[Solved] Use a different port or change the port of postgresql-9.5 on CentOS 6

1. Modify the /var/lib/pgsql/9.5/data/postgresql.conf. 

      Uncomment and change listen_addresses = 'localhost' to listen_addresses = '*'.
      Uncomment and change port=5432 to post=<your port>

2. Create or modify the /etc/sysconfig/pgsql/postgresql-9.5 file.

      Add the following to the file.
            PGPORT=<your port>

            export PGPORT 

3. Start the database server.

      su - postgres

      /usr/pgsql-9.5/bin/pg_ctl -D /var/lib/pgsql/9.5/data -l logfile start

4. Launch the psql prompt

      psql -p <your port>

 

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