rpmdb open failed May 22, 2021 If you get this error, something happened to the rpm database. To fix. rm -f /var/lib/rpm/__db* db_verify /var/lib/rpm/Packages rpm --rebuilddb yum clean allrm -f /var/lib/rpm/__db* db_verify /var/lib/rpm/Packages rpm --rebuilddb yum clean all Run yum again.