If you had not run the command mentioned previously to install the required packages as mentioned above, the result window will look similar to the image below and also have the following warning. You may also be presented with the option to run the CD, click Run to execute the installation script. This should mount the guest additions automatically and you should see the mounted drive (VBOX_GAs_x.x.x) show up on your desktop similar to the image below. Once you have installed the above requirements, the Devices menu in your virtual machine and select “Insert Guest Additions CD Image…” as shown in the image below. sudo apt install linux-headers-$(uname -r) build-essential dkms Once the Ubuntu installation is complete, open a terminal window and run the command below to install the Linux headers for your kernel, build-essential and DKMS ( Dynamic Kernel Module Support). Installing VirtualBox Guest Additions on Ubuntu Desktop 18.04 I cannot stress how important this step is so before you begin make sure you visit the VirtualBox Download page and install the latest application version for your host. So lets get started… First… Grab the Latest VirtualBox In the example created I am running Ubuntu Desktop 18.04 LTS on a Microsoft Windows 10 Host with VirtualBox version 5.2.12. You can find more detailed information at Guest Additions Introduction. Generic host/guest communication channels.Some of the features VirtualBox Guest Additions provides are: “Guest Additions” provides features that will help with improving the guest operating system as well as with the guest interacting with the host operating system.

If you are using Ubuntu on a virtual machine created with Oracle VirtualBox, one of the very first things you would want to do right after installing the OS is to install the VirtualBox Guest Additions.

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