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What is the simplest way for me to upgrade from Quantal to Saucy?

What I tried:

$ sudo do-release-upgrade

What it returned:

Checking for a new Ubuntu release Get:1 Upgrade tool signature [198 B]
Get:2 Upgrade tool [1,135 kB]
Fetched 1,135 kB in 0s (0 B/s)
authenticate 'saucy.tar.gz' against 'saucy.tar.gz.gpg' extracting 'saucy.tar.gz'

Reading cache

Checking package manager

Can not upgrade

An upgrade from 'quantal' to 'saucy' is not supported with this tool.

share|improve this question
Have you edited your sources.list file? You can not directly upgrade from Quantal to Saucy, you first need to upgrade to Raring. –  xangua Jan 3 at 17:26

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