Hit Submit From there, you'll be able to get a detailed history of your wireless data usage. If you're an iPhone user, you can simply grab AT&T's myWireless Mobile app from the App Store.

Learn how easy it is to install a wide-ranging load monitor to Ubuntu Server so you look out for bottlenecks and other issues.

You can easily keep tabs on what's running on your Mac and get things running smoothly by using Apple's Activity Monitor. Here's how to get started.