Learning Nagios 3.0 is a comprehensive configuration guide to monitor and maintain your network and systems. http://www.packtpub.com/guide-for-learning-nagios-3/book
In this article directed at IT professionals, James Andrews discusses methods for installing Linux quickly onto many machines http://www.linuxplanet.com/linuxplanet/tutorials/986/1/
This is a detailed guide to kernel configuration, compilation, upgrades, and troubleshooting for ix86-based systems. http://www.linuxplanet.com/linuxplanet/tutorials/3196/1/
With all of the hub-bub about Linux in clusters, Linux on supercomputers, and the like, sometimes its nice to reflect on the basics a bit. http://www.linuxplanet.com/linuxplanet/tutorials/4232/1/
One of the biggest challanges that a new Linux user faces when they first install any distro is how to cope with this thing called partitioning. http://www.linuxplanet.com/linuxplanet/tutorials/4269/1/
How to install and configure Linux, Apache, MySQL, and PHP/Perl/Python (LAMP) combination. http://www.hostlibrary.com/LowcostloadbalancedLAMPcluster-kyiiip.html
The oldest and most secure way to manage a server is by using the Console or an SSH client and do all work through SSH. http://www.totalpenguin.com/content/view/28/40/