KDM:
In /usr/share/config/kdm, create the files:
Xstartup (run a logon)
Xreset (run at logoff)
GDM:
In /etc/gdm, create the files:
PostLogin/Default (Logon)
PostSession/Default (Logoff)
In /usr/share/config/kdm, create the files:
Xstartup (run a logon)
Xreset (run at logoff)
In /etc/gdm, create the files:
PostLogin/Default (Logon)
PostSession/Default (Logoff)