I install postgres 9.6.5 on CentOS 6.8.
However, i am not able to init the database due to the following error.
A bug (http://www.postgresql-archive.org/BUG-8139-initdb-Misleading-error-message-when-current-user-not-in-etc-passwd-td5754618.html)
was reported with similar problem with but that was for pg 9.2.4
Thanks
sandeep