今天安装完mysql，运行不了：
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) ERROR 2002 (HY000): Can't c
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) ERROR 2002 (HY000): Can't c
