Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/openSUSE_Tumbleweed/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap
Для openSUSE Leap 15.2 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/openSUSE_Leap_15.2/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap
Для openSUSE Leap 15.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/openSUSE_Leap_15.1/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap
Для openSUSE Leap 15.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/openSUSE_Leap_15.0/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/15.5/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:AndnoVember:windowmanagers/15.4/home:AndnoVember:windowmanagers.repo
zypper refresh
zypper install zramswap