1.由來:暴力重啟了MySQL所在服務器(正常先停MySQL服務,再重啟),導致啟動的時候報錯Starting MySQL.... ERROR! The server quit without updating PID file (/var/run/mysqld/mysqld.pid)【即Can't start server: can't check PID filepath: No such file or directory】
2.解決:
2.1 mkdir /var/run/mysqld
2.2 chmod 777 /var/run/mysqld
2.3 service mysql start