背景：CentOS 7
一、在线yum安装
1 yum -y install https://download.postgresql.org/pub/repos/yum/9.5/redhat/rhel-7-x86_64/pgdg-centos95-9.5-2.noarch.rpm 2 yum -y install postgresql95-server stgresql95-odbc postgresql95-devel
二、初始化数据库
/usr/pgsql-9.5/bin/postgresql95-setup initdb
三、配置环境变量
1 export PKG_CONFIG_PATH=/usr/pgsql-9.5/lib/pkgconfig 2 export PATH=/usr/pgsql-9.5/bin:$PATH
四、添加开机启动
systemctl enable postgresql-9.5.service
五、启动服务
systemctl start postgresql-9.5.service