Ubuntu mount a VirtualBox folder on startup

Mount a shared VirtualBox folder on startup in Ubuntu.

sudo vim /etc/rc.local

sharename="MySharedFolder"
sudo mount -t vboxsf -o uid=1000,gid=1000 $sharename /mnt/$sharename

Type mount to view the mount at /mnt/MySharedFolder.

Hint: don't use rc.local for gui applications on startup