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Our login screen requirements include a warning / disclaimer and a basic login, showing just a username and password field. Sadly, Gnome 3 seems to be ignoring the org.gnome.login-screen.disable-user-list checkbox presented by dconf-editor.

Can you disable the list of users displayed prior to login in Gnome 3 GDM?

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For gdm3 see: How to disable the user list on GDM3 login screen? – don_crissti Nov 22 '15 at 14:16

gdm3 loads its configuration in its own dconf database. This is separate apparently from the user dconf db that is accessible from the GUI with dconf-editor.

To edit the key value pairs which control the gdm settings and the login screen create a custom file in the /etc/dconf/db/gdm.d and add the custom entries there.

Do the following as the root user:

  1. touch /etc/dconf/db/gdm.d/01-custom-gdm-settings
  2. Add the following:



  3. Update the dconf database

    dconf update

  4. Restart gdm.

    systemctl restart gdm


    /etc/init.d/gdm restart

More details on this can be found on the gnome sysadmin FAQ.


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This is what worked for me (Oracle Linux 6.5)

Edit the /etc/gconf/gconf.xml.defaults/%gconf-tree.xml file

Under this section

<entry name="disable_user_list" mtime="1400746800" type="schema" stype="bool" owner="gdm-simple-greeter" gettext_domain="gdm"
   <local_schema locale="C" short_desc="Do not show known users in the login window">
      <default type="bool" value="false"/>
      <longdesc>Set to true to disable showing known users in the login window.</longdesc>

Change false to true and logout.

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