Contact
Sovereign Systems // Thomas Kaltenstein
Ziehrerstraße 21b
4020 Linz
Austria, Europe
Email: tom@sovereign-systems.eu
Phone: +43 660 266 3967
Web: www.sovereign-systems.eu
VAT Number: ATU62389613
Welcome to Sovereign Systems.
I am an open-source evangelist with 10+ years experience
specialising in Linux system administration, web hosting and programming with a particular focus on web security.