Replying to myself, this is the working solution. It is not that pretty, but has the advantage to be easily compatible each time GNOME will change the way it handles configuration files.
---/usr/local/etc/gnome3-user-settings--- #! /bin/bash gsettings set org.gnome.nautilus.desktop volumes-visible true gsettings set org.gnome.desktop.background show-desktop-icons true gsettings set org.gnome.desktop.background picture-uri '' gsettings set org.gnome.desktop.background primary-color '#000000' gsettings set org.gnome.desktop.background secondary-color '#000000' gsettings set org.gnome.desktop.wm.preferences focus-mode 'sloppy' gsettings set org.gnome.desktop.wm.preferences raise-on-click false gsettings set org.gnome.shell.overrides button-layout :minimize,maximize,close ---/etc/skel/.xsession--- #! /bin/bash /usr/local/etc/gnome3-user-settings rm -f $0 exec x-session-manager -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20140620193018.ga22...@alphanet.ch