yum install -y https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7.2-x86_64/pgdg-centos96-9.6-3.noarch.rpm
yum install -y postgresql96-server postgresql96-contrib
3、初始化数据库
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/usr/pgsql-9.5/bin/postgresql95-setup initdb
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4、设置开机自启动
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systemctl enable postgresql-9.5.service
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5、启动服务
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systemctl start postgresql-9.5.service
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6、查看版本

PostgreSQL 9.5安装配置
1、修改用户密码
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su - postgres
psql -U postgres
ALTER USER postgres WITH PASSWORD '123456'
\q
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2、开启远程访问
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vi /var/lib/pgsql/9.5/data/postgresql.conf
修改#listen_addresses = 'localhost' 为 listen_addresses='*'
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3、信任远程连接
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vi /var/lib/pgsql/9.5/data/pg_hba.conf
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修改如下内容,信任指定服务器连接
# IPv4 local connections:
host all all 127.0.0.1/32 ident
host all all 192.168.137.1/32(需要连接的服务器IP) trust
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4、重启服务
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systemctl restart postgresql-9.5.service
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