启动MySQL时报错:
MySQL server PID file could not be found!
ERROR! The server quit without updating PID file(/var/lib/mysql/L1.id)

我用如下方法解决了这个问题:

sudo vim /etc/selinux/config

将SELINUX=enforcing改为disabled

centos7启动MySQL时报错:MySQL server PID file could not be found!

然后重新启动虚拟机就好了。

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