Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:XOrg/openSUSE_Tumbleweed/X11:XOrg.repo
zypper refresh
zypper install xhost
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:XOrg/openSUSE_Factory/X11:XOrg.repo
zypper refresh
zypper install xhost
Para openSUSE 13.1 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/X11:XOrg/openSUSE_13.1/X11:XOrg.repo
zypper refresh
zypper install xhost