Am Tue, 24 May 2016 00:42:55 +0000
schrieb Adam Borowski <kilobyte@???:

> update-alternatives --config x-session-manager

That's it!! :)

Now, there remains the question:

How can i add JWM to the recognized sessions?f 'update-alternatives
--config x-session-manager' only sees lxsession, startlxde and openbox
but not JWM.