Ubuntu

#disable guest
sudo gedit etc/lightdm/lightdm.conf

[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
allow-guest=false

#google chrome
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
sudo apt-get update
sudo apt-get install google-chrome-stable

#Playonlinux
To get the latest developement version, open a terminal and type:
git clone https://github.com/PlayOnLinux/POL-POM-4

*Precise
wget -q "http://deb.playonlinux.com/public.gpg" -O- | sudo apt-key add -
sudo wget http://deb.playonlinux.com/playonlinux_precise.list -O /etc/apt/sources.list.d/playonlinux.list
sudo apt-get update
sudo apt-get install playonlinux

*playonlinux if error
sudo apt-get install curl

#If No Sound
sudo killall pulseaudio
sudo alsa force-reload
pavucontrol

#gnome
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt-get update
sudo apt-get install gnome-shell
sudo apt-get install gnome-tweak-tool

#mount share folder
*bikin folder
sudo mkdir /media/namafolderbebas

*mount folder
sudo mount -t vboxsf SHARENAME /media/namafolderyangdibuatbarusan