Markus Feilner eBooks

Install, configure, and administer your Scalix Collaboration Platform email and groupware server. This book is written for Linux administrators who wish to set up an email server for businesses or who wish to switch to Scalix from another email server. Scalix can be used very easily by beginners; however, advanced strategies and administrative tasks are difficult to learn and this book will help you master them all....

This book is a comprehensive guide to using OpenVPN for building both secure VPNs. The book is written in a very friendly style that makes this complex topic easy and a joy to read. It first covers basic VPN concepts, then moves to introduce basic OpenVPN configurations, before covering advanced uses of OpenVPN. This book is for both experienced and new OpenVPN users. Network administrators and any one who is interested in building secure VPNs using OpenVPN. It presumes basic knowledge of Linux, but no knowledge of VPNs is required. All basic VPN and relevant security concepts are covered....