[Archlinux] How to install lightdm

Install package
pacman -S lightdm-gtk-greeter

Enable package
systemctl enable lightdm

If you have different type of lightdm.
Please set like below.

/etc/lightdm/lightdm.conf

[Seat:*]
...
greeter-session=lightdm-yourgreeter-greeter

[Archlinux] How to change lightdm theme

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Reference:

• LightDM