virtualbox-guest-kmp-desktop from openSUSE:Evergreen:Maintenance:64 project
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Add repository and install manually
For openSUSE Evergreen 11.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Evergreen:Maintenance:64/openSUSE_Evergreen_11.4/openSUSE:Evergreen:Maintenance:64.repo zypper refresh zypper install virtualbox-guest-kmp-desktop