Pages, aside from admin-side and the home page, read “500 Internal Server Error – nginx/1.1.19”.

nginx doesn’t use the .htaccess file for configuration. Have you checked the wordpress Codex for specific instructions for setup when using nginx instead of straight apache?

http://codex.wordpress.org/Nginx

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)