Para openSUSE Tumbleweed ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:brassh:branches:science/openSUSE_Tumbleweed/home:brassh:branches:science.repo
zypper refresh
zypper install cgns
Para openSUSE Slowroll ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:brassh:branches:science/openSUSE_Slowroll/home:brassh:branches:science.repo
zypper refresh
zypper install cgns
Para 16.0 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:brassh:branches:science/16.0/home:brassh:branches:science.repo
zypper refresh
zypper install cgns
Para 15.6 ejecute lo siguiente como root:
zypper addrepo https://download.opensuse.org/repositories/home:brassh:branches:science/15.6/home:brassh:branches:science.repo
zypper refresh
zypper install cgns