mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
解决办法 vi /etc/my.cnf 把 [mysqld_safe] err-log=/var/log/mysqld.log pid-file=/var/lib/run/mysql/mysqld.pid 改成 [mysqld_safe] err-log=/var/log/mysqld.log pid-file=/var/lib/mysql/mysqld.pid
