insert guest additions CD image using Devices menu option
should autorun
shut down guest. then add shared folder in settings. tick automount.
restart guest.
shared folder will show in /media/sf_blahblah
need to add permissions
sudo adduser xxxxxxx vboxsf
log off, log on. should be able to access now
ubuntu 12.05 server
insert guest additions.iso using Devices menu option
restart(?)
sudo mount /dev/cdrom /media/cdrom
ls /media/cdrom
sudo apt-get install -y dkms build-essential linux-headers-generic linux-headers-$(uname -r)
sudo /media/cdrom/VBoxLinuxAdditions.run
add permissions as above for ubuntu desktop
=-=-=-=-ubuntu desktop 14.04
https://www.virtualbox.org/manual/ch04.html#sharedfolders
http://ubuntuforums.org/showthread.php?t=2083709
ubuntu 12.05 server
http://en.ig.ma/notebook/2012/virtualbox-guest-additions-on-ubuntu-server