众所周知,Postgres 8.1 分别发行了 Linux和Windows 两个版本,所以,介绍远程连接的主题时,也是分别介绍这两个系统上是如何实现的。 其实,windows版比linux版的步骤少一些。 一、实现远程连接Linux上的PostgreSQL服务器。 主要分两个步骤: 1要使Linux上
众所周知,Postgres 8.1 分别发行了 Linux和Windows 两个版本,所以,介绍远程连接的主题时,也是分别介绍这两个系统上是如何实现的。
其实,windows版比linux版的步骤少一些。
一、实现远程连接Linux上的PostgreSQL。
主要分两个步骤:
要使Linux上的PostgreSQL打开 “unix的tcpip套接子”。
编辑 $POSTGRES/data/postgresql.conf 文件,
将tcpip_socket=off改成tcpip_socket=on即可。
设置远程访问认证机制。
编辑 $POSTGRES/data/pg_hba.conf 文件,
这个文件上面一大堆都是介绍如何使用这个文件使进行配置的,
最下面才是真正让我们填写东西的地方。
其中,有一行注释:
# TYPE DATABASE USER CIDR-ADDRESS METHOD
说明每一行有五个字段,
分别是:连接类型、可使用的名、使用者、DIDR地址、和验证方法等五项。
下面,我只介绍一些针对每个字段常用的选项。
字段一:TYPE。
可以选择:local或host。
前者只能允许本地的用户登陆Postgres数据库;后者可以接受远程客户登陆。所以,
我们应该使用“host”。
字段二:DATWABSE。
连接用户可以使用的数据库名字。可以使Postgres的一个具体的
数据库名,也可以使用“all”来允许用户访问所有数据库。
字段三:USER。
可以指定某个具体的用户来连接Postgres数据库(还要结合后面的地址字段),
也可以使用“all”来允许所有用户连接数据库。

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