The Data Security Coverage Tool is a good resource to determine which agent you need.
If you use the
Software Update on the MX and are running Oracle Enterprise Linux UEK, use the tool to determine the agent.
When updating the agent package in
Software Update, it may not report the full name for OEL UEK version.
An example is that for OEL v6 UEK there are three different kernel versions (v2, v3, and v4), and all three show as OEL v6.
I've found it is easier to just download all three agent packages and then attempt to upload each one to the MX.