Ubuntu upgrade from 14.04 to 16.04

To upgrade from Ubuntu 14.04 to 16.04, you can use the ubuntu tool update-manager. This tool make a clean upgrade from the system.

Please before update your system.

sudo apt-get update

sudo apt-get dist-upgrade

If you are done with the upgrade, install the update-manager-core.

sudo apt-get install update-manager-core

Now upgrade to the new ubuntu release.

sudo do-release-upgrade -d