CentOS upgrade 7->8 inplace
The recipe that succeeded to help: https://forums.centos.org/viewtopic.php?t=75172#p325936
And then should be followed by: https://www.linode.com/docs/guides/migrate-from-centos-8-to-centos-stream/
And then should be followed by: https://www.linode.com/docs/guides/migrate-from-centos-8-to-centos-stream/