Ubuntu 16.04 (Xerial Xerus) Long Term Support upgrade

has been officially released and many users are already eager to find out more about the changes and new features it has come with. This can only be done by doing a fresh install or upgrading from your old version of Ubuntu Linux.

In this article, we shall look at a step by step guide to upgrading your Ubuntu 14.04 LTS to Ubuntu 16.04 LTS.

sudo apt-get update && sudo apt-get dist-upgrade

Then reboot your system to finish installing updates.

sudo init 6

First, install the update-manager-core package using the command below that is if it is not yet installed on your server:

sudo apt-get install update-manager-core

After that, edit this file, /etc/update-manager/release-upgrades using your favorite editor and set Prompt=ltsas in the output below:

sudo vi /etc/update-manager/release-upgrades

Configure-Ubuntu-Upgrade-Manager

Next, start the upgrade process as follows:

sudo do-release-upgrade -d

Ubuntu-14.04-Upgrade-Process

Then, enter 'y' for yes and hit the [Enter] to start the upgrade process in the output below:

Ubuntu-14.04-Upgrading

As the upgrade process goes on, you will have to restart certain services on your system as in the output below, hit yes and continue.

Configure-Services-During-Ubuntu-Upgrade

You will be prompted to remove obsolete packages and just enter 'y' and after the upgrade process is complete, restart your server using the command below:

sudo init 6

Now your system has been upgraded to Ubuntu 16.04 (Xerial Xerus) LTS.