Im planning run file hosting site like megaupload on my un-managed dedicated server, but im worry if trojan/virus were upload and mess my server... since i use that server, i just use it like i use my shared server, never install, update and or reboot it... so...did i need to install antivirus or virus scanner on my dedicated server if i wish to run that kind of site? (File Hosting) is't easy to install application on it? Thanks