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

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

出现该问题时：

1.find / -name '*.sock' 用该命令找到mysql.sock的正确位置

2.创建连接 ln -s /tmp/mysql.sock /var/lib/mysql/mysql.sock

但是前提在/var/lib下有mysql文件夹，如果没有需先新建