PostgreSQLforLinux安装方式

1、环境规划

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目录名称	存放位置
Postgres 用户家目录	/home/postgres
软件存放目录	/home/soft
安装目录	/usr/local
数据目录	/home/postgres/data/

2、安装流程
2.1 解压安装
在操作系统安装完成后，按照表格规划目录。
1)安装部署参考文档
下载页:https://www.enterprisedb.com/download-postgresql-binaries
软件包:postgresql-10.7-2-linux-x64-binaries.tar.gz
2)创建 postgre 安装用户

useradd postgres
passwd postgres

3)创建 postgre 安装目录及数据目录

mkdir -p /home/postgres/data/
chown -R postgres:postgres  /home/postgres/data/
chmod -R 775 /home/postgres/data/

4)解压安装

tar -xvf postgresql-10.8-4-linux-x64-binaries.tar -C /home/postgres/
[root@leo postgres]# chmod -R 777 pgsql
[root@leo postgres]# ll
total 12
drwxrwxrwx 9 root root 4096 Apr 10 03:24 pgsql 
drwx------ 19 postgres postgres 4096 Apr 15 11:33 pgsql_data

5)初始化数据库

[postgres@leo bin]$cd /home/postgres/pgsql/bin
[postgres@leo bin]$ ./initdb -D /home/postgres/data/
The files belonging to this database system will be owned by user "postgres". This user must also own the server process.
The database cluster will be initialized with locale "en_US.UTF-8". The default database encoding has accordingly been set to "UTF8". The default text search configuration will be set to "english".
Data page checksums are disabled.
fixing permissions on existing directory /home/postgres/data ... ok creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 128MB
selecting dynamic shared memory implementation ... posix creating configuration files ... ok
running bootstrap script ... ok
performing post-bootstrap initialization ... ok
syncing data to disk ... ok
WARNING: enabling "trust" authentication for local connections
You can change this by editing pg_hba.conf or using the option -A, or --auth-local and --auth-host, the next time you run initdb.
Success. You can now start the database server using: ./pg_ctl -D /home/postgres/data/ -l logfile start

6)启动数据库

[postgres@leo bin]$ ./pg_ctl -D /home/postgres/data/ -l logfile start 
waiting for server to start.... done
server started

7)停止数据库

./pg_ctl -D /home/postgres/data/ stop

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