http://www.virtualbox.org/ http://download.virtualbox.org/virtualbox/4.2.6/VirtualBox-4.2.6-82870-Linux_amd64.run sh VirtualBox-4.2.6-82870-Linux_amd64.run && rm /etc/rc.d/rc*/*vboxdrv /etc/rc.d/rc*/*vboxweb-service ==== reinstalling the vboxdrv and vboxnetflt kernel modules ==== cd /opt/VirtualBox/src/vboxhost && make && make install ==== mounting a vdi ==== I have a dynamically expanding virtual hard disk (vdi).\\ Extract the real data: VBoxManage internalcommands converttoraw input.vdi output.raw Get the offset: sfdisk -luS output.raw Disk output.raw: cannot get geometry Disk output.raw: 1305 cylinders, 255 heads, 63 sectors/track Units = sectors of 512 bytes, counting from 0 Device Boot Start End #sectors Id System output.raw1 * 63 20948759 20948697 7 HPFS/NTFS output.raw2 0 - 0 0 Empty output.raw3 0 - 0 0 Empty output.raw4 0 - 0 0 Empty The offset is startsector * sectors size, in this case: 63 * 512 = 32256\\ I installed Windows XP to the virtual hard disk (vdi) , which uses NTFS as filesystem. mount -t ntfs -o ro,noatime,noexec,loop,offset=32256 output.raw /mnt/some_mount_point