1、启动mysql服务

    systemctl start mysqld.service

2、停止mysql服务

    systemctl restart mysqld.service

3、重启mysql服务

    systemctl restart mysqld.service

4、查看mysql服务当前状态

    systemctl status mysqld.service

5、设置mysql服务开机自启动

    systemctl enable mysqld.service

6、停止mysql服务开机自启动

    systemctl disable mysqld.service