Postgresql数据库的安装指引

概述1、解压数据库 cd /usr/local/src tar -jxvf postgresql-8.4.14.tar.bz2 2、进入数据库文件   cd postgresql-8.4.14 　 将数据库安装指定到特定的目录postgresql 　 (postgresql文件夹是新建)   ./configure --prefix=/usr/local/postgresql/ 有可能出现以下报错提示

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@H_301_4115@ 8、再次启动postgresql @H_301_4115@9、数据库的启动与关闭 @H_301_4115@11、数据库的一些相关配置

1、解压数据库

cd /usr/local/src

tar -jxvf postgresql-8.4.14.tar.bz2

2、进入数据库文件

cd postgresql-8.4.14

将数据库安装指定到特定的目录postgresql

(postgresql文件夹是新建)

./configure --prefix=/usr/local/postgresql/

有可能出现以下报错提示找不到readline，但readline已经安装，说明缺少了readline-devel可通过yum安装

Ａ、配置/etc/yum.repos.d/rhel-deBUGinfo.repo (注意linux版本不一样配置也会有所不同)

[base]

name=Server Local Sources

baseurl=file:///media/rhel/Server

enable=1

gpcheck=1

gpgkey=file:///media/rhel/RPM-GPG-KEY-redhat-release

Ｂ、挂载光驱的系统盘

新建一个目录用于挂载点：mkdir /media/rhel

mount /dev/cdrom /media/rhel

Ｃ、验证挂载是否成功查看df -Th

Ｄ、yum安装相关软件

yum makecache 清理缓存

yum install readline -devel

yum install read*

3、编译&安装

gmake

gmake install

4、增加postgresql专用用户

useradd postgres

5、切换postgres用户之前，先建立数据目录data并赋给postgres用户

mkdir /postgresql/data

chown postgres /usr/local/postgresql/data

su - postgres

6、初始化目录数据

/usr/local/postgresql/bin/initdb -D /usr/local/postgresql/data

/usr/local/postgresql/bin/postgres -D /usr/local/postgresql/data >logfile 2>&1 &

7、启动postgresql数据库

/usr/local/postgresql/bin/postgres -D /usr/local/postgresql/data

启动报如下错误

LOG: Could not translate host name "localhost",service "5432" to address: name or service not kNown

WARNING: Could not create Listen socket for "localhost"

FATAL: Could not create any TCP/IP sockets

解决办法是：修改/etc/hosts

增加了　　127.0.0.1 localhost localhost.localdomain

/usr/local/postgresql/bin/postgres -D /usr/local/postgresql/data

出现如下提示，说明数据库安装成功

LOG:database system was shut down at 2012-12-10 10:22:40 CST

LOG:database system is ready to accept connections

LOG:autovacuum launcher started

8、以后台服务方式启动之前，切换到root在/usr/local/postgresql/data/创建logfile文件，并赋用户postgres

$su - root

touch /usr/local/postgresql/data/logfile

chown postgres logfile

/usr/local/postgresql/bin/postgres -D /usr/local/postgresql/data >logfile 2>&1 &

$ cd /usr/local/postgresql/bin

./pg_ctl -D /usr/local/postgresql/data start

./pg_ctl -D /usr/local/postgresql/data stop

10、创建数据库及连接数据库

/usr/local/pgsql/bin/createdb test

/usr/local/pgsql/bin/psql test

允许远程连接

postgresql因为安全方面的考虑，默认情况下只接受本机的连接。为了管理的方便，我们需要开通远程连接。

修改data/postgresql.conf，增加：

650) this.width=650;" border="0" src="http://img.jb51.cc/vcimg/static/loading.png" alt="122248753.png" src="http://img1.51cto.com/attachment/201212/122248753.png">

修改监听端口：

650) this.width=650;" border="0" src="http://img.jb51.cc/vcimg/static/loading.png" alt="122349307.png" src="http://img1.51cto.com/attachment/201212/122349307.png">

修改data/pg_hba.conf，增加md5那一行：

650) this.width=650;" border="0" src="http://img.jb51.cc/vcimg/static/loading.png" alt="122439806.png" src="http://img1.51cto.com/attachment/201212/122439806.png">

然后重启posgtres。

修改配置后马上生效不重启：

cd /usr/local/postgresql/bin

pg_ctl reload

12、把Postgres服务设置为自动启动

进入postgresql的源代码解压目录:cd /usr/local/src/postgresql-8.4.14

#cp contrib/start-scripts/linux /etc/init.d/postgresql

#chmod a+x /etc/init.d/postgresql

#cd /etc/init.d/

#chkconfig --add postgresql

#chkconfig postgresql --level 345 on

13、在postgresql中创建用户，并设置数据库

create database test owner test;

这样就设置了一个数据库叫test，并且它的拥有者是一个叫test的用户

总结

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