#以运行MySQL服务器（例如mysql）的用户身份登录sumysql#停止MySQL服务器kill`cat/var/lib/mysql/host_name.pid`#或kill`cat/var/run/mysqld/host_name.pid`#orkill`cat/usr/local/mysql/data/host_name.pid`创建一个启动文件来更改密码vim/home/me/mysql-initALTERUSER'root'@'localhost'IDENTIFIEDBY'MyNewPass';#使用启动文件启动MySQL服务器mysqld--init-file=/home/me/mysql-init#删除启动文件rm/home/me/mysql-init#停止MySQLserverkill`cat/var/lib/mysql/host_name.pid`#启动MySQLserversystemctlstartmysqld参考：https://dev.mysql.com/doc/ref...
