Gconf-editor des de la consola

Eina: gconftool-2

gconftool-2 --set /apps/gnome-screensaver/lock_enabled --type bool 1

gconftool-2 --set /desktop/gnome/interface/monospace_font_name --type string "Monospace 8"

Enllaç --> http://ubuntu-tutorials.com/2008/01/10/gconftool-2-gconf-editor-from-the-shell/