>
> #A sudo vi /etc/apt/sources.list
>
> shows this:
>
> deb http://cdn-aws.deb.debian.org/debian stretch main
Lines beginning with "deb" are used for binary packages. For
"source" packages you need a "deb-src" prefix. Something like
this:
deb-src http://cdn-aws.deb.debian.org/debian stretch main
deb-src http://security.debian.org stretch/updates main
..
(Just add those, leave the binary-lines in-place.)
Steve
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