USB Server can be installed on the computer with Linux OS. Kernel should be of 2.6.15 version and higher. All necessary installation instructions you can find here.
To connect shared USB devices on Terminal Server you need to install RDP Client. Popular open source project rdesktop v1.6 or higher can be such Client.
After USB Server for Linux RDP and rdesktop installation you need to apply special path, that you can find at Usb Server distributive in the folder rdesktop-1.6.0-path
The following actions are:
1. Copy usbrdr.c and usbrdr.patch to rdesktop-1.6.0 source code directory;
2. Run patch -p3 -i usbrdr.patch;
3. Compile and install rdesktop
4. Start rdesktop with '-r usbrdr' option