1、配置安装源
yum install https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
2、安装MYSQL8
yum install mysql-community-server
3、启动MYSQL8
service mysqld start
4、查看初始化密码
grep 'temporary password' /var/log/mysqld.log
5、登录mysql8
mysql -uroot -p
6、修改密码
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
7、设置允许所有ip访问MYSQL8
切换数据库:use mysql;
查看用户:select host, user, authentication_string, plugin from user;
update user set host='%' where user='root';
8、刷新权限
FLUSH PRIVILEGES;
9、放行端口
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload
10、修改加密规则
set global validate_password.policy=0;
set global validate_password.length=5;
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