Hi, I have installed ambari-server following this link http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.0/bk_Installing_HDP_AMB/content/_download_the_ambari_repo_ubuntu14.html Everything went well, except I am not able to start. I am getting the following response. "p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Monaco; color: #f4f4f4; background-color: #000000; background-color: rgba(0, 0, 0, 0.85)} span.s1 {font-variant-ligatures: no-common-ligatures; color: #34bc26} span.s2 {font-variant-ligatures: no-common-ligatures} span.s3 {font-variant-ligatures: no-common-ligatures; color: #5230e1} ubuntu@ip-172-31-30-230:~$ sudo ambari-server start Using python /usr/bin/python2.7 Starting ambari-server Ambari Server running with administrator privileges. About to start PostgreSQL Organizing resource files at /var/lib/ambari-server/resources... Server PID at: /var/run/ambari-server/ambari-server.pid Server out at: /var/log/ambari-server/ambari-server.out Server log at: /var/log/ambari-server/ambari-server.log Waiting for server start....No passwd entry for user 'admin' ..... ERROR: Exiting with exit code -1. REASON: Ambari Server java process died with exitcode -1. Check /var/log/ambari-server/ambari-server.out for more information. It says to check ambari-server.out where as this file was never created, but I do have ambari-server.log, but it doesn't have any exception or information. Please find below is the content of the log. p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 10.0px Monaco; color: #f4f4f4; background-color: #000000; background-color: rgba(0, 0, 0, 0.85)} span.s1 {font-variant-ligatures: no-common-ligatures} 06 Nov 2016 09:45:25,915 INFO [main] Configuration:657 - Generation of file with password 06 Nov 2016 09:45:27,185 INFO [main] Configuration:670 - Reading password from existing file 06 Nov 2016 09:45:28,281 INFO [main] Configuration:670 - Reading password from existing file 06 Nov 2016 09:45:29,401 INFO [main] Configuration:670 - Reading password from existing file 06 Nov 2016 09:45:30,555 INFO [main] Configuration:670 - Reading password from existing file 06 Nov 2016 09:45:31,700 INFO [main] Configuration:670 - Reading password from existing file 06 Nov 2016 09:45:32,331 INFO [main] ViewExtractor:82 - Creating archive folder /var/lib/ambari-server/resources/views/work/ADMIN_VIEW{2.1.2}. 06 Nov 2016 09:45:32,333 INFO [main] ViewExtractor:89 - Extracting files from ambari-admin-2.1.2.377.jar. 06 Nov 2016 09:45:33,035 INFO [main] Configuration:670 - Reading password from existing file Please advice, thanks in advance! ... View more