Successfully installed VirtualBox Guest Additions on CentOS 7.0 on VirtualBox 4.3.18

I was unable to install Guest Additions on previous VirtualBox 4.3.16 on my CentOS 7. But now after I update my VirtualBox installation to version 4.3.18, the guest additions installed successfully without problems. If you facing the same problems with me, try to upgrade your VirtualBox to version 4.3.18 and reinstall the guest additions.

Steps to install Guest Additions on CentOS 7

A. Install required packages and tools

Execute the following commands on Terminal to install additional packages needed for the guest additions installation

yum groupinstall "Development Tools"
yum install kernel-devel

Now reboot CentOS 7

B. Install Guest Additions

Go to Devices | Install Guest Additions CD Image from your VirtualBox window. Then the CD image should be mounted automatically in CentOS virtual machine. Simply press Run and enter your root password

centos 7 guest additions 1

Or, we need to run it manually. Open Files and click the Guest Additions

centos 7 guest additions 2

Now click Run Software. Enter your root password and the installation will begin after that. Should be there are no errors and reboot your virtual machine when finished. After reboot, enjoy CentOS 7 with full features unlocked on VirtualBox. Enjoy.


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