Install Cairo Dock onto Blankon 4.0

1. You need to download signed GPG key for identification and the repository is:
wget -q http://repository.cairo-dock.org/ubuntu/cairo-dock.gpg -O- | sudo apt-key add -

2. Add the Cairo-Dock repository to your sources. Open the sources.list file:
sudo gedit /etc/apt/sources.list
then add this line below at the end of file :
deb http://repository.cairo-dock.org/ubuntu intrepid cairo-dock
save your sources.list

3, update your repository and install the cairo dock from your terminal
sudo apt-get update
sudo apt-get install cairo-dock cairo-dock-plug-ins




Enjoy your nice view...!