>psql: FATAL: IDENT authentication failed for user "ezpublish"
This might help, or you may want to check or post your pg_hba.conf.
http://archives.postgresql.org/pgsql-sql/2004-03/msg00202.php
(or
http://www.postgresql.org/docs/7.4/interactive/auth-methods.html#AUTH-IDENT)
HTH,
Ben Kim / Developer
College of Education
Texas A&M University