Monitor and manage administrator accounts on UNIX, Linux and MS Windows systems using Privileged User Manager ®, the lowest cost commercial solution available

Linux Server Management, Web Server Management, Plesk, cPanel, Consulting and Administration

Horizon Network Security specializes in inexpensive and effective mixed-platform Network Security using Linux-based solutions. Network security services and products include: Firewalls, Network Monitoring, Virus and Spam Filtering, Network Security Audits and Disaster Recovery and Planning. Horizon Network Security provides low-cost, reliable, Linux based Network security system. We wrote the book on Linux and network security, Real World Linux Security by Bob Toxen, published by Prentice Hall PTR.

On-line Linux and Open Source Technology Books and How To Guides

Novell is a leading provider of infrastructure software. Our vision is helping people and technology to work as one. Our mission is to help customers reduce the cost, complexity and risk of computing on any platform.

Qualys, Inc. provides on demand vulnerability management and policy compliance solutions help organizations secure their networks & conduct automated audits to achieve & maintain compliance.

Comprehensive information and resources about the Linux Operating System.