About xnest mysteries and mdm
Using mdm with the stable lmde64 release. This release works too well, it's even suspicious.
I have now automatic login and even automatic login for Synaptic (see upper right screenshot). However the upper left screenshot indicates that mdm is badly configured to use "nested" window managers. As the package xnest is installed, I suppose it's true.
I discovered this new (for me) submenu in System tools: "nouvelle connexion dans une fenêtre" (new connection in a window). This seems very clever but I do not know how to use it. Is there any expert nearby willing to share his knowledge about it?