sudo add-apt-repository ppa:elementary-os/daily

sudo apt-get update

sudo apt-get install marlin marlin-plugin-dropbox marlin-plugin-ubuntuone

sudo add-apt-repository ppa:marlin-devs/marlin-daily

sudo apt-get update

sudo apt-get install marlin

sudo apt-add-repository ppa:elementary-os/daily
sudo apt-get update
sudo apt-get install pantheon-files

sudo apt-get install pantheon-files-plugin-dropbox
sudo apt-get install pantheon-files-ubuntuone

sudo apt-add-repository ppa:elementary-os/daily
sudo apt-get update
sudo apt-get install pantheon-files

sudo apt-get install pantheon-files-plugin-dropbox
sudo apt-get install pantheon-files-ubuntuone