In Lubuntu 13.04 "sudo dpkg-reconfigure keyboard-configuration" does not keep the chosen keyboard layout remembered.
I had to put "@lxkeymap --autostart" in /home/vatbier/.config/lxsession/Lubuntu/autostart (putting it in /etc/xdg/lxsession/Lubuntu/autostart doesn't work if you already got an autostart file in your home directory .config/lxsession/Lubuntu)
In Lubuntu 13.04 "sudo dpkg-reconfigure keyboard- configuration" does not keep the chosen keyboard layout remembered. .config/ lxsession/ Lubuntu/ autostart (putting it in /etc/xdg/ lxsession/ Lubuntu/ autostart doesn't work if you already got an autostart file in your home directory .config/ lxsession/ Lubuntu)
I had to put "@lxkeymap --autostart" in /home/vatbier/