userdel -r aillo
useradd 用户名
su postgres
cd /usr/local/pgsql/bin/
./pg_ctl -D /usr/local/pgsql/data -l /usr/local/pgsql/data/logfile start
./psql
useradd 用户名
su postgres
cd /usr/local/pgsql/bin/
./pg_ctl -D /usr/local/pgsql/data -l /usr/local/pgsql/data/logfile start
./psql