Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/openSUSE_Tumbleweed/home:stroeder:network.repo
zypper refresh
zypper install stunnel
Для openSUSE Factory zSystems запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/openSUSE_Factory_zSystems/home:stroeder:network.repo
zypper refresh
zypper install stunnel
Для openSUSE Factory RISCV запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/openSUSE_Factory_RISCV/home:stroeder:network.repo
zypper refresh
zypper install stunnel
Для openSUSE Factory PowerPC запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/openSUSE_Factory_PowerPC/home:stroeder:network.repo
zypper refresh
zypper install stunnel
Для openSUSE Factory ARM запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/openSUSE_Factory_ARM/home:stroeder:network.repo
zypper refresh
zypper install stunnel
Для 15.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:stroeder:network/15.4/home:stroeder:network.repo
zypper refresh
zypper install stunnel