The view for PostsController::index() was not found.

I m beginner to cakephp..i just followed the instructions for blog tutorial on the official site
no i m facing an error
The view for PostsController::index() was not found.

Confirm you have created the file: Posts/index.ctp in one of the following paths:

• /var/www/html/cake/app/View/Posts/index.ctp

Notice: If you want to customize this error message, create app/View/Errors/missing_view.ctp

Stack Trace

• CORE/Cake/View/View.php line 470 → View->_getViewFileName(null)
• CORE/Cake/Controller/Controller.php line 959 → View->render(null, null)
• CORE/Cake/Routing/Dispatcher.php line 200 → Controller->render()
• CORE/Cake/Routing/Dispatcher.php line 167 → Dispatcher->_invoke(PostsController, CakeRequest)
• APP/webroot/index.php line 118 → Dispatcher->dispatch(CakeRequest, CakeResponse)

is a screenshot for my directory structure

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