@Simon Wang 1. For the Error "https://hdp.localdomain.localdomain.localdomain.localdomain.localdomain:8440" - Try upgrading openssl to latest version. $yum upgrade openssl My working openssl version is - openssl-1.0.1e-15.el6.x86_64 2. Also please modify /etc/hosts file as below - and give retry 127.0.0.1 localhost.localdomain localhost ::1 localhost.localdomain localhost 192.168.1.115 hdp ... View more