我在Xenial上,有MySQL 5.7.12。我不记得在安装过程中设置了任何密码(如果它要求的话,我提供了一个空密码)。用sudo dpkg-reconfigure mysql-server-5.7重新配置什么都不起作用,我明白如下:
Checking if update is needed.This installation of MySQL is already upgraded to 5.7.12, use --force if you still need to run mysql</e