Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure/openSUSE_Tumbleweed/openSUSE:infrastructure.repo
zypper refresh
zypper install mysql-tuning-scripts
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure/16.0/openSUSE:infrastructure.repo
zypper refresh
zypper install mysql-tuning-scripts
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure/15.6/openSUSE:infrastructure.repo
zypper refresh
zypper install mysql-tuning-scripts