For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:orthos2:production/openSUSE_Tumbleweed/systemsmanagement:orthos2:production.repo
zypper refresh
zypper install mkdud
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:orthos2:production/15.6/systemsmanagement:orthos2:production.repo
zypper refresh
zypper install mkdud
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:orthos2:production/15.5/systemsmanagement:orthos2:production.repo
zypper refresh
zypper install mkdud
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:orthos2:production/15.4/systemsmanagement:orthos2:production.repo
zypper refresh
zypper install mkdud