ubuntu12.04 使用 virtualBox

1 download virtualBox;

2 For Ubuntu,we need to install DKMS;

    Introduction to DKMS:http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support

3 install the deb packge;

 sudo dpkg -i virtualbox-4.1_4.1.14-77440~Ubuntu~precise_i386.deb
(Reading database ... 191170 files and directories currently installed.)
Preparing to replace virtualbox-4.1 4.1.14-77440~Ubuntu~precise (using virtualbox-4.1_4.1.14-77440~Ubuntu~precise_i386.deb) ...
 * Stopping VirtualBox kernel modules                                    [ OK ]
Unpacking replacement virtualbox-4.1 ...
Setting up virtualbox-4.1 (4.1.14-77440~Ubuntu~precise) ...
addgroup: The group `vboxusers' already exists as a system group. Exiting.
 * Stopping VirtualBox kernel modules                                    [ OK ]
 * Uninstalling old VirtualBox DKMS kernel modules                       [ OK ]
 * Removing old VirtualBox pci kernel module                             [ OK ]
 * Trying to register the VirtualBox kernel modules using DKMS                  
                                                                         [ OK ]
 * Starting VirtualBox kernel modules                                    [ OK ]
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
Processing triggers for shared-mime-info ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for gnome-menus ...
Processing triggers for hicolor-icon-theme ...

4 authorize USB access;

  sudo usermod -a -G vboxusers <usrname>

  logout or restart.

5 Done!