centos 安装mysql

1、下载对应rpm包 

wget https://dev.mysql.com/get/mysql80-community-release-el6-1.noarch.rpm

2、.安装用来配置mysql的yum源的rpm包

rpm -Uvh mysql57-community-release-el6-9.noarch.rpm 

3、安装

yum install mysql-community-server   

不起作用时：yum install mysql-server

4、开启mysql 服务

service mysqld start

5、查看超级用户root密码 

grep 'temporary password' /var/log/mysqld.log

6、修改密码

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';