Virtualbox 5.1.20 Released, Install on Ubuntu 16.04, 16.10, 17.04

    VirtualBox is a general-purpose full virtualizer for x86 hardware, targeted at server, desktop and embedded use.Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2.

Virtualbox 5.1.20 Changelog:

•     GUI: don't check if the Extension Pack is up-to-date if the user is about to install a new Extension Pack
•     GUI: fixed a possible crash when switching a multi-monitor VM into full-screen or seamless mode
•     GUI: fixed non-literal shortcuts if the keyboard is not captured (5.1.10 regression; Windows hosts only)
•     GUI: several mini-toolbar fixes in full-screen / seamless mode (X11 hosts only)
•     GUI: don't crash on restoring defaults in the appliance import dialog
•     Windows Additions: another fix for automatic logins for Windows Vista and newer
•     ICH9: fix for Windows guests with a huge amount (>64G) of guest memory
•     BIOS: fixed El Torito hard disk emulation geometry calculation

Install VirtualBox 5.1.20 on Ubuntu

Open terminal and insert command line...

Install on Ubuntu 17.04 Yakkety

$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian zesty contrib" >> /etc/apt/sources.list.d/virtualbox.list' $ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc | sudo apt-key add - $ sudo apt-get update $ sudo apt-get install virtualbox-5.1

 
Install on Ubuntu 16.10 Yakkety

$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian yakkety contrib" >> /etc/apt/sources.list.d/virtualbox.list' $ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc | sudo apt-key add - $ sudo apt-get update $ sudo apt-get install virtualbox-5.1

Install on Ubuntu 16.04 Xenial

$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian xenial contrib" >> /etc/apt/sources.list.d/virtualbox.list' $ wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc | sudo apt-key add - $ sudo apt-get update $ sudo apt-get install virtualbox-5.1