CakePHP no linux

Olá, estou com problema cakephp no Linux, ele não está puxando a classe css em home, quando eu digito localhost/cake ele fica bem.

Release Notes for CakePHP 1.3.7.

Read the changelog

Notice (1024): Please change the value of 'Security.salt' in app/config/core.php to a salt value specific to your application [CORE/cake/libs/debugger.php, line 684]

Notice (1024): Please change the value of 'Security.cipherSeed' in app/config/core.php to a numeric (digits only) seed value specific to your application [CORE/cake/libs/debugger.php, line 688]

Your tmp directory is writable.

The FileEngine is being used for caching. To change the config edit APP/config/core.php

Your database configuration file is present.

Fatal error: Call to a member function isConnected() on a non-object in /var/www/cakephp-1.3.7/cake/libs/view/pages/home.ctp on line 94 Call Stack: 0.0180 338032 1. {main}() /var/www/cakephp-1.3.7/index.php:0 0.0436 361092 2. require('/var/www/cakephp-1.3.7/app/webroot/index.php') /var/www/cakephp-1.3.7/index.php:55 0.6386 3581012 3. Dispatcher->dispatch() /var/www/cakephp-1.3.7/app/webroot/index.php:83 0.6750 3675784 4. Dispatcher->_invoke() /var/www/cakephp-1.3.7/cake/dispatcher.php:171 0.7176 3964988 5. call_user_func_array() /var/www/cakephp-1.3.7/cake/dispatcher.php:204 0.7176 3965284 6. PagesController->display() /var/www/cakephp-1.3.7/cake/dispatcher.php:0 0.7178 3966872 7. Controller->render() /var/www/cakephp-1.3.7/cake/libs/controller/pages_controller.php:83 0.7182 3972052 8. View->render() /var/www/cakephp-1.3.7/cake/libs/controller/controller.php:909 0.7185 3972784 9. View->_render() /var/www/cakephp-1.3.7/cake/libs/view/view.php:426 0.7830 4905536 10. include('/var/www/cakephp-1.3.7/cake/libs/view/pages/home.ctp') /var/www/cakephp-1.3.7/cake/libs/view/view.php:731

Se alguem puder me ajudar fico grato.