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On linux mint mate 17.2, oracle-xe created a user oracle with uid = 1001, its password part in /etc/shadow is *, which means disable for login I guess.

But the user oracle still shows in the login screen.

I have tried to lock the user for login via passwd -l oracle, but it still shows on login screen.

The questions are:

  • What kind of user is shown on login screen? Is that users with uid >= 1000 ?
  • How can I keep the user (with uid >= 1000), and stop it from shown in login screen?
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1 Answer 1

Reset to default
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Either edit /etc/lightdm/users.conf (if AccountsService is not installed- older systems) and add yourusername to the hidden-users line e.g.:

[UserList]
hidden-users=nobody nobody4 noaccess yourusername

Or (if AccountsService is enabled - e.g. ubutnu14.04) create a file named /var/lib/AccountsService/users/yourusername containing these lines:

[User]
SystemAccount=true

You can if check AccountsService is installed on Ubuntu with:

dpkg -l accountsservice

or for rpm based systems (e.g CentOS) with:

rpm -qa | grep glibc-static
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  • You could improve your answer by indicating how OP could determine if UserAccounts is installed.
    – Law29
    Commented Mar 27, 2016 at 8:51
  • 1
    This don't work on my system. 1) There is no /etc/lightdm/ dir on my system; 2) I have accountsservice 0.6.35-0ubuntu7.2 installed, then added file /var/lib/AccountsService/users/oracle, and add the 2 lines, then reboot, but the user oracle still appear on login screen.
    – Eric
    Commented Mar 27, 2016 at 13:08

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