From Mint 16 (Petra) to Mint 17 (Qinia): sudo sed -i 's/saucy/trusty/' /etc/apt/sources.list sudo sed -i 's/petra/qiana/' /etc/apt/sources.list sudo sed -i 's/saucy/trusty/' /etc/apt/sources.list.d/official-package-repositories.list sudo sed -i 's/petra/qiana/' /etc/apt/sources.list.d/official-package-repositories.list sudo apt-get update && sudo apt-get dist-upgrade sudo apt-get upgrade