我对mysql用户权限进行了更改,由于某种莫名其妙的原因,除了mysql安装数据库之外,我再也看不到所有的数据库了。这是一个我不太熟悉的mysql层。我知道DB是存在的,但出于某种奇怪的原因,我不能将它们看作root。mysql> SHOW GRANTS FOR 'root'@'localhost';
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当我运行sudo service mysql start时,它会说: Job for mysql.service failed because a fatal signal was deliveredSee "systemctl status mysql.service" and "journalctl -xe" for details.当我运行systemctl status mysql.service时,它显示: mysql.service - MySQ