edit_lightdmconf

Disable Linux Mint automatic login

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Linux Mint during installation offers the option of enabling system start with automatic login. If the password entry is to be restored later, as with Ubuntu 10 Buster, the option can no longer be found in the settings. This post show how to re-enabling the user login with password entry under Linux Mint 20 Ulyana.

It was necessary to switch off the automatic login after it was found that the email client Geary did not save the passwords of the accounts, these had to be re-entered after each restart.

email client Geary

Since Linux Mint 19 Tessa Chinnamon or more longer there has the option Automatic login in the Control Panel – Login window. The setting can now be made with an text editor, open a terminal hit CTRL + ALT + T and enter the following command:

and remove this lines:

 if you are not familiar with vim, your favorite editor could be nano or xed.

After restarting and logging in with a password, the key management opens in the background, which enables Geary to save the passwords in the seahorse key management.

lightdmconf
Linux Mint Terminal: cat /etc/lightdm/lightdm.conf

Another possibility to switch off the automatic user login is to remove the user in the Username field in the User section in System Settings – Login Window.

logon setting
Anmeldefenster – Benutzer – Benutzername muss leer sein.

On automatic login, the Username field must be empty.

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