libvirt and VirtualBox / Getting Started

api virtualization virtualbox libvirt
Marc Lucas picture Marc Lucas · May 6, 2010 · Viewed 11.1k times · Source

I'm trying to get started on libvirt with VirtualBox as a virtualization solution. I installed everything and VirtualBox itself is running when using their VBoxHeadless command. However, libvirt fails to connect to VirtualBox:

# virsh -c vbox:///session
libvir: error : could not connect to vbox:///session
error: failed to connect to the hypervisor

I could not find any hints in the libvirt documentation that point to whether I have to make any domain specific configuration before using virsh.

Does anyone have a hint? Or even better, maybe a tutorial that works through the way of using libvirt, virsh or it's APIs (my later goal) from the ground up.

Answer

brainsik picture brainsik · Jan 8, 2011

If you are doing this on Ubuntu, then the problem is their libvirt package is built without VirtualBox support.

You can rebuild the package with support very easily. Something like:

apt-get source -d libvirt
sudo apt-get build-dep libvirt
dpkg-source -x libvirt*dsc

Go into the libvirt directory and edit debian/rules so that instead of --without-vbox it says --with-vbox. You can add an entry to the top of debian/changelog so the package is compiled as a different version (e.g., append ~local1 to the version).

dpkg-buildpackage -us -uc -b -rfakeroot

You'll get new .debs built in the directory above. Use dpkg -i to install the relevant ones (libvirt0, libvirt0-bin, and whatever else you want).

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