Для openSUSE Leap 42.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Sugar/openSUSE_Leap_42.1/X11:Sugar.repo
zypper refresh
zypper install sugar-activities
Для openSUSE 13.2 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Sugar/openSUSE_13.2/X11:Sugar.repo
zypper refresh
zypper install sugar-activities
Для openSUSE 13.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/X11:Sugar/openSUSE_13.1/X11:Sugar.repo
zypper refresh
zypper install sugar-activities