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It is very important that the version of the guest additions installed on the virtual machine matches the version of the VirtualBox application. If they are not the same shared folders & screen resizing may not work correctly, even if a version of guest additions is installed. In which case, re-install following the instructions below. |
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To install or re-install guest additions follow these instructions.
Check guest additions are installed
To check if guest additions is already installed run the following command:
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lsmod | grep -i vbox |
if you see the following output (or similar), then the Guest Additions software is installed.
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vboxsf 47936 0
vboxvideo 12669 1
vboxguest 293037 6 vboxsf
drm 335594 3 vboxvideo |
If shared folders and automatic resizing of the screen are not working, then try re-installing following the instructions below.
Install steps
These steps use the Mac OSX version of VirtualBox. Other systems may be slightly different.
- Start up the virtual machine (VM) and let it start up fully.
- With the VM the active window, select the 'Devices' menu and the 'Install guest additions CD image..'
Adjusting the screen size
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