Hello,   This page lists the supported operating systems for CDH5. There are no 32-bit OS's supported, you would need to use a 64-bit OS. This should explain the error you're seeing.   CDH4 does have some limited provision for 32-bit OS's as noted in its documentation, however the 32-bit limited provisions only pertain to RHEL/Cent/SL 6.2 and not 6.5 which you report that you are using.   Cloudera Manager 4 and Cloudera Manager 5 both require 64-bit OS's as well, as I believe you already noted.   Regards, -- ... View more