The file without an extension is a binary installation program for 32bit x86 architecture machines. For many Linux servers this means you can simply turn on the execute bit for the file and then run the program to start the installation process.
That said, many administrators don't like running "unknown" binaries on their servers, and in that case you might consider using the zip file distribution of the FSR instead (which, despite the file type, is multi-platform). In this case you can simply unzip the file to a blank directory and configure as needed.
Cheers,
Peter