For this reason, the developers are currently working hard on integrating Windows clients. Of course, deployment in this kind of environment necessitates operations in a heterogeneous operating system landscape. Physical Linux clients can now log on to the Linux4Afrika LDAP server packages from the standard repository allow for this with just a few configuration changes. Additional authentication tasks occur here in daily operations. LDAP integration is a very good solution for extending our project from schools to universities. "The new X2Go version of the Linux4-Afrika sample server has put the association in a position to support networks larger than the typical classroom solution. Hans-Peter Merkel, one of the project's leaders explains the move: In Spring 2008, the Linux4Afrika project, by the Freiburg, Germany-based NGO, moved from Edubuntu to X2Go. PAM libraries add smartcard support and USB stick-based authentication to X2Go ( Figure 1). The developers integrated tools such as PXE boot and Debootstrap, NoMachine's free NX libraries, and tools like FUSE and SSHFS with desktop utilities and extensions for Gnome and KDE. Thanks to an intelligent combination of GPL'd software and their own developments, the team came up with a convincing answer: X2Go. Oleksandr Shneyder and Heinz Gräsing, system administrators with the City of Treuchtlingen, Germany, spent much of their leisure time developing a free terminal server that supported laptops and arbitrary clients, in contrast to Sun's model. Of course, Linux users were very much interested in a similar all-round system that, in contrast to Sun Ray, did not rely on special hardware, and it was just a question of time until the open source community delivered the goods. If A then inserts his smartcard into the reader on any other machine, the server immediately offers him the interrupted session. When user A removes his chip card from the internal card reader, the software automatically interrupts the session, freeing up the thin client for the next user. In addition to the multimedia extras and security features integrated into the Sun Ray products, a session management system, dubbed "Hot Desktop Mobility" or "Hot Desking" by Sun, was probably the sexiest feature. The second Sun Ray release included lean devices that lets users log on using a smartcard to work on a centralized terminal server. The X2Go project was inspired by the Sun Ray product line, which has impressed thin client fans since 2006. X2Go is a free, fast, and flexible terminal server for any client that supports modern authentication technologies, such as card readers, USB tokens, centralized user management via LDAP, and authentication tools integrated in the KDE system management system.
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