Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:1C/openSUSE_Tumbleweed/home:Dead_Mozay:1C.repo
zypper refresh
zypper install postgresql10
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:1C/15.6/home:Dead_Mozay:1C.repo
zypper refresh
zypper install postgresql10
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:Dead_Mozay:1C/15.5/home:Dead_Mozay:1C.repo
zypper refresh
zypper install postgresql10