Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:monitoring/openSUSE_Tumbleweed/home:mnhauke:monitoring.repo
zypper refresh
zypper install monitoring-plugins-nsc_web
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:monitoring/16.0/home:mnhauke:monitoring.repo
zypper refresh
zypper install monitoring-plugins-nsc_web
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:monitoring/15.4/home:mnhauke:monitoring.repo
zypper refresh
zypper install monitoring-plugins-nsc_web