How to Remove (Hide) Users list at login Screen in Helena

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How to Remove (Hide) Users list at login Screen in Helena

Postby Lantesh on Fri Dec 04, 2009 9:52 pm

For those that are irritated by Ubuntu's decision to have users names show at login there is a fix. Read on...

How to Remove (Hide) Users list at login Screen in Ubuntu 9.10 (Karmic)
source: http://www.ubuntugeek.com/how-to-remove-hide-users-list-at-login-screen-in-ubuntu-9-10-karmic.html

One of the new features in Ubuntu 9.10 is it show the currently available users list at login screen if you want to hide this just follow one of the following method

Method 1
Open the terminal and enter the following comamnd

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

Method 2
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

8. Restart gdm

sudo /etc/init.d/gdm restart
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby amilauduwerella on Fri May 14, 2010 11:34 pm

I've been using debian for a long time in my pc. i just bought a new one and install mint8 x64. everything else is ok, but this login screen does not.
i cant change it as i want.
even if i did as above mentioned it does not work for my damn thing.
why is it?
how do i change the gdm theme. debian is easier than this.
please help me, how to put a gdm theme in cli or gui
Thanks,
Amila.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby satcowboy on Wed Jul 14, 2010 3:34 pm

Thanks, Lantesh, I was wondering about that.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby Brian49 on Tue Aug 31, 2010 4:50 am

If you prefer a GUI method of changing this setting, try the gdm2setup utility, available from the repositories under the package name python-gdm2setup.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby tacoz on Thu Jan 06, 2011 2:25 am

However python-gdm2setup is not there for LMDE!
I had this same requirement and it is a mission figuring out for Debian... you need to edit
Code: Select all
usr/share/linuxmint/adjustments/gdm3/greeter.gconf-defaults
and not
Code: Select all
/etc/gdm3/greeter.gconf-defaults
as one might have been inclined to do. In a clean Debian installation that would've been the case... but we're using Mint and the sysdevs have for the time being added "adjustments" to the system.

viewtopic.php?f=141&t=62823 for more details
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby presynaras on Tue Mar 22, 2011 6:05 am

Hey thanks, I've been wanting to do that for a while now. Nice step by step instructions
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby paladin_knight on Tue Nov 29, 2011 11:50 am

Not to offend anybody here. Why would you mind seeing users list at login screen in the first place?. Actually, it's good thing that you can see which user(s) is currently using the computer. :?:
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby caseycici on Wed Nov 30, 2011 1:08 am

tks
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby SaintDanBert on Wed Jan 18, 2012 11:12 pm

paladin_knight wrote:Not to offend anybody here. Why would you mind seeing users list at login screen in the first place?. Actually, it's good thing that you can see which user(s) is currently using the computer. :?:


So I'm a no-good-nick and find myself sitting at your computer.

One way, I need guess two things -- a username and a password.

One way, I need to guess only one thing -- a password.

Which is more secure? For my money, the one without the list of usenames on display for all to see.

~~~ 0;-Dan
All government spending, regardless of the motives, uses YOUR money!
Any government extensive enough to give you anything that you want is also
powerful enough to take everything that you have.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby ancientt on Thu Feb 09, 2012 8:44 pm

For me the issue isn't so much one of security as of purpose. I want a way to determine which users are displayed and which aren't because some users are created to perform automated tasks and don't need to be an option. Root isn't displayed so there must be some sort of filtering, but I haven't found out where it is yet.

Edit: There are two things that I have found that might be useful to others with the same question. First, go to Control Center and open Login Screen. Unlock it and you can uncheck the box for "Show list of users." Second, if you want to exclude specific users, you can add them to the exclusion list found in: /etc/gdm/gdm.schemas (search for root)
Disclaimer: Done with Julia (Linux Mint 10) before an upgrade
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby SaintDanBert on Tue Mar 27, 2012 2:02 pm

ancientt wrote:For me the issue isn't so much one of security as of purpose. I want a way to determine which users are displayed and which aren't because some users are created to perform automated tasks and don't need to be an option. Root isn't displayed so there must be some sort of filtering, but I haven't found out where it is yet.

Edit: There are two things that I have found that might be useful to others with the same question. First, go to Control Center and open Login Screen. Unlock it and you can uncheck the box for "Show list of users." Second, if you want to exclude specific users, you can add them to the exclusion list found in: /etc/gdm/gdm.schemas (search for root)
Disclaimer: Done with Julia (Linux Mint 10) before an upgrade


It appears that the cold-start list of names is part of the desktop theme or something because
I don't find any ways to alter how it works.

Running Mint-12 (I don't know the Mint names yet) there is no similar "Login Screen" setting.
There is a folder /etc/gdm/... but it is empty. Even the folders within that folder are empty.
If I access Menu --> Preferences --> User Accounts, all I can manipulate are usernames, passwords,
and auto login.



Follow-up:
It seems that Mint-12 is using lightdm or the light display manager along with something called Account Services. The only account-anything that I find running is the goa-daemon.
That, however, appears to be the keyring service.

I also find /var/lib/AccountsService/... but its contents seem to be per-account details and nothing to do with the login screen.

Why has this become so difficult and confusing? We call this "progress?" I think not.



Really wanting this to go away,
~~~ 8d;-/ Dan
All government spending, regardless of the motives, uses YOUR money!
Any government extensive enough to give you anything that you want is also
powerful enough to take everything that you have.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby SaintDanBert on Sun Apr 08, 2012 12:54 pm

bump

I still have not found out how to get Mint-12 with Cinnamon to login like I want.
What I prefer to happen is:
  • cold start (or log out)
  • some background image
  • dialog where one enters a username without any list or guide of existing users
  • dialog where one enters a password -- same as username panel preferred, but two separate dialogs is fine if I get rid of the "try to hack these users" list.
  • blue sky ~ wish list able to use the fingerprint scanner to accomplish login
    (This latter is off topic for this thread, but I announced it was wishes.)

There must be some theme or config item to get rid of the user list.
Will someone please tell me where it is?

~~~ 8d;-< Dan
All government spending, regardless of the motives, uses YOUR money!
Any government extensive enough to give you anything that you want is also
powerful enough to take everything that you have.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby SaintDanBert on Mon Apr 09, 2012 11:22 am

I edited the file /etc/lightdm/users.conf and set a high value for the users to display UID.
It had no effect on my login display even though all of the config files appear to say that
my workstation uses lightdm for login.

Cinnamon on Mint-12 with Mint-Z theme.

Stumped,
~~~ 0;-/ Dan
All government spending, regardless of the motives, uses YOUR money!
Any government extensive enough to give you anything that you want is also
powerful enough to take everything that you have.
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Re: How to Remove (Hide) Users list at login Screen in Helen

Postby a4techjames on Sat May 12, 2012 12:50 am

YES! Thanks for this info. I've been searching for this answer to google. Thanks a lot sir.
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