleshoot the Command 'make' not found error

Details
Ubuntu
In this tutorial you will learn how to permanently add a static route on Ubuntu 20.04 Focal Fossa Linux using netplan.

In this tutorial you will learn:
  • How to add permanent static route
  • How to apply new netplan configuration
  • How to check static routes from command line

Details
Ubuntu
In this tutorial you will learn how to install AnyDesk application on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:
  • How to installed AnyDesk
  • How to share desktop remotely
  • How to to connect to AnyDesk remote desktop

Details
Ubuntu
In this tutorial you will learn how to change the default Ubuntu 20.04 Desktop to macOS theme. Although in this tutorial we will perform the installation of macOS Mojave theme the steps bellow should be applicable to perform the installation of any other macOS style theme.

In this tutorial you will learn:
  • How to install macOS theme
  • How to install macOS icons
  • How to install macOS cursor theme
  • How to install macOS style bottom panel
  • How to set macOS Mojave wallpaper
  • How to start automaticaly macOS panel after reboot

Details
Ubuntu
The objective of this tutorial is to hibernate ( suspend to disk ) the Ubuntu 20.04 Focal Fossa Linux Desktop.

In this tutorial you will learn:

Details
Ubuntu
The objective of this guide is to install the Atom editor on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:
  • How to install Atom
  • How to start Atom
  • How to update Atom

Details
Ubuntu
The objective of this guide is to install AWS CLI on Ubuntu 20.04 Focal Fossa Linux. In particular, this article will describe a procedure of installing AWS CLI on Ubuntu 20.04 from a standard Ubuntu repository using the apt command.

In this tutorial you will learn:
  • How to install AWS CLI on Ubuntu 20.04

Details
Ubuntu
In this tutorial you will learn how to set / change server's Fully Qualified Domain Name (FQDN) on Ubuntu 20.04 Focal Fossa Linux server or desktop.

In this tutorial you will learn:
  • How to change or set FQDN via /etc/hosts

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