Time for action – logging in as a frontend content contributor

There's a user assigned to the Author group, there's Login Form to enable this user to enter the site—so why don't we try out how our Author logs in and submits content? The steps are as follows:

1. Navigate to the frontend of the site and use Login Form to log in as the new user (in this example, jvgogh).
2. In the right-hand column, User Menu appears. This is part of the Joomla installation when you've chosen to install the Learn Joomla! sample data, and it's set to be only visible when a user has logged in—that's why it turns up all of a sudden. User Menu provides links to functionality only available to registered users. For example, it allows an author to view and edit his or her user details. However, we're primarily interested in the possibility of entering new content, so let's click on the Submit an Article link. Now here's a surprise: the Joomla frontend turns...