make world sudo su make install world mkdir -p /usr/local/pgsql/data chown jian /usr/local/pgsql/data su - jian /usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data /usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data -l logfile start /usr/local/pgsql/bin/createdb test /usr/local/pgsql/bin/psql test