How can I tell if the guest additions are installed on a virtualbox vm with no X. I'm having a problem mounting a shared directory and I'd like to rule out the possibility that the guest additions weren't installed.
migrated from serverfault.com Jul 27 '12 at 20:17
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If the extensions were installed using the Ubuntu package repositories (via
Feiticeir0's answer will also detect the kernel module (if it was installed manually).
You can check if the modules are present.
or you can search for these files
and see if you get any output...
You'll get an error if the module isn't present . Chances are VirtualBox additions are not installed..