需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:libyui/openSUSE_Tumbleweed/devel:libraries:libyui.repo
zypper refresh
zypper install rubygem-libyui-rake
需要 openSUSE Factory ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:libyui/openSUSE_Factory/devel:libraries:libyui.repo
zypper refresh
zypper install rubygem-libyui-rake
需要 assis repo checker ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:libyui/assis_repo_checker/devel:libraries:libyui.repo
zypper refresh
zypper install rubygem-libyui-rake
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:libyui/15.6/devel:libraries:libyui.repo
zypper refresh
zypper install rubygem-libyui-rake