Upgrade 16.04 to 18.04

[Andreas Hasenack]

Hello,

On Fri, May 1, 2020 at 7:35 PM Leroy Tennison <leroy at datavoiceint.com>
wrote:

> (I don't know what's wrong with my mail but I had to open an attachment to
> see your reply).  Thanks for getting back to me, ran 'apt-get install
> ca-certificates' and the reply was that it was already the latest version.
> Tried do-release-upgrade again - smae result.
>


which ca-certificates package do you have installed? Note that the one in
updates is higher than the one in security:

 ca-certificates | 20170717~16.04.1        | xenial-security  | source, all
 ca-certificates | 20170717~16.04.2        | xenial-updates   | source, all
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