Alex Juarez is a Principal Engineer at Rackspace, touting 11 years with the company. Alex enjoys all things open-source as well as training and mentoring others, and is incredibly qualified to do so as an RHCA/RHCI. Alex has spoken at a number regional and nationwide open source conferences sharing knowledge and encouraging people to learn more. When Alex isn't helping others he's studying for the cicerone exam and trying to find places to eat and things to see in San Antonio, TX.

Authored Content


Knowing how to control users' access to files is a fundamental system administration skill.
Gears connecting

Learn to create and configure a virtual machine and run post-deployment configuration with Vagrant.
Lightning in a bottle

Simple steps you can take to make your Linux system more secure.