rpm replacepkgs和replacefiles选项的区别

--replacepkgs	Replace a package with a new copy of itself
--replacefiles	Replace files owned by another package
--force	Ignore package and file conflicts

--oldpackage

Permit "upgrading" to an older package

       --force

              Same as using --replacepkgs, --replacefiles, and --oldpackage.

检验：

rpm -V packagename