VirtualBox

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Glossary of Terms

Host O/S: system running on computer you are actually on;
Guest O/S: system installed within VirtualBox;
Guest Additions: drivers for the Guest O/S.

Binary VirtualBox

VirtualBox is also available as a binary package. If you wish to use the binary version see:

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The binary package contains extensions which are not available with the source package.

Installation

root # echo "app-emulation/virtualbox-extpack-oracle PUEL" >> /etc/portage/package.license/virtualbox
root # emerge app-emulation/virtualbox

Installation of app-emulation/virtualbox implies app-emulation/virtualbox-extpack-oracle.

Guest Additions

Make sure that user running X session belongs to vboxguest group. Create group when it does not exist. Add user to the group. That will enable :

Shared clipboard;
Display resizing;
Seamless mode;
Drag & Drop.

root # groupadd vboxguest
root # gpasswd -a ''user'' vboxguest

Windows Guests

You must enable additions USE flag when you intend to install Windows as a guest O/S. That will also install the ISO image containing all necessary Windows guest drivrers.

Linux Guests

If you want to run Funtoo GNU/Linux as a guest O/S, emerge app-emulation/virtualbox-guest-additions in the Funtoo GNU/Linux guest O/S. For other GNU/Linux, please refer to VirtualBox documentation.

Post Installation

You will not be able to run and use VirtualBox as a regular user if you are not a member of the vboxusers group.

root # gpasswd -a ''user'' vboxusers

You must re-log so changes take effect.

Loading Modules

Required and optional modules must be loaded before launching VirtualBox. You can do that as root or upon boot.

Note

vboxnetadp and vboxnetflt are optional.

As root

root # modprobe vboxdrv
root # modprobe vboxnetadp
root # modprobe vboxnetflt

Upon boot OpenRC

Edit /etc/conf.d/modules :

modules="vboxdrv vboxnetadp vboxnetflt"

Upon boot systemd

root # echo 'vboxdrv' >> /etc/modules-load.d/virtualbox.conf
root # echo 'vboxnetadp' >> /etc/modules-load.d/virtualbox.conf
root # echo 'vboxnetflt' >> /etc/modules-load.d/virtualbox.conf

Kernel Driver

Each time a new kernel is installed, vboxdrv kernel module must be recompiled. To ensure Portage knows about that, look at /var/lib/module-rebuild/moduledb. The following record must be present.

a:1:app-emulation/virtualbox-modules-''version''

Running emerge @module-rebuild will recompile VirtualBox driver after installation of new kernel.

It is strongly recommended to install sys-kernel/dkms. This package keeps track of Linux kernel changes. It recompiles vboxdrv if necessary.

Package:VirtualBox