I did it and the VirtualBox Guest Additions installation started in a new shell window: Installation of VirtualBox Guest Additions startsīut after a few seconds I get the dreaded “Kernel headers not found error for target kernel” error message: Kernel headers not found error I clicked the “Run” button and I was asked by the system to authenticate to execute the software as super user: Authentication required Oracle Linux recognised the CD and asked me the permission to start the software it contained: Start software Devices > Insert Guest Additions CD image I was already connected to the VM as oracle so I selected the “Devices > Insert Guest Additions CD image…” VirtualBox menu. So let’s see how to do it with an Oracle Linux 8.5 guest VM. It is therefore a good idea to install them after a fresh installation of an operating system in a VM. VirtualBox Guest Additions are not mandatory in order to use a Virtual Machine but they allow a smooth integration of the mouse, keyboard and to copy/paste text for instance between the host and guest systems. We are now going to see how to install the VirtualBox Guest Additions in order to allow a smooth integration with the host computer. So if you have Virtualbox 4.2.10, you can only install the 4.2.10 of the Extension Pack.Īfter this, Virtualbox should notify you when there is a new update, either by doing an update of the system with the Update Manager or by opening Virtualbox when there is an update available.In the previous posts we saw how to install Oracle Linux 8.5 in a VirtualBox VM and the end user initial setup after the first connection. I should mention that you can only install the Extension Pack to the same version of Virtualbox. You can also find the latest Extension Pack in: Īfter you download the newest Virtualbox version, simply double click on it and the Ubuntu Software Center will take care of everything else. It should show the versions of Ubuntu like in the following image: You can find the latest Virtualbox version for Ubuntu in: Now, in the case you have some update problems with Virtualbox, the easiest solution I have found is to download the latest version from the original site. Note that the extension pack is needed if you want proper support for sharing between host and guest, 3D support, USB support and much more. You will immediately get a notification that there is an update for virtualbox or there is an update for the Extension Pack. The pack will only update when you open Virtualbox. This however, will not get you the updated Virtualbox Extension Pack.
This should get you the latest version of Virtualbox. You can also get the same effect by doing it via the terminal: When you do a system update with the update manager, the Virtualbox update should appear.
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