xubuntu 18.04 xfce4 lightdm autologin
sudo nano /usr/share/lightdm/lightdm.conf.d/60-xubuntu.conf
[SeatDefaults]
user-session=xubuntu
autologin-user=YourDesiredAutoLoginUserName
sudo nano /usr/share/lightdm/lightdm.conf.d/60-xubuntu.conf
[SeatDefaults]
user-session=xubuntu
autologin-user=YourDesiredAutoLoginUserName