[PDOException] SQLSTATE[HY000][1045] Access denied for user 'homestead'@'localhost'

In order to solve this problem just go to your laravel directory then open .env file, change it as shown below :

Then make sure that your database configuration has the same value with above .env file. So go to "config" open database.php then change it as follow :

[PDOException] SQLSTATE[HY000][2002] No connection could be made because the target machine actively refused it.

I just got that error while typing php artisan migrate as shown below :

Theen... I just remembered that I forgot to run my MySQL server heheheh... :D :D :D.... So just run it first then it should be good to go now... :-)