I am facing below issue even after upgrading ambari-server,ambari agent, openssl,rebooting ambari,ssh ERROR 2016-09-20 09:48:52,494 NetUtil.py:77 - [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590) ERROR 2016-09-20 09:48:52,495 NetUtil.py:78 - SSLError: Failed to connect. Please check openssl library versions. Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1022468 for more details. WARNING 2016-09-20 09:48:52,495 NetUtil.py:105 - Server at https://localhost:8440 is not reachable, sleeping for 10 seconds... ', None) Connection to localhost closed. SSH command execution finished host=localhost, exitcode=0 Command end time 2016-09-20 09:48:54 Registering with the server... Registration with the server failed. Can anyone pls help me? I am using ubuntu 16 OS ... View more