Steps to create free Wordpress blog:
- Sign up for OpenShift.
- Go to create application and select Wordpress.
- Pick your general public name and app name and then click "create application".
- After the app is created, you will be able to log in to it with:
Make sure to immediately change your password from the Wordpress control panel! (Users>Your Profile>New Password)
To setup the Wordpress blog with your own domain, see these instructions on the OpenShift blog.