When you add a new post to your lab blog, make sure to have the parameters set as follows:
Section: Lab blog
Category: Your name’s lab blog
Show on Front Page: No
The rest of the configuration is up to you.
To make changes to a lab blog entry, click on the icon to the left of the entry title. (Make sure you are logged in order to see the icon).
Have fun adding content to the lab blog. 🙂