Eu tentei "gsettings set org.gnome.desktop.screensaver ubuntu-lock-on-suspender 'false", mas isso me dá este erro
dconf-WARNING **: failed to commit changes to dconf: Error spawning command line "dbus-launch
--autolaunch=20796ad98ce648418703c7f3c0597be8 --binary-syntax --close-stderr":
Child process exited with code 1
Obrigado pela sua resposta antecipadamente.