How to upgrade from Ubuntu 12.04 LTS to Ubuntu 14.04 LTS

Ubuntu 14.04 LTS (Trusty Tahr) is available to download as of today 04/17/2014. If you are using older version Ubuntu 13.10, Ubuntu 12.04 LTS or even older Ubuntu version, and you want to upgrade to the newer Version of Ubuntu 14.04 LTS. I’m going to show you how to upgrade from older Ubuntu release to Ubuntu 14.04 LTS in this article.

If you want to download and do fresh install Ubuntu 14.04 LTS, you can visit: http://www.ubuntu.com/download

Back up your data

Always backup your data regularly. You should not wait until you upgrade your system to newer Ubuntu release to backup your important data. Backup your data to an external hard drive, SAN (Storage area network), NAS (Network Attached Storage), or even USB flash drive. I highly recommened you to backup your data often, and backup before you do any major system upgrade.

Apply updates of current Ubuntu version

To prevent system crash, or newer Ubuntu verion breaks your current Ubuntu settings, check and apply all the updates of your current Ubuntu Version before upgrade your current Ubuntu version to the newer version.

To check and update your current Ubuntu version

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