Linux下的mysql安装

(推介方式)在线安装mysql:

https://www.linode.com/docs/databases/mysql/how-to-install-mysql-on-centos-7/

离线安装mysql:

https://www.cnblogs.com/yy3b2007com/p/10497787.html

Linux下mysql安装包的下载，搜狐镜像：http://mirrors.sohu.com/mysql/MySQL-5.7/?C=M&O=A，官网下载太慢

mysql升级参考：

https://blog.mrabit.com/details/52

修改mysql密码：

5.7以上的版本：

use mysql;

update user set authentication_string=PASSWORD("your password") where User="root";

开启远程访问：

grant all privileges on *.* to root@'%' with grant option;

修改数据文件目录：

https://blog.csdn.net/zhanjianshinian/article/details/38169891

连接mysql库报Table ‘performance_schema.session_variables’ doesn’t exist，解决方法：

在CentOS7中，使用

systemctl stop mysqld.service

systemctl start mysqld.service