linux 下怎么看postgresql安装到哪个目录了

2024-12-05 06:15:26
推荐回答(2个)
回答1:

进入/opt/pgsql-9.1.7目录可以看到安装后的postgresql的文件。

linux下安装PostgreSQL数据库步骤如下:

0.编译环境

  • Linux: CentOS 5.5

  • gcc: 4.1.2

  • 1. 安装PostgreSQL

    1) 解压postgresql-9.1.7.tar.bz2

    #tar jxvf postgresql-9.1.7.tar.bz2

     

    2) 进入解压后的postgresql-9.1.7目录

    #cd postgresql-9.1.7

    3) 编译postgresql源码

    #./configure --prefix=/opt/pgsql-9.1.7

    #make

    #make install

    至此,完成postgresql的安装。进入/opt/pgsql-9.1.7目录可以看到安装后的postgresql的文件。

    #ls /opt/pgsql-9.1.7

    2.创建postgresql数据库

    1) 创建postgres用户

    #useradd postgres

    修改postgres密码

    #passwd postgres

    2) 设置postgres用户的环境变量

    切换到postgres用户

    #su - postgres

    进入postgres的主目录

    #cd ~

    编辑~/.bash_profile文件

    #vi ~/.bash_profile

    设置以下的环境变量

    export PGHOME=/opt/pgsql-9.1.7

    export PGDATA=~/data

    保存,退出vi。执行以下命令,使环境变量生效

    #source ~/.bash_profile

    3) 初始化postgres数据库

    #initdb

    至此,完成postgres数据库的初始化。

    4) 启动postgres数据库实例

    #pg_ctl start

    可以看到postgresql数据库实例已经启动,通过下面的命令可以查看系统中运行的postgres进程

    #ps -ef | grep postgres

    5) 连接postgresql数据库

    #psql -h 127.0.0.1 -d postgres -U postgres

    6) 停止postgresql数据库实例

    #pg_ctl stop

    #ps -ef |  grep postgres

    可以看到已经没有postgres进程

    3. 设置PostgreSQL开机自启动

    PostgreSQL的开机自启动脚本位于PostgreSQL源码目录的contrib/start-scripts路径下

    linux文件即为linux系统上的启动脚本

    1)修改linux文件属性,添加X属性

    #chmod a+x linux

    2) 复制linux文件到/etc/init.d目录下,更名为postgresql

    #cp linux /etc/init.d/postgresql

    3)修改/etc/init.d/postgresql文件的两个变量

    prefix设置为postgresql的安装路径:/opt/pgsql-9.1.2

    PGDATA设置为postgresql的数据目录路径:

    4) 执行service postgresql start,就可以启动PostgreSQL服务

    #service postgresql start

    5)设置postgresql服务开机自启动

    #chkconfig --add postgresql

    执行上面的命令,就可以实现postgresql服务的开机自启动。

回答2:

OS:suselinux11(64bit)
PostgreSQL:PostgreSQL9.1(64bit)
1、建用户及目录
linux:/home # groupadd postgres
linux:/home # useradd postgres -g postgres
linux:/home # mkdir /home/postgres
linux:/home # chown postgres:postgres /home/postgres
linux:/home # passwd postgres
2、用root运行安装(不能以postgres运行安装)
linux:/opt # mkdir /opt/PostgreSQL
linux:/opt # chown postgres:postgres /opt/PostgreSQL
linux:/opt/PostgreSQL # chmod +x postgresql-9.1.1-1-linux-x64.bin
linux:/opt/PostgreSQL # ./postgresql-9.1.1-1-linux-x64.bin
----------------------------------------------------------------------------
Welcome to the PostgreSQL Setup Wizard.
----------------------------------------------------------------------------
Please specify the directory where PostgreSQL will be installed.
Installation Directory [/opt/PostgreSQL/9.1]:
----------------------------------------------------------------------------
Please select a directory under which to store your data.
Data Directory [/opt/PostgreSQL/9.1/data]:
----------------------------------------------------------------------------
Please provide a password for the database superuser (postgres). A locked Unix
user account (postgres) will be created if not present.
Password :
Retype password :
----------------------------------------------------------------------------
Please select the port number the server should listen on.
Port [5432]:
----------------------------------------------------------------------------
Advanced Options
Select the locale to be used by the new database cluster.
Locale
[1] [Default locale]
[2] C
[3] POSIX
...
[441] zu_ZA
[442] zu_ZA.utf8
Please choose an option [1] :
----------------------------------------------------------------------------
Setup is now ready to begin installing PostgreSQL on your computer.
Do you want to continue? [Y/n]: y
----------------------------------------------------------------------------
Please wait while Setup installs PostgreSQL on your computer.
Installing
0% ______________ 50% ______________ 100%
########################################
----------------------------------------------------------------------------
Setup has finished installing PostgreSQL on your computer.
3、相关配置
(1)环境变量
postgres@campost:~> vi .profile(new file)
export PGSQL_HOME=/opt/PostgreSQL/9.1
export PATH=$PGSQL_HOME/bin:$PATH
#export PGDATAS=$PGSQL_HOME/datas
export PGDATA=$PGSQL_HOME/data
export PGDATABASE=postgres
export PGUSER=postgres
#export PGPORT=1234
export PGLOCALEDIR=$PGSQL_HOME/share/locale
export MANPATH=$MANPATH:$PGSQL_HOME/share/man
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PGSQL_HOME/lib
postgres@campost:~> . .profile
配置如上环境表里之后,可以使用psql连接数据库:
postgres@campost:/opt/PostgreSQL/9.1/data> psql
Password:
psql.bin (9.1.1)
Type "help" for help.
postgres=# help
You are using psql, the command-line interface to PostgreSQL.
Type: \copyright for distribution terms
\h for help with SQL commands
\? for help with psql commands
\g or terminate with semicolon to execute query
\q to quit
postgres=#
(2)网络配置
加网络信任关系:
----详细信息请参考PostgreSQL document,20.1. pg_hba.conf 文件
vi /opt/PostgreSQL/9.1/data/pg_hba.conf
添加一行:host all all trust
重启数据库:
postgres@campost:~> pg_ctl restart
waiting for server to shut down.... done
server stopped
server starting
此时可以用PgAdmin远程登录postgres用户了,此时只有一个库postgres。

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