Debug a web page error from the command line: 
Sometimes when managing a website, things can get messed up. You might remove some stale content and replace it with a redirect to other pages. Later, after making other changes, you find some web pages become entirely inaccessible. You might see an error in your browser that “The page isn’t redirecting properly” with a suggestion to check your cookies.
read more: Opensource.com Jim Hall
Supporting Open Source.
Have you tried: Diving with Sharks?