linux安装mysql5.7

1. 参考资料https://dev.mysql.com/doc/refman/5.7/en/linux-installation-yum-repo.html#yum-repo-installing-mysql
2. rpm下载地址https://dev.mysql.com/downloads/file/?id=470280
3. 下面都是在root权限下操作，安装rpm，执行命令yum localinstall mysql57-community-release-el6-11.noarch.rpm
4. yum install mysql-community-server
5. service mysqld start（可能会失败）再试一次
6. service mysqld status （查看状态）
7. grep ‘temporary password’ /var/log/mysqld.log 查看密码
8. mysql -uroot -p登录，输入密码
9. ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘newword’;
10. 结束