Before updating ubuntu 8 04
Please be sure you want to change away from a LTS release before following the guide.
Fore more details on keeping you Ubuntu System up to date, see How to Upgrade Ubuntu From the Command Line.
Before any system upgrades are carried out, we always recommend that you backup your files and folders and move it to a secure external location.
To achieve this, install Duplicity, a backup tool that allows you to backup directories by producing encrypted tar-format volumes and uploading them to a remote or local file server.
This guide explains how to upgrade your Linode from Ubuntu 14.04 (Trusty Tahr) to Ubuntu 16.04 (Xenial Xerus).
The upgrade may be incomplete or your system may be corrupted if your internet connection is interrupted.
Use Lish or Glish to perform this upgrade in a stable environment that does not rely on an active internet connection to your Linode.
Since we are upgrading from an LTS to a non LTS instance, we need change settings so we get automatic notification.Note, we are bypassing this safety feature in order to install 17.04.Follow the steps below: After the first upgrade is completed, you will be prompted to restart the system.Go ahead and reboot the machine, and then log back in.
Next run the same upgrade command to upgrade this time to Ubuntu 17.04: This article will get you started with upgrading to Ubuntu 17.04.I have been using Ubuntu since Ubuntu 5.04 was released and have never had an upgrade work.I don't install anything outside of the official repos and I use the recommended upgrade methods.That way, you can restore from backup if anything goes wrong during the upgrade process.