Looks like all of this is likely related to running on AWS.
If it's possible, can you copy this code to the server, run it and post the output?
Code:
<?php
echo "<pre>\n";
echo 'S: ' . php_uname('s') . "\n";
echo 'A: ' . php_uname('a') . "\n";
?>
Our installer only caters to the officially supported distributions. We test for RedHat/CentOS, Debian and Ubuntu. Do you have any of the files: /etc/issue, /etc/redhat-release, /etc/os-release and if so, can you post their contents please. Or can you run the command 'lsb_release -a' and post it's output (that command may or may not be present).
Mark.
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