Make sure you include the ORACLE_HOME perl in your path before installing AHF as root
Whoever manages AHF, can you please amend your instructions to state that you have to include the perl that comes in your ORACLE_HOME in your PATH when installing AHF (eg. export PATH=$PATH:/u00/app/oracle/product/18.0/perl/bin). This might seem obvious to you but it isn't if you haven't install AHF before. My install didn't work and it looked like it needed perl, so I installed perl on my server (yum install perl) and then the install sort of worked but it couldn't find DataDumper.pm. So to save everyone a bunch of time, it would be simpler to just tell people to make sure they