VirtualBox is a popular open-source virtualization software that allows users to run multiple guest operating systems on a single host. If you’re using Fedora as a guest operating system on VirtualBox, installing the VirtualBox Guest Additions can enhance your virtual machine’s performance and usability. The Guest Additions package includes drivers and utilities that enable seamless integration between the host and guest systems, such as shared folders, clipboard sharing, and improved graphics performance. To install VirtualBox Guest Additions in Fedora, first, make sure that you have the latest updates and kernel headers installed. Then, mount the Guest Additions ISO image, run the installer as root, and reboot the virtual machine. After the installation, you can enjoy the full functionality of VirtualBox and improve your virtual machine’s performance and usability.
Step 1: Install Kernel Headers and Build Tools
$ sudo dnf install dkms kernel-devel gcc bzip2 make curl
To check the version of the Linux kernel run the command.
$ uname -r
OR
$ hostnamectl | grep -i kernel
To check the version of the kernel development tool (kernel-devel) execute.
$ sudo rpm -qa kernel-devel
Verify Linux Kernel Headers
If the versions of the two (kernel version and kernel-devel) do not match as shown in the screenshot above, update the kernel using the command.
$ sudo dnf update kernel-*
When you are done updating the kernel, reboot the system, and again, verify the kernel version again.
$ uname -r
Step 2: Install VirtualBox Guest Additions in Fedora
To install guest additions, navigate to Devices –> Insert Guest Additions CD image.
Step 3: Mount CDROM in Linux
mkdir /mnt/cdrom
mount /dev/cdrom /mnt/cdrom
cd /mnt
./VBoxLinuxAdditions.run
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