I found a workaround only for client nodes, after install ambari-agent manually, stop the ambari-agent, change the python file /usr/lib/python2.6/site-packages/ambari_agent/Facter.py like this: # Returns the OS name def getKernel(self): #return platform.system() return "ubuntu14" # Returns the OS version def getOperatingSystemRelease(self): #return OSCheck.get_os_version() return "14.04" delete the python file /usr/lib/python2.6/site-packages/ambari_agent/Facter.pyc and restart the ambari-agent ... View more