centos8.0安装mysql8.0

检查是否安装，如果安装则卸载

rpm -qa|grep mysql
rpm -e --nodeps

下载rpm包仓库

wget https://repo.mysql.com/mysql80-community-release-el8-1.noarch.rpm

rpm -ivh mysql80-community-release-el8-1.noarch.rpm

yum update

yum install mysql-server

systemctl start mysqld

systemctl enable mysqld

systemctl status mysqld

systemctl enable mysqld.service

mysql

use mysql;

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'tw369.com';

FLUSH PRIVILEGES;

mysql -uroot -p

设置Mysql远程访问账户密码

update user set host ="%" where user = "root"; 

flush privileges;