openconnect from home:kamarada:15.5 project

需要 openSUSE Leap 15.5 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:kamarada:15.5/openSUSE_Leap_15.5/home:kamarada:15.5.repo
zypper refresh
zypper install openconnect