Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/openSUSE_Tumbleweed/security:logging.repo
zypper refresh
zypper install graylog
Для 15.7 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.7/security:logging.repo
zypper refresh
zypper install graylog
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.6/security:logging.repo
zypper refresh
zypper install graylog
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.5/security:logging.repo
zypper refresh
zypper install graylog
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/security:logging/15.4/security:logging.repo
zypper refresh
zypper install graylog