I've spoken before (several times actually) about Pantheon, a high performance web host. They're an amazing platform with many awesome features, but one lacking feature is an easy way to do local development. Kalabox 2 promises to change this, but as we went to press Pantheon integration wasn't working yet. The good news: there's an easy way to do this.
Selenium Webdriver is an automated testing platform for web pages. It may not be the easiest or the most user-friendly, and it definitely requires a lot of coding, but it's the most powerful and works with any website. Even better, it "drives" a real web browser and simulates real clicks, so you're getting a real UI test, not just a URL test.
It's good stuff, but it's also arcane. That's why I'm putting together this handy cheat sheet. Expect it to change over time.
I was recently talking with the fine folks at UCSF.edu and they mentioned that they do updates of giant Drupal multisites. I asked them how they manage that. The answer: a script! So of course I wanted one too.
Here are my steps: