For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:cobbler:release33/openSUSE_Tumbleweed/systemsmanagement:cobbler:release33.repo
zypper refresh
zypper install hivex
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:cobbler:release33/15.5/systemsmanagement:cobbler:release33.repo
zypper refresh
zypper install hivex
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:cobbler:release33/15.4/systemsmanagement:cobbler:release33.repo
zypper refresh
zypper install hivex
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:cobbler:release33/15.3/systemsmanagement:cobbler:release33.repo
zypper refresh
zypper install hivex