Monday, June 13, 2011

Access shared host folders in a VirtualBox Ubuntu guest

  • Install VirtualBox Guest Additions.
  • Set up a shared host folder using VirtualBox.

Make sure Auto-Mount is off otherwise when mounting the shared folder after restarting the guest next time, we'll get this error:-
mount.vboxsf: mounting failed with the error: Invalid argument.
It seems it's caused by the shared folder has already been mounted to "/media/sf_mydata" which only allows "admin" to access.
  • In the Ubuntu guest, use Terminal to run the following commands:-
sudo mkdir /mnt/mydata
sudo mount -t vboxsf mydata /mnt/mydata
ln -s /mnt/mydata $HOME/Desktop/mydata
  • To auto-mount the shared folder,
gksudo gedit /etc/fstab
Then add the following line:-
mydata /mnt/mydata vboxsf defaults 0 0

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