Perl missing on CentOS 7 minimal install | Funky Penguin

When trying to install some Nagios plugins on my minimal CentOS 7 host, I was frustrated for a while when the plugins failed to run with errors about:


This is a companion discussion topic for the original entry at https://www.funkypenguin.co.nz/note/2016/02/18/perl-missing-on-centos-7-minimal-install.html