> 1. How Yum handles conflicts like the same file delivered by different > RPMs? same way rpm does. It's a conflict, it shouldn't happen. It can't be detected via rpm until AFTER you run a test transaction, though. > 2. How Yum validates package integrity? it uses the internal package md5, sha1 and gpg checksums > 3. Is there "push" updates capability? not sure what this means > 4. What about any remote administration? ssh is my remote admin too. > 5. Can client machine belong to different groups associated with > different software repositories? also not sure what this means. you can have multiple repositories listed in the yum.conf, sure. -sv