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Setting up a secure RedHat Linux 6.2 server
Setting up a secure server using RedHat Linux and LinuxFromScratch.
www.fiveanddime.net/

Server optimized Linux diagnosis
Diskless Linux-distribution, which was designed for diagnosis and rescue of almost any operating system that runs on i686-based hardware.
www.sol-linux.com/

Linux Virtual Server Project
A virtual server is a highly scalable and highly available server built on a cluster of real servers. The architecture of the cluster is transparent to end users, and the users see only a single virtual server.
www.linuxvirtualserver.org/

Sharing a Linux server under X in the classroom
Sharing a Linux server under X in the classroom
www.linuxgazette.com/

Cistron RADIUS server
A free server implementation. Downloads and support are still available, but new development is part of the FreeRADIUS product.
www.radius.cistron.nl/

Linux Dialin Server Setup Guide
guide to setting up a Linux ppp/slip dialin server
www.swcp.com/

Linux NIS(YP) Server and Tools
The Network Information Service (NIS) provides a simple network lookup service consisting of databases and processes. It was formerly known as Sun Yellow Pages (YP).
www.suse.de/

Linux Terminal Server Project
Documentation and installation scripts to make a Linux cluster of thin clients in an educational environment.
www.ltsp.org/

CNET- Server sellers bang Linux drum
With the exception of Microsoft, most of the computing industry's largest companies now actively support Linux.
news.com.com/

Bayonne - Telephony Server of the GNU Project
Bayonne is the free multi-line telephony server of the GNU project. Source code available for LINUX/UNIX targeted towards messaging, IVR with considerable extensibility. Bayonne supports a modular architecture, native scripting and TGI.
bayonne.sourceforge.net/