摘要：服务器重启了一下，mysql启动时出现:#/etc/init.d/mysqld restartERROR! MySQL PID file could not be found!Starting MySQL................................... ERROR!此时如果ps看下，会发现mysql已有进程占用#ps -ef|grep mysql解决办法：#ps -ef |grep mysql|awk '{print $2}'|xargs kill -9 之后重启mysql,一切正常。具体原因不知，各位遇到时，不妨先分析下下/var/mysql/log/x 阅读全文