Linux Mint 17.2 “Rafaela” Cinnamon and MATE ISO images. How to upgrade to Linux Mint 17.2 Rafaela (from Linux Mint 17.1 or Linux Mint 17).
You can upgrade from Linux Mint 17 Qiana or Linux Mint 17.1 Rebecca to Linux Mint 17.2 Rafaela. Follow the steps given below:
To upgrade, first backup to official sources. Run the following command:
$ sudo cp /etc/apt/sources.list.d/official-package-repositories.list{,.bak}
OR:
$ sudo cp /etc/apt/sources.list.d/official-package-repositories.list /etc/apt/sources.list.d/official-package-repositories.list.bak
Now run the following command to replace Mint Qiana with Mint Rebecca:
$ sudo sed -i 's/qiana/rafaela/g' /etc/apt/sources.list.d/official-package-repositories.list
$ sudo sed -i 's/rebecca/rafaela/g' /etc/apt/sources.list.d/official-package-repositories.list
Now update the local repository for the regular system upgrade by running the following command:
$ sudo apt-get update
$ sudo apt-get dist-upgrade
Revert or Downgrade The Linux Mint
If the upgrade process doesn’t goes right and something goes wrong, run the following commands to revert the changes:
$ sudo rm /etc/apt/sources.list.d/official-package-repositories.list
$ sudo mv /etc/apt/sources.list.d/official-package-repositories.list.bak /etc/apt/sources.list.d/official-package-repositories.list
$ sudo apt-get update
$ sudo apt-get dist-upgrade