Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:LXQT/openSUSE_Tumbleweed/home:AndnoVember:LXQT.repo
zypper refresh
zypper install xdg-utils
Для openSUSE Leap 15.2 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:LXQT/openSUSE_Leap_15.2/home:AndnoVember:LXQT.repo
zypper refresh
zypper install xdg-utils
Для openSUSE Leap 15.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:LXQT/openSUSE_Leap_15.1/home:AndnoVember:LXQT.repo
zypper refresh
zypper install xdg-utils
Для openSUSE Leap 15.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:LXQT/openSUSE_Leap_15.0/home:AndnoVember:LXQT.repo
zypper refresh
zypper install xdg-utils
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:LXQT/15.4/home:AndnoVember:LXQT.repo
zypper refresh
zypper install xdg-utils