Disable the Guest User Account at Mac OS X Lion Login Screen

If you’ve installed a modern version of OS X and rebooted or ended up at the lock screen, you may have noticed that a new “Guest User” account appears at the login screen.
This is not a full guest user account, if you select the Guest User option at login, the Mac will restart to a secured Safari-only version of the OS with access to the internet. So what’s the point of this? It turns out this is part of setting up iCloud in Mac OS X, specifically the “Find My Mac” feature. The Safari Guest User allows someone to get online so the Mac can be located, but prevents the Safari user from accessing your files and applications.
We’re going to highly recommend keeping the Guest User Safari account enabled so that if you happen to lose your Mac, or if it’s stolen, it could easily be tracked down. Nonetheless, here’s how to turn this off if you don’t need it for some reason.
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iOS 5 can already be jailbroken thanks to the iPhone Dev Team’s quick release of a new version of redsn0w (0.9.9b7). This is currently a 
A fair amount of users have ran into “Error 3002” and “Error 3200” during the iOS update process with iTunes. It’s not entirely clear what’s causing this, but we have provided a solution that should work for both Mac and Windows users to resolve the error message so that you can update your iPhone, iPad, or iPod touch as intended.
Apple has rolled out iCloud, the cloud syncing service that automatically syncs all your content to all of your devices, be it an iPhone, iPod touch, Mac, PC, iPad, whatever. It also includes things like Find My iPhone and Find My Mac, in addition to several web apps that let you get your Mail, Contacts, and Calendar while on the go, via any web browser. It’s an awesome service, it’s free, and you don’t want to miss it. Here’s how to set it up from any iPhone, iPad, or Mac:














