@hadoopuser2000,   Are you still having trouble?  The screen shots indicate you need to uninstall before installing again, so I'd try that. I wasn't clear how the screen shots were related to the problem connecting to CM.   First, make sure CM is running;   # netstat -nap |grep 7180   If you see that it is listening, make sure that you can connect to the host on which Cloudera Manager is installed from whatever client you are using to connect to Cloudera Manager. By public address, the doc means that you should use whatever hostname will resolve to an IP that lets you connect to that host and port.     ... View more