Since so many components are involved a fix/change might have been missed.
And since I recently didn't hear anything about this otherwise rather hot bug I
was giving focal a try.
It turns out that this was indeed improved. Only the user of pkg:ifmail user
fdt name "Fidonet" is still visible.
** Changed in: sddm
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/857651
Title:
Unable to hide users from login screen / user switcher
Piorities are a bit odd, eventually all packages affected (low prio as
they can't do much about it) actually depend on lightdm to resolve it
(prio medium) which depends on accountsservive to implement some shell-
filter feature (prio high).
TL;DR as there was a lot of discussion up to now:
-
The Dup 1667113 had tracked some more affected packages - since all are
dupped on this bug here let me add those tasks here so that all
component owners are aware.
** Also affects: ceph (Ubuntu)
Importance: Undecided
Status: New
** Also affects: ifmail (Ubuntu)
Importance: Undecided
** Changed in: accountsservice
Status: Confirmed => Unknown
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Title:
Unable to hide users from login screen / user
bug 1674765 and https://askubuntu.com/questions/92349/how-do-i-hide-a
-particular-user-from-the-login-screen have information how to deal with
this
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Why am I seeing this in a bionic fresh install when I did not see this in
trusty?
How can I workaround this very annoying and very old bug?
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** Tags added: bionic
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Title:
Unable to hide users from login screen / user switcher
Status in accountsservice:
** Tags added: artful
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Title:
Unable to hide users from login screen / user switcher
Status in accountsservice:
** Tags added: xenial
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Title:
Unable to hide users from login screen / user switcher
Status in accountsservice:
Confirmed
** Tags added: trusty zesty
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Title:
Unable to hide users from login screen / user switcher
Status in accountsservice:
I was made aware in bug #1667113 that this seems to be the root bug to dup this
onto.
I know this comes down to accountsservice, as others not using it like sddm are
just fine.
If we stick to depend on accountsservice, then it comes down to the following
$ dbus-send --print-reply=literal
Set the user to be a SystemUser in /var/lib/AccountsService/users works.
I would be more interested in a whitelist feature, so newly created unworthy
users don't have to be blacklisted.
Why is there not a simple requirement like: only members of the lightdm
group are allowed to use lightdm??
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The workaround I am using to this bug is simple:
Copy /var/lib/AccountsService/users/root to /var/lib/AccountsService/users/user
It's is probably a bad thing to do...
What actually happens if one uses SystemAccount=true in that file, as
far as I understand (correct me if I am wrong) that won't
This bug also causes all users home directories to mount if they're
setup in autofs. This is especially detrimental if your autofs maps
contain thousands of users. Lightdm and autofs will slowly grind through
mounting home directories looking for:
~/.dmrc
~/.face
~/.face.icon
These mounts stay
could at least don't show last logged in network users work somehow?
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Title:
Unable to hide users from login screen / user
workaround:
delete line 143 (username section, containing text: greeter.lastLoggedInUser)
/usr/share/kde4/apps/lightdm-kde-greeter/themes/classic/main.qml
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Bug is even worse with kde where
greeter-hide-users=true
does not work.
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Title:
Unable to hide users from login screen / user
Given that there is a patch available for the upstream bug, could Ubuntu
pull that into it's version of accountservice?
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Title:
Still an issue on ubuntu 14.04
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Title:
Unable to hide users from login screen / user switcher
Status in D-Bus interfaces for
Please disregard my comment #61. I missed the existence of the greeter-
show-manual-login lightdm config option.
** No longer affects: unity-greeter (Ubuntu)
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Creating a user with UID 1000 works for me as a workaround, since I'm
using lightdm-gtk-greeter, which has an Other option that allows you
to type the username of the account you want to log in to. unity-greeter
does not have this option, so a modification to unity-greeter seems to
be needed to
** Changed in: accountsservice
Status: Confirmed = Invalid
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Title:
Unable to hide users from login screen / user
Remote Watch should be updated to:
https://bugs.freedesktop.org/show_bug.cgi?id=56729
** Bug watch added: freedesktop.org Bugzilla #56729
https://bugs.freedesktop.org/show_bug.cgi?id=56729
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Upstream 41908 was marked invalid as a duplicate of upstream 56729, for
which there is a patch. Updating Remote Watch accordingly.
** Changed in: accountsservice
Importance: Medium = Unknown
** Changed in: accountsservice
Status: Invalid = Unknown
** Changed in: accountsservice
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Created patch against latest ubuntu source package.
It creates the option to write a key-value-pair to a configuration file named
/etc/accountsservice.conf,
in which you can specify with the key hidden-users a space separated list of
the hidden users.
Example content of
The attachment add-config-file.patch of this bug report has been
identified as being a patch. The ubuntu-reviewers team has been
subscribed to the bug report so that they can review the patch. In the
event that this is in fact not a patch you can resolve this situation by
removing the tag
Any good reason for removing something that used to work perfectly (kdm)
and substituting an evidently half backed replacement for it?
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What about creating a system group like noguilogin that
accountsservice uses to determine whether a gui login is allowed and
passes that as a flag via dbus with other requested user information.
Then all other services that use accountsservice can refer to this when
validating whether an X session
one of the most creative thing of linux developers is, they are very
good at transforming a bug into a feature.
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Title:
Unable to
There is also problem with shells.
In the file /etc/passwd I set:
user:x:1001:1001:,,,:/home/user:/bin/false
In file /etc/shells I added
/bin/false
Also checked:
# ls -l /bin/false
-rwxr-xr-x 1 root root 22896 apr1 06:09 /bin/false
But still can user log in as regular user through GUI. I
10+ months later and this is still an issue. All our users log in via
LDAP. I'd really like to have this fixed so we don't have a lab of
machines that display what the local admin username is.
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for now, i worked around setting the UID 1000.
I have 3 user hide from lightdm with UID 955 956 957
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Title:
Unable to hide
same here with ubuntu 12.04 and unity-2D.
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Title:
Unable to hide users from login screen / user switcher
Status in D-Bus
thanks for your interest but please use the Does this bug affect you?
button on top of the bug table rather than comments to confirm you get
the issue
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still active bug then with no work around!!
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Title:
Unable to hide users from login screen / user switcher
Status in D-Bus
so what is the fix for this?
how do i remove usernames from lightdm that have no purpose being there IE:
the username used to run lightdm = lightdm
UID= 999
the above user is listed if i change the UID to 499 or less lightdm
fails to run!
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I think global exclusion option is needed. Imagine a big domain
environment where there are about 20 admins. And all these admins are
policykit admins. Once you try to use policykit somehow, all these admin
accounts will appear in the panel, but I don't really need them there.
The same for login
Another use case is corporate. Desktop roaming in an AD environment would
result in your PC being populated in the greeter by anyone who happened to use
your PC while you were on holiday. Or if support staff login to check a support
call, or if we get the user to login at another PC to
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Hey Aurélien, is that something you would be interested to work on? It
would need adding support for hiding users to accountsservice and get
lightdm to use it
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Robert says that there is no lightdm change require, the service should
just export the right list of users
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Title:
Unable to
Rhialto, you can disable all users by settting the following in
/etc/lightdm/lightdm.conf:
[SeatDefaults]
greeter-hide-users=true
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@Rhialto:
I dont see why this is a security risk to show all users. On UNIX-like
systems unprivileged users usually can read /etc/passwd and therefore
all user-names on this machine (unless they are managed by LDAP or
similar).
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I would say it is a security problem to have any users show up at all.
There doesn't even seem to be an option to *always* hide *all* users.
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Please add a brief comment to
/etc/lightdm/users.conf to explain.
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Title:
Unable to hide users from login screen / user switcher
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