xfce4-screensaver from openSUSE:Backports:SLE-15-SP6:Update project
Selecione seu sistema operacional
Adicionar repositório e instalar manualmente
Para standard execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP6:Update/standard/openSUSE:Backports:SLE-15-SP6:Update.repo zypper refresh zypper install xfce4-screensaver