I’m : a web and mobile developer based in the Australia.


Ubuntu is a Debian base Linux distribution with backing from Mark Shuttleworth via Canonical Ltd.

Upgrade to the last version:

    sudo apt-get install update-manager-core
    sudo do-release-upgrade

General system updates are handled with:

    sudo apt-get update
    sudo apt-get upgrade

But if when doing the updates you ever received a message stating "The following packages have been kept back" you'll need to issue the following (thanks to

    sudo apt-get dist-upgrade


If you're on Telstra then edit /etc/apt/sources.list with with the result that anything from there won't count against your cap.