I'm running Ubuntu 14.04 on VirtualBox 5.0.24 r108355.
I mount my folder with command:
mkdir my_folder
sudo mount -t vboxsf my_folder /home/user/my_folder
In VirtualBox settings (Devices->Shared fodlers->Shared folders settings) I have Auto-mount
and Make Permanent
folders checked.
When I close and reopen my VM shared folder is not mounted and I need to perform sudo mount -t vboxsf my_folder /home/user/my_folder
once more time.
So how to make shared folder mounting permanent?
sudo apt-get install virtualbox-guest-additions-iso virtualbox-guest-dkms virtualbox-guest-utils
.VirtualBox 5.0.24 r108355