[Unit]
Description=Display Manager
-Before=graphical.target
-After=basic.target syslog.target messagebus.service haldaemon.service
-Conflicts=shutdown.target
+After=syslog.target dbus.target haldaemon.service
[Service]
ExecStart=/etc/X11/prefdm -nodaemon
-Type=simple
+
+[Install]
+Alias=display-manager.service
+WantedBy=graphical.target