VirtualBox : Install GuestAdditions2025/08/07

	Install [GuestAdditions] into a Virtual Machine to improve Virtual Machine's System Performance. On the example below, it shows to install [GuestAdditions] on a Virtual Machine [CentOS_10].
[1]	Attach [GuestAdditions]' disk to the VM on VirtualBox Host. The target VM must be stopped.

[root@dlp ~]#

VBoxManage storageattach CentOS_10 \
--storagectl CentOS_10_SATA \
--port 0 \
--type dvddrive \
--medium /usr/share/virtualbox/VBoxGuestAdditions.iso

[2]	Start the VM and login to it, then Install [GuestAdditions] on it.

[root@guest ~]#

dnf -y install kernel-devel-$(uname -r) gcc gcc-c++ make bzip2 elfutils-libelf-devel

[root@guest ~]#

mount /dev/cdrom /mnt

[root@guest ~]#

cd /mnt

[root@guest mnt]#

./VBoxLinuxAdditions.run

Verifying archive integrity...  100%   MD5 checksums are OK. All good.
Uncompressing VirtualBox 7.1.12 Guest Additions for Linux  100%
VirtualBox Guest Additions installer
VirtualBox Guest Additions: Starting.
VirtualBox Guest Additions: Setting up modules
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel
modules.  This may take a while.
VirtualBox Guest Additions: To build modules for other installed kernels, run
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup <version>
VirtualBox Guest Additions: or
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup all
VirtualBox Guest Additions: Building the modules for kernel
6.12.0-116.el10.x86_64. Please install them and execute
.....
.....

[root@guest mnt]#

reboot

[3]	After installing [GuestAdditions], System Performance will be improved.

Matched Content