This article will describe installing Guest Additions.
Table of Contents
1 Install build dependencies for Guest Additions
Install kernel header and build dependencies for kernel.
$ sudo apt install -y linux-headers-amd64 $ sudo apt build-dep -y linux
2 Mount Guest Additions CD image
Insert iso file of VirtualBox Guest Additions from window menu of VirtualBox.
Devices -> Insert Guest Additions CD image
If an automount is running, an automount will mount CD image to /media/<username>/<virtualbox> automatically. If an automount is not running, mount CD image manually.
sudo mount -t iso9660 /dev/sr0 /media/cdrom
3 Build Guest Additions
Run VBoxLinuxAdditions.run.
$ cd /media/cdrom $ sudo sh ./VBoxLinuxAdditions.run Verifying archive integrity... All good. Uncompressing VirtualBox 5.0.40 Guest Additions for Linux............ VirtualBox Guest Additions installer Removing installed version 5.0.40 of VirtualBox Guest Additions... Removing existing VirtualBox non-DKMS kernel modules ...done. update-initramfs: Generating /boot/initrd.img-4.9.0-3-amd64 Copying additional installer modules ... Installing additional modules ... Removing existing VirtualBox non-DKMS kernel modules ...done. Building the VirtualBox Guest Additions kernel modules The headers for the current running kernel were not found. If the following module compilation fails then this could be the reason. Building the main Guest Additions module ...done. Building the shared folder support module ...done. Building the graphics driver module ...done. update-initramfs: Generating /boot/initrd.img-4.9.0-3-amd64 Doing non-kernel setup of the Guest Additions ...done. Starting the VirtualBox Guest AdditionsInstalling the Window System drivers ...done. Installing graphics libraries and desktop services components ...done. ...done.
Reboot virtual machine.
$ sudo reboot
4 Execution result
Check whether driver which has a vbox prefix is loaded.
$ lsmod | grep vbox vboxsf 45056 0 vboxvideo 49152 2 ttm 98304 1 vboxvideo drm_kms_helper 139264 1 vboxvideo drm 360448 5 ttm,drm_kms_helper,vboxvideo syscopyarea 16384 2 drm_kms_helper,vboxvideo sysfillrect 16384 2 drm_kms_helper,vboxvideo sysimgblt 16384 2 drm_kms_helper,vboxvideo vboxguest 282624 8 vboxsf,vboxvideo
Display resolution supports all size. When you change VirtualBox window size, a resolution will be chagned automatically.