#Linux mastering by the main Patch- and Upgrade server/service instance #MultiLinuxMgmt=SUSEMLM formerly known as #SUMA . (everybody can use #uyuni, FOSS) With a contract imposed ticket I convinced SUSE-Support to let me use key stripped repository URLs for my douzens of #opensuse VM-Srever clients to upgrade from 15.6 to 16. Debian and Ubuntu also possible. Upgrading all kind of distros is usually prohibited by SUSE. I am proud to get their allowness to hack #SUSEMLM