Cloudera manager url is not opening

[#1]

Hi

I am trying to install Cloudera Manager. Web URL is not opening

1> scm -server and agent services are running.

 [root@instance-1 java]# service cloudera-scm-server status
cloudera-scm-server (pid 7430) is running...

[root@instance-1 java]# service cloudera-scm-agent status
cloudera-scm-agent (pid 7748) is running...

2> agent node and server nodes are communicating.

3> I am using  google cloud compute engine to create VM's

Please help

3> URL is not opening on the scm server host itself.

[root@instance-1 java]# curl
curl: (7) couldn't connect to host

[#2]

Hello @tjangid 

Thanks for your response. 

I was using Google Cloud to access to Cloudera port by using my external url + :port number.

http://<external url>:7180

How to access #curl -u?

Thanks,