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VirtualBox Debian 7 "Wheezy".

VirtualBox 4.1.18 is packaged for Debian 7 "Wheezy".
  1. Install the relevant linux-headers and virtualbox packages:
    # apt-get install linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') virtualbox
VirtualBox can now be started. To not load the VirtualBox modules at system startup, edit /etc/default/virtualbox and set LOAD_VBOXDRV_MODULE to 0.

Debian 7 "Wheezy" Backports

VirtualBox 4.3.14 is packaged for Debian 7 "Wheezy" via wheezy-backports.
The virtualbox-* packages were moved to contrib at VirtualBox 4.2, as a non-free compiler (Open Watcom) is required to build the BIOS.
  1. Add Debian Backports sources to /etc/apt/sources.list, also including the "contrib" component. For example:
    # Backported packages for Debian 7 "Wheezy"
    deb http://http.debian.net/debian/ wheezy-backports main contrib
  2. Update the list of available packages:
    # apt-get update
  3. Install the relevant linux-headers package for your system, for example:
    # apt-get install linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,')
  4. Install the wheezy-backports/virtualbox package:
    # apt-get -t wheezy-backports install virtualbox
    This will also install wheezy-backports/virtualbox-dkms and other recommended packages. DKMS will build the VirtualBox modules for your system.
VirtualBox can now be started. To not load the VirtualBox modules at system startup, edit /etc/default/virtualbox and set LOAD_VBOXDRV_MODULE to 0.

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