lightdm - Restore Ubuntu 16.04 Login Screen - Ask Ubuntu


i installed ubuntu kylin theme want restore original login in screen ubuntu, tried uninstall theme, purge , reinstall lightdm , change default gdm dpkg-reconfigure ubuntu kylin login screen.

edit:

i tried see configuration in ubuntu tweak show default login screen configuration showing ubuntu kylin when boot computer.

screenshot of ubuntu tweak tool

kylin-greeter version of lightdm greeter, , switch default greeter ( unity-greeter ) 1 must tell lightdm 1 use via configuration file.

what want edit ( or create if doesn't exist ) file /etc/lightdm/lightdm.conf

basic steps ( done terminal )

  1. open file text editor. can use nano because it's easier. sudo nano /etc/lightdm/lightdm.conf

  2. if don't have [seatdefaults] line, go step 3. otherwise, add line.

  3. bellow [seatdefaults] add greeter-session=unity-greeter line.

  4. save ctrl + o. exit ctrl + x .

  5. reboot, or go tty1 ( via ctrl+alt+f1 ） ， login there , restart lightdm sudo service lightdm restart


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