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Old 03-03-2019, 12:15 PM   #1
Astral Axiom
Registered: Feb 2018
Location: Asheville, NC
Distribution: Ubuntu, Arch, Centos, Debian, Kali
Posts: 47

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virtualbox is installed along with virtualbox-dkms and virtualbox-ext-pack and linux-headers-generic, but error for no /dev/vboxdrv

I am trying to run a virtualbox image with the "vagrant up" command and I get this:
$ vagrant up
VirtualBox is complaining that the installation is incomplete. Please                                                           
run `VBoxManage --version` to see the error message which should contain                                                        
instructions on how to fix this error.
and then
$ VBoxManage --version                        
WARNING: The character device /dev/vboxdrv does not exist.
         Please install the virtualbox-dkms package and the appropriate
         headers, most likely linux-headers-generic.

         You will not be able to start VMs until this problem is fixed. 5.2.18_Ubuntur123745
The virtualbox-dkms package and linux-headers-generic were installed automatically so they are installed. I have also installed virtualbox-ext-pack and it is enabled in VirtualBox's preferences -> extensions.

I am doing this on KDE-Neon.

just to clarify, vagrant is working fine my issue is VirtualBox, which I installed from Ubuntu repository with apt.


Last edited by Astral Axiom; 03-03-2019 at 12:43 PM. Reason: add info for clarity
Old 03-03-2019, 05:51 PM   #2
LQ Guru
Registered: Sep 2013
Location: Somewhere in my head.
Distribution: Slackware (15 current), Slack15, Ubuntu studio, MX Linux, FreeBSD 13.1, WIn10
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did you reboot before you tried using it, and add yourself to the group I think it is vboxuser or someting like that.
cat /etc/group
you should see it, (on the bottom).
Old 03-04-2019, 08:09 PM   #3
Astral Axiom
Registered: Feb 2018
Location: Asheville, NC
Distribution: Ubuntu, Arch, Centos, Debian, Kali
Posts: 47

Original Poster
Rep: Reputation: Disabled
Thanks BW-userx, it actually turned out to be a secure boot issue. I have always gotten away with keeping it enabled on my Ubuntu based KDE-Neon installation, but apparently it really does cause an issue once VirtualBox is installed. That is why I never have that problem on my laptop, since with Arch Linux one must disable secure boot anyway, unless one wishes to deal with self signing new keys after every kernel update, which is like once a month, and I do not even know how to do that yet. I only wanted it enabled on my desktop because it is dual booted with Windows, even though I only boot Windows once every few months to keep it updated or update my Garmin gps. I just don't know how secure running Windows without secure boot is, not that Linux is impervious but probably not as big a threat to run without secure boot enabled.

Last edited by Astral Axiom; 03-04-2019 at 08:11 PM. Reason: spelling error


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