Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:idm/openSUSE_Tumbleweed/network:idm.repo
zypper refresh
zypper install nss_synth
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:idm/16.0/network:idm.repo
zypper refresh
zypper install nss_synth
Para 15.7 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:idm/15.7/network:idm.repo
zypper refresh
zypper install nss_synth
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:idm/15.6/network:idm.repo
zypper refresh
zypper install nss_synth