Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:aschnell:parted/openSUSE_Tumbleweed/home:aschnell:parted.repo
zypper refresh
zypper install parted
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:aschnell:parted/15.6/home:aschnell:parted.repo
zypper refresh
zypper install parted
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:aschnell:parted/15.5/home:aschnell:parted.repo
zypper refresh
zypper install parted