Like many of you, I’ve installed my share of Virtualbox instances.
And there always come a dreaded moment: the one when you install the Guest Additions. It can fail for many reasons, sometimes with a misleading message.
Here are the reasons I’ve come to identify when installing a GNU/Linux guest.
Media locked Execution denied Missing kernel headers Missing packages Kernel headers mismatch Out-of-date Virtualbox version It all starts here in any case: (…)