Centos75 安装 postgresql11

切换到root账户，

#安装yum 源

yum install https://download.postgresql.org/pub/repos/yum/11/redhat/rhel-7-x86_64/pgdg-centos11-11-2.noarch.rpm

#安装postgresql11

yum install postgresql11

yum install postgresql11-server

#初始化

/usr/pgsql-11/bin/postgresql-11-setup initdb

#开机开启

systemctl enable postgresql-11

#启动db

systemctl start postgresql-11

#登录postgresql并设置密码

su - postgres

psql

#修改密码为dbpasswd

ALTER USER postgres WITH PASSWORD 'dbpasswd';

#退出psql

\q

#退出bash

exit

#修改支持远程登录

vi /var/lib/pgsql/11/data/postgresql.conf

#其中设置 listen_addresses = '*'

vi /var/lib/pgsql/11/data/pg_hba.conf

#最后一行增加

host all all 0.0.0.0/0 md5

#修改后保存，重启postgresql

systemctl restart postgresql-11

#创建db、创建用户、分配权限

CREATE DATABASE testdb;

CREATE USER testuser CREATEDB LOGIN PASSWORD 'dbpasswd';

GRANT ALL ON DATABASE testdb TO testuser;

#删除db、删除用户

drop database testdb;

drop role testuser;