For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pfranta6/openSUSE_Tumbleweed/home:pfranta6.repo
zypper refresh
zypper install ksysguard6
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pfranta6/openSUSE_Slowroll/home:pfranta6.repo
zypper refresh
zypper install ksysguard6
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:pfranta6/16.0/home:pfranta6.repo
zypper refresh
zypper install ksysguard6