hostnamectl cat /etc/SuSE-releaseinstall rpm
rpm -ivh [rpm-file]
zypper repos -dadd repository
zypper addrepo [URI] [alias]remove repository
zypper removerepo [alias]install package
zypper install [package]official repositories
http://ftp5.gwdg.de/pub/opensuse/repos for current versions
http://ftp5.gwdg.de/pub/opensuse/distribution/repos for older versions
http://ftp5.gwdg.de/pub/opensuse/discontinued/distribution/