LPI Exam Training: Administrative Tasks
Prepare for your Linux certification or build fundamental skills on Linux systems administration. In this sixth installment from a series of nine tutorials on exam 102 topics, you will know how to manage users and groups set user profiles and environments, use log files, schedule jobs, back up your data, and maintain the system time.

Controlling Access to Your Services with xinetd
One of the most powerful aspects of Linux is its ability to launch services, or daemons, and run them in the background as needed. But running all of these background services can be an administrative headache when you take into account user access and permissions, too. Dee-Ann LeBlanc walks readers through the basics of xinetd, a tool that lets you securely and effectively lock down services on your Linux machine.