需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:STABLE/openSUSE_Tumbleweed/server:Kolab:STABLE.repo
zypper refresh
zypper install kolab
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:STABLE/15.6/server:Kolab:STABLE.repo
zypper refresh
zypper install kolab
需要 15.5 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:STABLE/15.5/server:Kolab:STABLE.repo
zypper refresh
zypper install kolab
需要 15.4 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/server:Kolab:STABLE/15.4/server:Kolab:STABLE.repo
zypper refresh
zypper install kolab