If you are installing the Virtualbox Guest Additions package on a Linux Guest then you might end up with an error such as No support for OpenGL direct rendering as reported by one of our readers. This can be easily fixed by using an alternate command to install the Virtualbox Guest Additions instead of the one mentioned in Step no. 6 of our Virtualbox Guest Additions Installation Guide. The alternate command is:

In case you are facing any problems while installing the Virtual Box Guest Additions on a Linux guest then you must refer to our definitive Virtualbox Guest Additions Installation Guide.