problem upgrading 13.04 to 14.04

[Liam Proven]

On 18 February 2015 at 13:01, Bernard <bdebreil at teaser.fr> wrote:
> Hi to Everyone,
>
> I have seen docs to either carry a direct upgrade or do it in two steps,
> first 13.04 to 13.10 then 13.10 to 14.04. Problem is: it seems that I can't
> update my /etc/apt/sources.list using the address below, since it says it is
> restricted and that errors have occured:


You shouldn't be doing it by hand at all.

That's the Debian way. Ubuntu is not Debian.

Use the `do-release-upgrade` method, as documented all over the web,
and do not attempt to do it "by hand" with apt-get.

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