Installing software on Linux is usually as simple as using a package manager (e.g., Synaptic or Ubuntu Software Center) to search appropriate software repositories and install the software packages you want. Any necessary configuration questions are asked by the package during the installation process. Further details on configuring a package manager to find SIL software is in the FieldWorks Installation Instructions.
However, some software needs additional setup, or isn't packaged. The following pages provide guidance for these cases: