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Key Concepts

VirtualBox default Host Key Settings

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1. Create a new VM with dynamic disk space
2. Download a Guest OS ISO image to a USB drive
3. Install the Guest OS from the USB for the VM
4. Open your VM settings and go to the Storage section. Select your virtual controller used for connecting a virtual DVD drive (by default a virtual DVD drive is empty). Click the Empty status and in the right pane near the IDE Secondary Master, click the disc icon. In the menu that appears, click Choose Virtual Optical Disk File and browse your Ubuntu installation ISO image file (ubuntu-18.04.2-desktop-amd64.iso)
5. Boot Ubuntu from the USB stick
6. Once the new VM is prepared for installing Ubuntu on VirtualBox, start the VM (Machine > Start). The VM boots from the ISO Ubuntu installation image. The first screen that you can see after booting is the Welcome screen.
7. click Install Ubuntu
8. select Normal installation. A web browser, utilities, office applications and media players are installed.
9. Erase disk and install Ubuntu. This is the default option. All disk space will be automatically allocated to Ubuntu.
10. Who are you? Enter your user name, computer’s name, and set the password. Select Require my password to log in for a higher level of security
11. When install complete, restart your VM with Ubuntu on VirtualBox.

Install Guest additions inside Guest OS

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installing Guest Additions for Ubuntu on VirtualBox.

1. After the operating system reboot, install VirtualBox Guest Additions, which is a set of drivers and system utilities intended to improve usability and VM performance as well as tight integration with a host OS
2. In the VM window, go to Devices and hit Insert Guest Additions CD image. The ISO disc image that is located in the VirtualBox installation directory will be inserted into a virtual CD/DVD drive of the VM. After that, you can see a CD shortcut on the Ubuntu Desktop. The ISO disk contains autorun, and the Guest Additions installer can be started automatically. Just hit the Run button to start installing VirtualBox Guest Additions.
3. If you get the warning message “Please install the gcc make perl packages”, it means that you have to install these packages first and then install VirtualBox Guest Additions.

4. execute the command:

   sudo apt-get install build-essential gcc make perl dkms

5. reboot your Ubuntu VM

6. Run the Linux installer of VirtualBox Guest Additions on your Ubuntu on VirtualBox manually:

   sudo ./VBoxLinuxAdditions.run

7. You can check only version of VirtualBox Guest Additions:

   lsmod | grep -io vboxguest | xargs modinfo | grep -iw version

Added Guest Additions Notes

https://linuxize.com/post/how-to-install-virtualbox-guest-additions-in-ubuntu/

vbox-guest-additions-ubuntu-tutorial-2020-linuxize-How to Install VirtualBox Guest Additions on Ubuntu 1804.pdf

VirtualBox provides a set of drivers and applications (VirtualBox Guest Additions) which can be installed in the guest operating system. The Guest Additions offer several useful functionalities for guest machines such as shared folders, shared clipboard, mouse pointer integration, better video support, and more.

In this tutorial, we will show you how to install VirtualBox Guest Additions on Ubuntu 18.04 guests. The same instructions apply for Ubuntu 16.04 and any Ubuntu-based distribution, including Linux Mint and Elementary OS.

How to Use VirtualBox: Quick Overview

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