LXDE (lubuntu) Auto Login:
===========================
You will need to create an /etc/lightdm/lightdm.conf with these contents: (do this as root)

[SeatDefaults]
autologin-user=<YOUR USER>
autologin-user-timeout=0
# Check https://bugs.launchpad.net/lightdm/+bug/854261 before setting a timeout
user-session=Lubuntu
greeter-session=lightdm-gtk-greeter

Save and restart.

Source: https://askubuntu.com/questions/426831/lxde-auto-login
Date: September 15th 2021.