laravel5 php artisan migrate error

Problem:
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[PDOException] occurs when i try to running php artisan migrate in laravel5

looks like here:

MacBook-Pro:laravel5-project user$ php artisan migrate:refresh --seed

                                                    

  [PDOException]                                    

  SQLSTATE[HY000] [2002] No such file or directory  

Solution:
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change host name in .env file
from:
DB_HOST=local host
to:
DB_HOST=127.0.0.1

It should be success when you try to run php artisan migrate again.