Hello Perl300,

Sorry for the late reply but I just got the time to review your question.

There is a bug reported related to your problem:

ERROR: Failed to retrieve patchperl executable.
[download]

See here perlbrew fails to install patchperl #350. The solution that worked before the ticket was closed:

$ curl https://raw.githubusercontent.com/gugod/patchperl-packing/maste
+r/patchperl > ~/perl5/perlbrew/bin/patchperl
[download]

From my point of view it looks that perlbrew is not installed correctly or need to be updated. If I was you I would simply ask the Admin of the node to login as root and install perlbrew from CPAN. By doing this you will avoid troubleshooting step by step the process.

Never the less I would highly recommend first installing the latest CPAN version for your CentosOS 6.8 e.g.:

Then simply ask him to run:

I hope this helps, keep us updated. BR / Thanos