数据库用户不同于操作系统用户。如果在数据库中更改postgres的密码，操作系统用户仍然没有密码。 不过，我...
pg_ctl reload [-D DATADIR] [-s] pg_ctl status [-D DATADIR] pg_ctl promote [-D DATADIR] [-W] [-t SECS] [-s] pg_ctl logrotate [-D DATADIR] [-s] pg_ctl kill SIGNALNAME PID Common options: -D, --pgdata=DATADIR location of the database storage area ...