Hello Linux Geeksters. As you may know, Virtualbox is an free , multi-platform virtualization software created by Oracle, being popular on Linux, Windows and Mac OS X. The latest version available is Virtualbox 4.3.12, which has been recently released. For information about this release, see the changelog.

In this article I will show you how to install Virtualbox 4.3.12 on Ubuntu 14.04 Trusty Tahr, Ubuntu 13.10 Saucy Salamander, Ubuntu 12.04 Precise Pangolin, Linux Mint 17 Qiana, Linux Mint 16 Petra, Linux Mint 13 Maya, Elementary OS 0.3 Isis, Elementary OS 0.2 Luna, Pinguy OS 14.04, Pinguy OS 12.04, Debian Wheezy, OpenSUSE 13.1 and OpenSUSE 12.3.
Follow the instructions for your system exactly, in order to get a successful installation.
How to install Virtualbox 4.3.12 on Ubuntu 14.04, Pinguy OS 14.04, Linux Mint 17 and Elementary OS 0.3:
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian trusty contrib" >> /etc/apt/sources.list'
$ wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo apt-get install virtualbox-dkms
How to install Virtualbox 4.3.12 on Ubuntu 13.10 and Linux Mint 16:
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian saucy contrib" >> /etc/apt/sources.list'
$ wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo apt-get install virtualbox-dkms
How to install Virtualbox 4.3.12 on Ubuntu 12.04, Linux Mint 13, Pinguy OS 12.04 and Elementary OS 0.2 :
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian precise contrib" >> /etc/apt/sources.list'
$ wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo apt-get install virtualbox-dkms
How to install Virtualbox 4.3.12 on Debian Wheezy:
$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian wheezy contrib" >> /etc/apt/sources.list'
$ wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo apt-get install virtualbox-dkms
How to install Virtualbox 4.3.12 on OpenSUSE 13.1 and OpenSUSE 12.3:
$ cd /etc/zypp/repos.d/
$ sudo wget http://download.virtualbox.org/virtualbox/rpm/opensuse/12.3/virtualbox.repo
$ sudo zypper refresh
$ sudo zypper virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo zypper install virtualbox-dkms
How to install Virtualbox 4.3.12 on Fedora 20 and Fedora 19:
$ cd /etc/yum.repos.d/
$ sudo wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo
$ sudo yum update
$ sudo yum install virtualbox-4.3
Also, install the virtual-dkms package, so virtualbox does not messed up, after a kernel upgrade:
$ sudo yum install virtualbox-dkms