jogl z 8,
If I understand you correctly, you wish to change the default Desktop Environment from Gnome to KDE?
Two ways:
1. In Terminal:
Code:
$ sudo dpkg-reconfigure gdm
OR
2. Open the file /etc/X11/default-display-manager
Code:
$ sudo nano /etc/X11/default-display-manager
For
KDE use this text, then Save:
# FILE : /etc/X11/default-display-manager
/usr/lib/kde4/bin/kdm
.........................................................
For
Gnome use this text, then Save:
# FILE : /etc/X11/default-display-manager
/usr/sbin/gdm
Finally Reboot.