Linux is everywhere — and you probably don't even realize it. Linux-powered systems chase down every Google search, assist in every Facebook post and serve as the foundation for every Android device on the market.

Linux expertise is a sneaky-subtle skill that gets a savvy employer's attention…and you'll have a certification to prove your mastery with this Linux/UNIX Certification Training Bundle on sale now for just $49 (97% off) in the TechnoBuffalo Deals Store.

Linux's open source origins, collaborative culture and remarkable versatility keep Linux programmers in high demand. Through readings, multimedia presentations, testing and even collaboration with other students, this pair of courses will take you through everything it takes to install, configure and manage a Linux/UNIX server.

You'll also learn how to administer storage and file system options as well as troubleshoot problem areas Linux pros could face.

By the time you're done, you'll have all the know-how you need to take and pass the CompTIA Linux+ and the Novell Certified Linux Professional certification exams, two key benchmarks of a Linux admin's knowledge and value to an employer.

With this limited time deal, you can get this instruction package that usually costs almost $2,200 for only $49.