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The VirtualBox Guest Additions for all supported guest operating systems are provided as a single CD-ROM image file which is called VBoxGuestAdditions.iso. This image file is located in the installation directory of VirtualBox. To install the Guest Additions for a particular VM, you mount this ISO file in your VM as a virtual CD-ROM and install from there.

Requirements

For your convenience, we provide the following step-by-step instructions for freshly installed copies of recent versions of the most popular Linux distributions. After these preparational steps, you can execute the VirtualBox Guest Additions installer as described above. Ubuntu

1.In order to fully update your guest system, open a terminal and run

apt-get update

as root followed by

apt-get upgrade

2.DKMS using

apt-get install dkms

3.Reboot your guest system in order to activate the updates and then proceed as described above.

Fedora

1.In order to fully update your guest system, open a terminal and run yum update as root.

2.Install DKMS and the GNU C compiler using

yum install dkms

followed by

yum install gcc

3.Reboot your guest system in order to activate the updates and then proceed as described above.

Virtualbox-guest-additions