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

[root@Hadoop etc]# /etc/rc.d/init.d/mysqld status
mysqld is stopped
[root@Hadoop etc]# find / -name mysql.sock
/tmp/mysql.sock

问题为运行mysql的提示是：

[root@Hadoop mysql]# mysql

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)