I'm using linux mint with Cinnamon. The login screen comes to type a username but it also displays that in 10 seconds userx will be automatically logged in.
And it happens.
How to make it wait indefinitely?
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Running Gnome Display Manager? (GDM) – Tim Aug 15 '12 at 19:39
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Mint uses MDM a new Display Manager, which code is based on GDM 2.20. – John Aug 16 '12 at 19:20
Edit
/etc/mdm/mdm.conf
and set
AutomaticLoginEnable=false
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after restart works great! I was able to remove
timedloginfrom the same file. – Nick Mar 15 '13 at 15:55 -
Not sure what version of Mint this applies, presumably 13.x or earlier; the file doesn't exist in my install of Mint 18.3. Other answers to this question seem to work better for newer versions of Mint. – Charlie Joynt Jul 18 '18 at 11:28
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Open 'Menu' > 'Login Window' to open the Login Window Preferences. Select the 'Security' tab > uncheck the 'Enable Automatic Login' option.
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In Mint 19 (Tessa), I needed to remove the username from "Automatic login". Now, if I suspend, upon waking I do not require a password. Am I supposed to lock the screen before suspending? – ahorn Jun 22 '19 at 14:50
To me, disabling "Enable Automatic Login" in "Auto Login" tab from Login Window Preferences wasn't enough (login screen was showing up, but a moment later system was automatic logging me). I had to uncheck also "Enable Timed Login" from the same section.
That was not enough. For some weird reason Mint added a user by default to the nopasswdlogin group and no mater how long you play with the settings above, that user will not be challenged for a password.
Solution: Go to Menu > Administration > Users and Groups and remove that user from the nowpasswdlogin group.
In Mint 17/18 you need to go to Users and Groups, select the user in question from the menu on the left, then next to "Password" on the right, click "Change..." and make sure "Don't ask for password on login" is unchecked.
In Mint 16 Petra you need to turn on time delay for nopasswlogin user.
