Para instalar o super-boot-manager
no Ubuntu 14.04, execute os comandos abaixo no terminal
sudo add-apt-repository ppa:ingalex/super-boot-manager
sudo sh -c "sed -i 's/trusty/raring/g' /etc/apt/sources.list.d/ingalex-super-boot-manager-trusty.list"
sudo apt-get update
sudo apt-get install super-boot-manager
sudo apt-get install -f
Por fim, execute-o,
super-boot-manager