This installation process is run on ubuntu 12.04 precise pangolin
- Open terminal by press key Ctrl+Alt+T
- Type/copy these following command respectively in the terminal
$ echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib" | sudo tee /etc/apt/sources.list.d/virtualbox.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-4.2
- Now we have virtual box version 4.2 installed in our Ubuntu
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