Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:markusd:samba:samba-stable-fs/openSUSE_Tumbleweed/home:markusd:samba:samba-stable-fs.repo
zypper refresh
zypper install samba-client
Для 16.0 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:markusd:samba:samba-stable-fs/16.0/home:markusd:samba:samba-stable-fs.repo
zypper refresh
zypper install samba-client
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:markusd:samba:samba-stable-fs/15.6/home:markusd:samba:samba-stable-fs.repo
zypper refresh
zypper install samba-client