(Solved) Upgrading From 14.04 LTS to 15.04?

[wolfman]

Hi,

you cannot skip versions unless they are both LTS!, please read this:

How to upgrade Ubuntu (Mate) via the terminal

Hi all, this is for anyone who wants to use the terminal to fully update their current installed OS to the next available version, you just need to follow the next few steps and you can update directly without using the on-board update tool (Software Updater). First, make sure that your current software sources are set to your liking, making sure that the "Canonical" repositories are also active if you wish to also update any non-free software you might have installed such as Skype. Make sure…