It's easy to do, simply visit the Google Alerts home page, and in the box titled "Create A Google Alert" enter the following:
Create a Google Alert
How often: (select either: as-it-happens, once a day,once a week)
Your email: ENTER YOUR EMAIL ADDRESS
Then when Fred updates the webpage, you'll get an email with the posting title and a brief summary. To view the update simply click on the highlighted portion and it will take you to the web site.