https://community.cloudera.com/t5/Support-Questions/Installation-failed-Failed-to-receive-heartbeat-from-agent/m-p/59249#M50869 <P>your /etc/hosts file should be like this&nbsp;</P><P>&nbsp;</P><PRE>192.168.121.11 cluster1</PRE><P>also change your hostname to cluster1&nbsp;</P><P>/etc/hostname&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P><P>finally if its a test enviroment either disable the firewall or change the rules accordingly .&nbsp;</P><P>this should fix you the problem.&nbsp;</P><P>are you configuring single or multi node cluster ?</P> Sun, 27 Aug 2017 06:36:10 GMT csguna 2017-08-27T06:36:10Z