Am 2017-12-19 19:00, schrieb info at smallinnovations dot nl:

> Hopefully this link can help you further
> https://ownyourbits.com/2017/04/05/customize-your-motd-login-message-in-debian-and-ubuntu/
>

I already tried all these hints, google find's a lot of them, but no one
worked.
I solved it the following way: installed Raspbian Jessie, then migrated
to Devuan Jessie. Now dynamic motd works like it should. The Devuan
Raspberry Image is broken in some way.

Jochen