Martin Gregorie  wrote:
> One point that those who suggested that the Raspbian installed packages
> list by running an apt utility or scraping the apt history log may have
> missed: your additional packages will available after a clean install or
> if your SD card gets corrupted.
>
> So, to avoid losing this the packages list , you need to recreate it each
> time you install another package and make sure that the updated package
> list gets included in your regular backups.

I did not miss that point because the point of this thread was how to
upgrade from jessie to stretch, not how to recreate your install after a
system crash.

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