Hi you can do anything like that: openSUSE Tumbleweed: zypper ar http://download.opensuse.org/repositories/home:/saigkill:/branches:/security/openSUSE_Tumbleweed openSUSE Leap 42.2: zypper ar http://download.opensuse.org/repositories/home:/saigkill:/branches:/security/openSUSE_Leap_42.2 Then you can open the YaST Packagemanager, go to "Installationsources" Tab, choose "home:saigkill:branches:security" and choose "rkhunter". Now look at the tabs on the right side of YaST. You find there Description, Technical Data, Dependencies, Versions, Filelist and Changelist. Click on Versions. There you see all repositories and versions what providing rkhunter. Choose there the version from home:saigkill:branches:security. Now YaST does a update of rkhunter from that repository. Then rkhunter should be available on your system.