sudo cp /etc/apt/sources.list /etc/apt/sources.list.focal sudo sed -i "s/focal/jammy/g" /etc/apt/sources.list sudo apt-get update sudo apt-get upgrade -y sudo apt-get dist-upgrade -y sudo apt-get dist-upgrade -y sudo apt-get autoremove -y sudo apt-get clean -y echo "Reboot to ensure system stability." lsb_release --all