diff -Naur lightdm-1.30.0/data/lightdm.conf lightdm-1.30.0_new/data/lightdm.conf
--- lightdm-1.30.0/data/lightdm.conf	2018-09-05 04:33:31.000000000 +0300
+++ lightdm-1.30.0_new/data/lightdm.conf	2020-12-23 16:11:56.487074975 +0200
@@ -20,7 +20,7 @@
 #
 [LightDM]
 #start-default-seat=true
-#greeter-user=lightdm
+#greeter-user=gdm
 #minimum-display-number=0
 #minimum-vt=7
 #lock-memory=true
diff -Naur lightdm-1.30.0/data/users.conf lightdm-1.30.0_new/data/users.conf
--- lightdm-1.30.0/data/users.conf	2018-09-05 04:33:31.000000000 +0300
+++ lightdm-1.30.0_new/data/users.conf	2020-12-23 16:12:18.346075669 +0200
@@ -9,6 +9,6 @@
 # hidden-shells = Shells that indicate a user cannot login
 #
 [UserList]
-minimum-uid=500
+minimum-uid=1000
 hidden-users=nobody nobody4 noaccess
 hidden-shells=/bin/false /usr/sbin/nologin /sbin/nologin