centos7安装mysql

1，下载mysql的repo源

wget  https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm

2，安装源

yum localinstall xx.rpm

3，安装mysql

yum install mysql-community-server

4，启动mysql

service mysqld start

5，查看状态

service mysqld status

 6，查看默认密码

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

7，修改默认密码

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