需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:vlefebvre:unified/openSUSE_Tumbleweed/home:vlefebvre:unified.repo
zypper refresh
zypper install systemd-experimental
需要 devel microos ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:vlefebvre:unified/devel_microos/home:vlefebvre:unified.repo
zypper refresh
zypper install systemd-experimental
需要 devel aeon ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:vlefebvre:unified/devel_aeon/home:vlefebvre:unified.repo
zypper refresh
zypper install systemd-experimental