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Kubuntu 15.10.

I used to be asked for my password at every startup or reboot. Suddenly I am always being automatically logged in, even though I never checked "Automatic Login" in Settings.

In Settings -> User Manager, the checkbox "Automatic Login" is NOT checked. I tried checking it, rebooting, removing the check and rebooting again - but I still got Automatic Login even though it is disabled in Settings.

How can I turn on begin asked for my password / turn off Automatic Login again ?

(P.S. This started happening when I changed locale (from LANG=nl_NL.UTF-8 to LANG=en_US.UTF-8 in /etc/default/locale) - don't know if that was the cause though)

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  • Are you referring to autologin, or passwordless login (they're different things)? Feb 12, 2016 at 13:01
  • @steeldriver It appears to be autologin. My account (which is the only account on the system, there are no other users) is not listed in the nopasswd groep. 14:28 ~ $ id LB79 uid=1001(LB79) gid=1001(LB79) groups=1001(LB79),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),113(lpadmin),127(sambashare) ~ $ getent group nopasswdlogin ~ $ The computer boots straight to the desktop, there is no screen where you can choose an account to login.
    – LB7979
    Feb 12, 2016 at 13:37

1 Answer 1

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Maybe this can help, because Kubuntu 15.10 should also use the same DisplayManager as 16.04

  • Find out what DisplayManager you are using DM-List (KUbuntu 16.04 is using SDDM)
  • Then you can open the right configuration file (/etc/sddm.conf)
  • There you can delete the entry as superuser ([Autologin] User=john Session=plasma.desktop)
  • Auto-Login is off

All information are taken out of

https://wiki.archlinux.org/index.php/SDDM

I got the right hint at a kubuntu chat from a friendly user.


This answer is a copy of an answer from this question:

Kubuntu 16.04 | How to turn off auto-login after start - GUI not working

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  • Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
    – Thomas Ward
    Aug 7, 2016 at 14:33
  • Actually in the meantime I had to do a reinstall of my Kubuntu system (for reasons not related to the above post), and since then I don't have the problem anymore. So I can't comment if this solution would work...
    – LB7979
    Aug 9, 2016 at 10:20

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