Shortcuts
Packages to install
$ sudo pacman -Sy lightdm
$ sudo systemctl enable lightdm.service
$ sudo reboot
If you get [FAILED] Failed to start Light Display Manager install,
$ sudo pacman -Sy lightdm-gtk-greeter # installs the default greeter
$ sudo reboot
Change GTK greeter background
$ sudo cp background.jpg /usr/share/pixmaps/
$ sudo vim /etc/lightdm/lightdm-gtk-greeter.conf
Add this section,
[greeter]
background=/usr/share/pixmaps/background.jpg
Then reboot the system or use dm-tool to test.
$ dm-tool switch-to-greeter
Note: dm-tool doesn’t work when switching a greeter. It requires a reboot.
GUI tool to customize GTK greeter
$ sudo pacman -Sy lightdm-gtk-greeter-settings
Switch to Slick greeter
$ yay -S lightdm-slick-greeter
To use the slick greeter as default, edit /etc/lightdm/lightdm.conf
[Seat:*]
greeter-session=lightdm-slick-greeter
Then reboot the system
Change Slick greeter background
Create a file /etc/lightdm/slick-greeter.conf and add the following:
[Greeter]
background=/usr/share/pixmaps/background.jpg
GUI tool to customize Slick greeter
$ yay -S lightdm-settings