Linux mint Petra upgrade to mint Qianna

This article describes how to upgrade an existing Linux Mint 16 to mint 17.

Note: If conditions permit, it is best to reinstall Mint.

Open the command line and enter the following four commands.

$ 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

The four commands change the source of the software from saucy to trusty, and from Petra to Qiana.

Then enter the following command to upgrade the system:

The next step is the time to upgrade, depending on the hardware and network speed of the computer itself.

Restart when the upgrade is complete.