Virtualbox guest additions on Ubuntu 20.04 LTS Focal Fossa

Virtualbox: install guest additions on Ubuntu 20.04 LTS Focal Fossa

The VirtualBox Guest Additions consist of device drivers that allow for better screen resolution and mouse integration. They will optimize your operating system with respect to its performance and usability. In this tutorial we will be installing the Virtualbox Guest Additions on Ubuntu 20.04 LTS Focal Fossa Linux.

In this tutorial you will learn:

  • How to install Virtualbox guest additions.
  • How to check Virtualbox guest additions installation.

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Ubuntu 20.04 Focal Fossa

Things to know about Ubuntu 20.04 Focal Fossa

Canonical’s latest iteration to the Ubuntu operating system is Ubuntu 20.04 Focal Fossa, released on April 23, 2020. This is an LTS (long term support) release – the type of release that Canonical only publishes every two years, and continues to support for the next five.

In this article, we’re going to go over some of the features we’re most excited about, and cover a lot of the differences between Focal Fossa and Ubuntu’s previous LTS release, Bionic Beaver. Read on as we take you through some of the upcoming changes.

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Sync time on Ubuntu 20.04

How to sync time on Ubuntu 20.04 Focal Fossa Linux

In this guide, we’ll be showing you how to setup time synchronization on Ubuntu 20.04 Focal Fossa. Time synchronization is an important part of keeping your system clock up to date and configuring timezones correctly.

In this tutorial you will learn:

  • How to ascertain date and time information
  • How to turn time synchronization on and off
  • How to test time synchronization
  • How to use GUI to edit time information

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Ubuntu 20.04 reset root password

Ubuntu 20.04 reset root password

The objective of this tutorial is to reset a lost root or user password on Ubuntu 20.04 Focal Fossa Linux.

In this tutorial you will learn:

  • How to gain root shell without password
  • How to mount root (/) directory read/write
  • How to reset root password
  • How to reset user password

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How to add user on Ubuntu 20.04 Focal Fossa Linux

How to add user on Ubuntu 20.04 Focal Fossa Linux

The purpose of this tutorial is to explain how to add user on Ubuntu 20.04 Focal Fossa Linux. The guide will provide instructions on how to add user on Ubuntu using graphical user interface (GUI) and also how to create user using a command line.

In this tutorial you will learn:

  • How to add user from command line
  • How to add user from graphical user interface
  • How to add user to group
  • How to retrieve user and group information

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Listing PPA repositories on Ubuntu 20.04

How to list and remove PPA repository on Ubuntu 20.04 Linux

As you probably know, tons of software can be installed in Ubuntu 20.04 right from the command line via apt or from the Ubuntu Software application on Ubuntu’s desktop. The way this works is that Ubuntu will query a repository which contains links to the various software you may wish to install. It searches for the package you specify, and then downloads and installs it.

Although Ubuntu’s default package archive contains some of the most common software people need, a lot of times it’s necessary to install a package using a PPA repository. No problem there, except these PPA repositories don’t remove themselves unless you do it manually. After a while, your system could be querying a lot of irrelevant PPA repositories every time you install or update software. In this guide, we’ll show you how to list and delete the PPA repositories on Ubuntu 20.04 Focal Fossa.

In this tutorial you will learn:

  • How to list PPA repositories via command line
  • How to remove PPA repositories via command line
  • How to list and remove PPA repositories via GUI

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Install DEB file on Ubuntu 20.04

Install DEB file on Ubuntu 20.04 Focal Fossa Linux

A file that has the .DEB file extension is a Debian software package file. They contain software to be installed on Debian or a Debian-based operating system. Ubuntu falls into that category, being based on Debian and capable of executing .DEB files.

In this article, we’ll go over the steps to install a DEB file on Ubuntu 20.04 Focal Fossa and talk about some best practices along the way.

In this tutorial you will learn:

  • DEB file security and searching Ubuntu’s package repository
  • How to intall DEB files with dpkg
  • How to install DEB files with gdebi
  • How to install DEB files via GUI
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Ubuntu 20.04 NTP server

Ubuntu 20.04 NTP server

NTP stands for National Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. On a local network, the server should be able to keep all client systems to within a single millisecond of each other.

Such a configuration would be necessary if, for example, the systems needed to start or stop a task in unison at a precise time. In this article, we’ll show you how to configure an NTP server on Ubuntu 20.04 Focal Fossa and how to configure a client system to sync its system time with said server.

In this tutorial you will learn:

  • How to install and configure NTP server
  • How to connect to an NTP server from a client machine

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FileZilla FTP client on Ubuntu 20.04

FTP client list and installation on Ubuntu 20.04 Linux Desktop/Server

When it comes to FTP clients, there’s no shortage of choices available on Ubuntu 20.04 Focal Fossa. Variety is nice, but it makes it a little more challenging to select the very best tool for the job. We hope to make that decision easier for you in this guide as we look at some of the most popular FTP clients available and compare their features.

Selecting an FTP client can depend on many factors, especially since some only support basic FTP functionality and other clients may support additional protocols such as SFTP, SMB, AFP, DAV, SSH, FTPS, NFS, etc. Whatever your requirements may be, you’ll be able to make an informed decision after reading our breakdown of the different software.

In this tutorial you will learn:

  • How to install and use various FTP clients

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