hide user list in Ubuntu Lucid 10.04 login

Starting Ubuntu Karmic 9.10 a long awaited completely re-written from scratch version of GDM has been shipped. The only major drawback is that there is no graphical customization tool for it.

Despite this a few settings can be toggled through gconf

to disable the user list

press ALT+F2 and type

gksu gconf-editor

then navigate to

/apps/gdm/simple-greeter

and tick disable user list

[one line command is:

gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type Boolean --set /apps/gdm/simple-greeter/disable_user_list True

you can add some banner text and toggle accessibility features in

/apps/gdm/simple-greeter/accessibility

you can untick the active key in order to disable the login ready drums sound in

/apps/gdm/simple-greeter/settings-manager-plugins/sound/

NOTE: remember to type gksu (or sudo from the terminal) since it’s the root gconf profile you have to tweak, not the user one. If you just tweak the user one no effect would take place. The reason why is that GDM runs as a root process.

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13 Responses to “hide user list in Ubuntu Lucid 10.04 login”

  1. FErArg says:

    Hi, I’ve got installed Ubuntu Netbook Remix 9.10 in my EeePC, and I did the change but the system don’t care what I configure

    • aldeby says:

      Sorry, in the original post I forgot to add it should be the root gconf to be tweaked, not the user one. My mistake, sorry!

      • avsej says:

        Try this:

        1. Logout of your current session and return to the GDM
        2. Switch to the tty command line prompt using Ctrl-Alt-F1
        3. Login using your normal login/password
        4. at the command line prompt type: export DISPLAY=:0.0
        5. then type: sudo -u gdm gconf-editor
        6. Switch back to the gdm screen using ALT-F7
        7. Then navigate to /apps/gdm/simple-greeter and tick disable user list

        • avsej says:

          8. Restart gdm sudo /etc/init.d/gdm restart

          PS. If step 5 fails, try

          $ sudo -s
          $ sudo -u gdm gconf-editor

        • aldeby says:

          Thanks for pointing this out avsej!
          By the way your procedure simply means setting the root gconf option instead of the user one. By other means that can be achieved as well throught gksu gconf-editor

  2. Fernando says:

    I found the answer to your question at
    http://ubuntuforums.org/showthread.php?t=1292065
    it worked for me after the instructions in this posting were ignored by Karmic.

    Good luck

    Fernando

    • aldeby says:

      Thanks Fernando!
      Basically that is the same as avsej suggested which is the same as I’ve written plus the fundamental detail that it’s the root gconf that has to be tweaked that way, not the user one.

      Forgetting to first gain administrator privileges leads to the non effectiveness of the procedure.
      Thanks you for pointing this out!

  3. Noreply says:

    GDM does run in userspace. To say that it doesn’t run in userspace means that it runs within the OS kernel code.

    • aldeby says:

      Thank you for correcting my mistake!
      I’m glad there is always something more to learn!
      Have a good day!

  4. [...] ways to disable; the first is from another blog that I like [...]

  5. kleinerpinguin says:

    Thank you so much!
    I’ve been searching for this information for quite a while.
    Now my login screen doesnt look cluttered any more :)
    Have a nice day!

  6. erick says:

    wow! thank you very much, my friend once tweaked my log-in screen, like the one in this tutorial, i wonder how he did it?, now i did it my self, thank you man

  7. erick says:

    I thought i lost this site, i did it in my lucid again.

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