Tuigreet en Fedora

sudo dnf install greetd tuigreet

En /etc/greetd/config.toml

[terminal]
vt = 1

[default_session]
command = "tuigreet --cmd 'niri --session' --time --remember --asterisks"
user = "greetd"

Luego:

sudo systemctl set-default graphical.target
sudo systemctl enable greetd
sudo systemctl start greetd