If you want like this blogging in moodle : http://moonreturn.com/vuniversity/blog/
1.logn as admin
2.Turn editing on

3.
Users
Authentication
Accounts
Browse list of users

4.click admin user
Click Edit

5.Click here blog

6.Add new entry with blog and remember here
Publish to (select this from drop down options)  Anyone in the world

7.Save and go to again admin home to
Appearance
Themes
Theme settings

Allow users to hide blocks uncheck

8. Security
Site policies
Blog Visibility (select this from drop down options) The world can read entries set to be world-accessible

9. Finally localhost/blog work is done.