Do whatever you like, install, change and remove files from the system, and no harm whatsoever. Your real system stays untouched. This may sound like magic, but is in reality just possible by combining some techniques from all those available for Linux.
Einrichten eines Fileservers für Windowsclients
das tutorial zeigt wie man lighttpd und php auf nem slug installieren und zum laufen bring
tutorial zum installieren von thttpd web server auf nem asus wireless linux router
access a remote daap share by tunneling over ssh
suite of tools for debugging and profiling Linux programs