Linux is only as secure as you make it.

If your old laptop needs a little more pep in its step, there’s an easy fix most people overlook: the performance settings. These settings reside in most laptops, usually via a preinstalled utility.

Before you splurge on a shiny, new laptop, you may want to consider giving your current system some TLC. There's a lot you can do to take better care of that old laptop and stretch its lifespan as ...