ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

输入： ps -A | grep -i mysql

例如 

10507 pts/0    00:00:00 mysqld_safe
10839 pts/0    00:00:00 mysqld
30084 ?        00:02:23 mysqld

然后用kill -9 杀死所有的线程

输入

kill -9 10507

 kill -9 10839

kill -9 30084

然后输入/etc/init.d/mysql restart 

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