I am a Linux Administrator in Hong Kong, specialized in RHEL administration as well as IAAS cloud deployment. :-)
Cloudera manager agent installation fail due to missing of ntp package
So was trying to explore Cloudera Hadoop by following this installation guide and run into issue in bringing up cloudera manager agent (cloudera-scm-agent).
The installation GUI was complaining with below message
Installationfailed.Failedtoreceiveheartbeatfromagent.Ensurethatthehost's hostname is configured properly.Ensurethatport7182isaccessibleontheClouderaManagerServer(checkfirewallrules).Ensurethatports9000and9001arefreeonthehostbeingadded.Checkagentlogsin/var/log/cloudera-scm-agent/onthehostbeingadded(someofthelogscanbefoundintheinstallationdetails).
So looking at /var/log/cloudera-scm-agent/cloudera-scm-agent.log