Restore KDM3 after installing KDE4

[claydoh at midmaine.com]

> I have installed KDE4 on a friend's computer, but moved her back to
> KDE3. The KDE3 Kcontrol cannot configure the KDE4 KDM login manager.
> How can I either configure the KDE4 login manager from KDE3, or make
> the KDE3 KDM the default login manager? Thanks in advance.
>
> Dotan Cohen
>

Either try reinstalling KDE3's kdm, which *should* offer you to the option
to select which login manager you want to use, or run the command : 'sudo
dpkg-reconfigure kdm' (or 'kdm-kde4' either should work), which will bring
up the same selection dialog.

clay weber