官方下载地址：https://dev.mysql.com/doc/refman/8.0/en/linux-installation-yum-repo.html
1.yum -version,未安装则执行 yum install
2.wget http://dev.mysql.com/get/mysql80-community-release-el8-1.noarch.rpm
yum install mysql80-community-release-el8-1.noarch.rpm
yum repolist all | grep mysql
3.安装
yum install mysql-community-server
执行后报错找不到…，执行以下语句
yum install mysql-server mysql-devel
查看版本
mysqladmin --version
启动
systemctl start mysqld
4.修改时区
vim /etc/my.cnf.d/mysql-server.cnf
default-time-zone=’+8:00’
5.修改root密码
mysql -uroot -p
use mysql;
update user set authentication_string=’’ where user=‘root’;
alter user ‘root’@‘localhost’ identified by ‘123456’;
flush privileges;
新增用户
create user ‘test1’@’%’ identified by ‘123456’;
flush privileges;
授权
grant all privileges on . to ‘test1’@’%’;
flush privileges;
