Here is how i run Laravel migration on my PC

Code:
boby@fwhlin:~/www/imagehostnow.com (master)$ php artisan migrate


                                                          
  [PDOException]                                          
  SQLSTATE[42000] [1049] Unknown database 'imagehostnow'  
                                                          


migrate [--bench[="..."]] [--database[="..."]] [--force] [--path[="..."]] [--package[="..."]] [--pretend] [--seed]


boby@fwhlin:~/www/imagehostnow.com (master)$ mysql 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 5.5.40-0ubuntu0.14.04.1 (Ubuntu)

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database imagehostnow;
Query OK, 1 row affected (0.00 sec)

mysql> Bye
boby@fwhlin:~/www/imagehostnow.com (master)$ php artisan migrate
Migration table created successfully.
Migrated: 2015_01_05_044852_create_table_users
Migrated: 2015_01_06_090738_create_table_images
Migrated: 2015_01_09_084809_add_type_in_images
Migrated: 2015_01_10_040524_add_default_image_privacy_in_users
Migrated: 2015_01_10_062030_create_settings
Migrated: 2015_01_13_053228_create_spam_reports
boby@fwhlin:~/www/imagehostnow.com (master)$
First when i run php artisan migrate, i get database not found error. I created a database, after that migrate command works properly.