in reply to Offline install of perl
Most likely, ExtUtils::MakeMaker already is installed with perl on the machine. If RedHat is one of the companies violating the Perl license by redistributing a modified version of Perl under the same name, then most likely you can upgrade the installed packages by downloading the appropriate RPMs and installing them in one go:
https://www.redhat.com/archives/rpm-list/2003-January/msg00376.htmlrpm -i A.rpm B.rpm C.rpm
If all else fails, you can try to force-install these packages skipping their prerequisites.
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Seekers of Perl Wisdom