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PostgreSQL在Ubuntu上安装指南

Jun 07, 2016 pm 04:57 PM
postgresql ubuntu installation

安装环境: Ubuntu 10.04-desktop-i386 PostgreSQL 8.4 1. 安装PostgreSQL 输入如下命令 sudo apt-get insta

  安装环境:

  Ubuntu 10.04-desktop-i386

  PostgreSQL 8.4

  1. 安装PostgreSQL

  输入如下命令

  sudo apt-get install postgresql

  系统会提示安装所需磁盘空间,,输入"y",安装程序会自动完成。 安装完毕后,系统会创建一个数据库超级用户“postgres”, 密码为空。这个用户既是不可登录的操作系统用户,也是数据库用户。

  2. 修改Linux用户postgres的密码

  输入如下命令

  sudo passwd postgres

  3. 修改数据库超级用户postgres的密码

  1) 切换到Linux下postgres用户

  sudo su postgres

  2) 登录postgres数据库

  psql postgres

  这样你会看到postgres提示信息如下:

  psql (8.4.4)

  Type "help" for help.

  并出现postgres的命令行提示符号:

  postgres=#

  3) 输入如下命令

  ALTER USER postgres with PASSWORD 'password'

  键入“exit”返回到Linux命令行。

linux

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