Is anywhere where IP adress of the server must be set? Because im doing upgrade on test and this is copy of the VM of production (upgrading Jira PostgreSQL)...Checks when Postgres 9.2.15 running gives me ok when i stop both instances and try to upgrade i have error what i writed. Can you be please more specific what can i do? directory /run/postgresql when Postgres 9.2.15 running contains this : pg_upgrade_internal.log pg_upgrade_server.log pg_upgrade_utility.log and how can i make local UNIX connections trusted in pg_hba.conf? pg_hba.conf contains this : # TYPE DATABASE USER ADDRESS METHOD # "local" is for Unix domain socket connections only #local all all peer # IPv4 local connections: #host all all 127.0.0.1/32 ident # IPv6 local connections: #host all all ::1/128 ident # Allow replication connections from localhost, by a user with the # replication privilege. #local replication postgres peer #host replication postgres 127.0.0.1/32 ident #host replication postgres ::1/128 ident local all all trust host all all 127.0.0.1/32 trust Thanks for help -- Sent from: http://www.postgresql-archive.org/PostgreSQL-general-f1843780.html