Fix lightdm user display

roles/fri_base/tasks/main_lin.yml

@@ -158,6 +158,12 @@
     - /etc/profile
     - /etc/bash.bashrc
 
+- name: Hide users in lightdm
+  lineinfile:
+    path: /etc/lightdm/lightdm.conf
+    regexp: "#?greeter-hide-users="
+    line: greeter-hide-users=true
+
 - name: Copy authorized_keys
   copy:
     src: authorized_keys